. . . . . . . . . . . . Overview n Range 16 n Standards & Approvals 18 n Structure & Features 19 n Marking & Configuration 20 n Trip Units 21 n Accessories 22 . Specially designed and developed for extreme tropical conditions. caters to the ever-evolving needs of customers. unfailingly.Range 16 D DN4 DN3 DN2 DN1 DN0 State-of-the-art design. complemented by a host of accessories. Because we understand our customers' requirements and demands. the dsine range delivers comprehensive solutions to customer applications ensuring operational safety. reliability and versatility. aesthetics and compactness. Moreover. . dsine. it belongs to a new generation of MCCBs. derived after in-depth analysis and customer feedback. our contemporary range of MCCBs never fall short of ensuring complete customer satisfaction. user-friendly features and a wide spectrum of protection releases form the hallmarks of the dsine range. it promises reliable performance at high ambient and humid environment. Also recognised for its ergonomics. 630A 400. 160. 200. Rotary or Motorised versions Wide range of Internal and External accessories Rated Current Release Rated Current Release Rated Current Release Rated Current Release Rated Current Release DN0 20. 250A 40. 250A Thermal-Magnetic DN2 63. 125. 25. 160. 63. 250A Microprocessor Thermal-Magnetic DN3 320. 125. 500. 400. 100A Thermal-Magnetic DN1 100. 80. 160. 80. 100. 50.Range 17 Features Æ Æ Æ Æ Æ Æ Æ Æ Range available from 20A to 1250A Available in 3 pole & 4 pole Range of 25kA / 36kA / 50kA / 70kA breaking capacities Microprocessor and Thermal-Magnetic based protection releases MCCBs for Motor backup protection MCCBs for Distribution and SD versions Manual. 100. 1000. 32. 630A Microprocessor Thermal-Magnetic DN4 800. 200. 63. 1250A Microprocessor Breaking Capacities (Icu) . 40. calibration or medical laboratory for a specific task following ISO/IEC 17025:2005 Standard. L&T’s Switchgear Testing Lab is NABL accredited subject to continued satisfactory compliance to above standard & additional requirements of NABL. within their scope of adherence. EN 60947-2. Part 3: Switches. . IECEE CB SCHEME – DEKRA (KEMA) certified The IECEE CB SCHEME is a multilateral agreement among participating countries and certification organizations. L&T’s dsine range of MCCBs are certified for IECEE CB scheme by DEKRA (KEMA) which is a world renowned organisation with a heritage of 150 years in testing. IS/IEC 60947-2 Low-voltage switchgear and controlgear. IS/IEC 60947-1 Low-voltage switchgear and controlgear. Accredited laboratories have the responsibility of satisfying the criteria of laboratory accreditation at all times. in the countries where the accepted NCBs are located. All dsine range of MCCBs are tested in L&T's NABL accredited Switchgear Testing Lab. The manufacturer or their authorized representative established in the EEA is responsible for affixing the CE marking to their product. EN 60947-1. EN 60947-4. marking A CE marking is a European marking of conformity that indicates a product complies with the essential requirements of the applicable European laws or directives with respect to safety. Part 2: Circuit-breakers • IEC 60947-3. which are verified during Surveillance and Reassessment visits by NABL. provided if it is used in the application for which it is made and is installed and maintained in accordance with professional practices with relevant installation standards and operating instructions. The CE marking provides a means for a manufacturer to demonstrate that a product complies with a common set of laws required by all countries in the EEA to allow free movement of trade within the EEA countries. L&T’s dsine range of MCCBs conform to the Low voltage directive 73/23/EEC as amended by directive 93/68/EEC. EN 60947-3. switch-disconnectors and fuse combination units • IEC 60947-4. Generally.18 Standards & Approvals range of MCCBs and Accessories comply with following international standards • IEC 60947-1. IS/IEC 60947-4 Low-voltage switchgear and controlgear. this conformity to the applicable directives is done through self-declaration and is required on products in the countries of the European Economic Area (EEA) to facilitate trade among the member countries. health and environment and consumer protection. A manufacturer utilizing a CB test certificate issued by one of the accepted National Certification Bodies (NCBs) can obtain certification marks of the latter. Part 4: Contactors and Motor-starters Third party certificates (ERDA/CPRI) available for dsine range of MCCBs NABL NABL accreditation is a formal recognition of the technical competence of testing. disconnectors. inspections & certification. risk management and verification. Part 1: General Rules • IEC 60947-2. Further the accredited laboratories should prove their technical competence by satisfactory participation in recognized Proficiency Testing Programmes. IS/IEC 60947-3 Low-voltage switchgear and controlgear. quick break & trip free mechanism The unique speed contact system with current limiting feature accelerates the opening of contacts during short circuit resulting in very low let through energy Positive Isolation Knob Indicates the true position of the contacts .ensures operator safety • Designed for better grip No Load Line Bias Release Either side of MCCB terminals can be used as load or line Thermal & Microprocessor based releases are available MCCB Mechanism • Indicates "ON" "OFF" "TRIP" position of MCCB .Structure & Features 19 Low Watt Loss The entire current carrying path is optimally designed to achieve low watt loss Silver contacts offer low contact resistance thus helping in low watt loss Arc Chutes Arc chutes are designed for efficient and faster arc quenching Current Limiting MCCBs Quick make. Marking & Configuration 20 Terminal Connections Standard Characteristics } } } } Uimp: Impulse withstand voltage Ue: Rated operational voltage Icu: Rated Ultimate breaking capacity Ics: Rated Service breaking capacity Standards Indication of Closed (I/ON) Utilization Category Brand Frame Size Symbol of suitability for Isolation Mark Company Logo Operating Knob Indication of Open (O/OFF) Release Release Settings Current Rating of MCCB "Push to Trip" button Release name Terminal Shroud . 0 with LSING + Current Metering (DN2. DN3) MTX1. DN3 Magnetic Protection only) Magnetic Release In 630 A DN3-M Switch Disconnector (DN2. DN3. DN3α) Thermal Magnetic Releases Variable Thermal. Variable Magnetic (DN2. DN4) Inst Motor Protection Release (DN0. DN4) Inst MTX2.Trip Units 21 Variable Thermal. DN1. DN3. DN3. DN2. DN4) Isolator . DN3.0 with LSING + Communication capable + Power Metering (DN2.0 with LSI (DN2. Fixed Magnetic (DN0. DN4) Microprocessor Releases MTX3. Accessories 22 1 Spreader Terminals 2 Phase Barriers 3 Undervoltage Release 4 Shunt Release 5 Auxiliary Contact 6 Trip Alarm Contact 7 Auxiliary + Trip Alarm Contact 8 Direct Rotary Handle 9 Extended Rotary Handle 10 Panel Mounted Keylock 11 Stored Energy Electrically Operated Mechanism 12 Mechanical Interlock Kit 13 Communication Module 14 Voltage Module 15 Display Module 16 External Neutral CT (with Adaptor Kit) 12 16 4 3 1 2 8 . 23 2 1 15 14 13 5 7 6 10 9 11 . . Product Data n MCCBs for Power Distribution } Technical Datasheet } Protection Releases 26 n MCCBs for Different Applications } Motor Protection Application } Isolator Application } DC Application 40 } Auto Source Transfer Application . 1 0. separate cable required for connection # : Only Extended ROM available Note: • Any two internal accessories can be mounted at a time • Separate earth fault module required for earth fault protection using TM releases • Icu: Rated ultimate short-circuit breaking capacity Ics: Rated service short-circuit breaking capacity • Reference Temperature 40oC D TM 250 A DN1-250 N TM 100. 100 3/4 6 600 690 A 40 25 10 8 5 100% 30000 4000 65 50 10 8 5 50% 10000 3000 65 36 10 8 5 50% 30000 4000 75 x 60 x 130 100 x 60 x 130 0.8 / 1. 32. 63. 160.0 In Operating Frequency (Hz) Total Opening Time Finger-proof Terminals Suitable for Isolation IP Protection Pollution Degree Load Line Bias Ambient Temperature Storage Temperature Mounting Positions in Vertical Plane 3-Pole Dimensions (WxDxH) mm 4-Pole Weight (kg) (3/4 Pole) Auxiliary Contact Trip Alarm Contact INTERNAL Auxiliary & Trip Alarm Contact A C Shunt Release C Under Voltage Release E Rotary Operating Mechanism (Direct/Extended) S S Electrical Operating Mechanism O Mechanical Interlock Kit R Spreader Terminals I EXTERNAL E Key Lock S Neutral CT with Adaptor Kit Current Metering Module Display. 125.MCCBs for Power Distribution 26 Technical Datasheet 100A DN0-100 Frame Type C Release Current Range (A) Poles Impulse Withstand Voltage Uimp (kV) Rated Operational Voltage Ue (V) (MAX) Rated Insulation Voltage Ui (V) Utilization Category Standard 240 Vac 415 Vac Rated 500 Vac Short Icu(kA) Circuit 550 Vac Breaking 600 Vac Capacity 690 Vac Ics as % Icu Mechanical Life Electrical @1. 50. 200. 250 3/4 6 600 690 A 105 x 60 x 165 140 x 60 x 165 1.8 1 C / O or 2 C / O 240 / 415 Vac 50 Hz ü û û ü ü û û û ü û û ü ü û û û . Communication and Voltage Module 20.73 / 1 $ : ‘NO’ of control contactor to be connected in series for 220V DC application * : Contains display module & metering module.45 / 1. 25. 40. 80. 0 & MTX3. 100.5 x 111.0/3. 63.0/2.0 release for current metering only* Available for MTX3.0/3.5 / 3. IEC 60947-2.0) 40.0 release only Available for MTX2.0) 800/1000/1250A DN4-1250 S N MP (MTX1. 400 500. 400 320.3 4/5 6 / 7.5 x 266 184 x 111 x 205 183.5 / 7. 1000. 160.27 250A DN2-250 S N D TM/MP (MTX1.0) 320. 630 800. 250 3/4 8 690 750 A DN3α-400 D TM 400/630A DN3-400 S N D TM/MP (MTX1. 1250 3/4 3/4 3/4 8 8 8 690 690 690 750 750 750 A A A IS/IEC 60947-2. 200.5 x 266 140 x 96 x 179 183. 125.2 1 C / O or 2 C / O 1C/O 1C/O+1C/O 110 / 415 Vac 50 Hz.0/2.0) DN3-630 S N D TM/MP (MTX1.0/2.0/3. 110 / 220 Vdc $ 240 Vac 50Hz ü ü ü û ü ü û ü ü ü ü ü ü ü Available for 3P MCCBs with MTX2.0 release for Communication & Power metering 3/4 8 690 750 A 100 70 36 25 20 18 100% 70 50 25 20 16 10 100% 8000 750 <20msec 210 x 143 x 370 278 x 143 x 370 16 / 20 ü # û û ü ü .0/3.5 x 266 105 x 96 x 179 140 x 111.5 x 111.8 5. 80.0/2.5 x 266 2. EN 60947-2 100 70 50 100 70 50 50 100 70 50 70 50 36 70 50 36 36 70 50 36 42 36 25 42 36 25 25 42 36 25 25 20 15 25 20 15 15 36 25 18 22 18 12 22 18 12 12 22 18 16 15 10 8 20 15 8 8 20 15 10 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 10000 15000 25000 15000 4000 4000 10000 4000 50 / 60 <10msec Yes Yes IP40 III No -5OC to 55OC -35OC to 70OC Vertical and 90 O in both directions 140 x 111 x 205 140 x 111. Curves: 6Ir@10s. 2.100%In 80% .10In 9In (fixed) Earth fault External GF Module required* Microprocessor Release Features of MTX1. tr(Inverse) 10s at 6Ir .0 Rated Current. 10s at 7. ts Instantaneous / 100ms Protection mode ON / OFF Note: • Factory Settings . S/C: 5.0 Æ Overload Protection with inverse time delay Æ Adjustable Trip class Æ Short Circuit Protection with selectable time delay Æ Provision of Thermal memory defeat Æ Port for release testing Æ Power ON LED Æ Self powered Æ True RMS sensing Æ “Push to Trip” button MTX1. 5. In From 40 to 1250A Overload (Phase) Current setting.MCCBs for Power Distribution 28 Thermal-Magnetic Release Features of Thermal-Magnetic Release Æ Adjustable overload settings Æ Fixed / Adjustable short circuit settings Æ True RMS sensing Æ “Push to Trip” button Settings Protection Overload Short Circuit DN0 & DN1 DN2 & DN3 DN3α 80% . 3s at 7.100%In 80% .5. 6.5Ir @ Instantaneous • Release provides in-built instantaneous override protection fixed @ 10In * Refer page 51 . 3s at 6Ir . Ir (Ir = x In) 40% to 100%In in steps of 5% Time delay.5.100%In 9In (fixed) 6 . Thermal Memory: Off. 4.0. Is (Is = x Ir) 1.2Ir Protection mode ON / OFF Thermal memory Enable / Disable Short Circuit Current setting.5.0Ir Time delay.5.O/L: 100%In.2Ir . 8. 3s at 6Ir .5.0 Æ Overload Protection with inverse time delay Æ Adjustable Trip class Æ Short Circuit Protection with selectable time delay Æ Inbuilt Earth fault and Neutral overload protection Æ Provision of Thermal memory defeat Æ Port for release testing Æ Power on LED Æ Panel mounted O-LED display for Current metering Æ Self powered Æ True RMS sensing Æ “Push to Trip” button MTX2. 10s at 7.2Ir . In From 40 to 1250A Overload (Phase) Current setting.0.0 Rated Current. tg 100ms / 200ms Protection mode ON / OFF Note: • Factory Settings . S/C: 5. Ir (Ir = x In) 40% to 100%In in steps of 5% Time delay. 100% and 150%Ir Time delay. 4. 3s at 7. IN (IN= x Ir) 50%.0Ir Time delay. Thermal Memory: Off. Is (Is = x Ir) 1.2Ir Protection mode ON / OFF Thermal memory Enable / Disable Overload (Neutral) Current setting. tr(Inverse) 10s at 6Ir .5. E/F: Off. Neutral: Off. 6. ts Instantaneous / 100ms Protection mode ON / OFF Earth Fault Current setting.O/L: 100%In.5Ir @ Instantaneous. 5.5. 2.5. • Release provides in-built instantaneous override protection fixed @ 10In .MCCBs for Power Distribution 29 Microprocessor Release Features of MTX2. Curves: 6Ir@10s. 8. Ig (Ig = x In) 20% to 50%In in steps of 10% Time delay. tN 200ms / Same as overload Protection mode ON / OFF Short Circuit Current setting. Metering Module Æ Port with Polarized Connector MTX2. thus avoiding unnecessary errors. saves more energy.MCCBs for Power Distribution 30 Advanced features of MTX2. Æ O-LED Display O-LED display allows the operator a wide viewing angle O-LEDs showing current metering has got faster response time and also consumes less power. It has better contrast ratio also.0 release with metering port is implemented with pokayoke technology using polarized connector to ensure correct insertion of metering harness.0 Æ Panel Mounted Display for Current Metering System currents & latest trip record can be viewed with panel door closed. Æ Digital Current Metering MTX releases are designed with protection class CTs which measure true RMS values. Display Module . Inbuilt current metering does not require separate CTs hence maintenance is no more tedious. please refer page no.MCCBs for Power Distribution 31 Inst 3s Æ @7. Æ Thermal Memory 2 Thermal memory protects the system from thermal stresses generated by cumulative heating caused by cyclic overload conditions thus allowing the system to return to a safe operating temperature. % of Ir 30% 85% 115% Æ Overload LED indication Green LED Faster blinking of green LED Sequential ON/OFF of green LED Self Powered MTX releases do not need any external power supply hence require no extra devices and wires to power up. Æ DIP Switches DIP switches are provided on front side of the release for easy operations.2Ir 10s 2 @6Ir 4 1 3 Inbuilt Earth Fault Protection 1 Inbuilt earth fault protection function does not require any separate trip coil & external CBCT. Æ Precise Selection of Parameters Overload & short circuit settings with minimum step change helps to maintain balance between nuisance tripping and optimal protection resulting in high continuity of service and reduced call back periods. offering high life. MTX release can be adapted to specific requirements of OEM or end-user. This function also allows an optimization of cables or bus bar protection in case of low amplitude repetitive faults. Æ Overload Indication 4 Improves uptime and productivity by setting alarms for unbalanced loads so that proactive measures can be taken to avoid overload conditions. Note: For wiring diagram. Advance tripping increases the overall life and eliminates the production downtime incase of severe faults. These switches give you quicker option to precisely change selection. thus saving panel space. Æ Multiple Trip Class 3 Enhances adjustability for better enhanced coordination with other devices to achieve correct motor switching and ensures protection of the starter elements in order to guarantee the plant safety. Earth fault protection limits expenses by preventing damage to other equipment. cost & improving the overall hygiene. 62 . 5 4.4 q r r r r r r r r r 80% q q 60% 0. (Is = x Ir) 8.4 r Bypass r q r Setting r r r q 0.4 0.4 0.4 0.2Ir Overload Protection. (Ir = x In) @6Ir Various Protection Settings Inst 32 .4 r q q 55% 0.5 Inst Inst Inst Inst Inst DIP Switch Position Inst Short Circuit Setting.4 r 0.4 0.5 2.2Ir Setting Bypass 1.4 r q 0.4 0.0 r r q r r r 0.4 r DIP Switch Position 10s @ 7.4 0.4 DIP Switch Position @7.4 r 0.5 6.2Ir q r q r r r q 0.4 Inst 3s 10s 0.0 5.4 r r r q 50% 0.4 q Bypass r r q Setting r r DIP Switch Position ON Overload Curves Setting 3s @ 6Ir 10s @ 6Ir r r q 3s @ 7.4 r 90% q 65% 0.MCCBs for Power Distribution Setting 70% 75% 85% 95% q 100% Thermal Memory 0.4 0.4 DIP Switch Position 45% q r 40% q 0. 0 Ir * 0.5 1.5 1.5 1.2 0.5 1.2 Bypass 20% 30% 40% 50% Ir * Ir * Time Delay for Earth Fault Protection DIP Switch Position Setting 0.2 0.0 DIP Switch Position 50% 100% Time Delay for Neutral Protection Setting 200ms Ir * 0.0 0. (Ig= x In) DIP Switch Position Setting 0.2 0. (IN = x Ir) 150% .0 Neutral Setting.5 1.2 100ms 200ms Setting Bypass Ir * 0.0 Ir * 0.2 0.2 0.0 DIP Switch Position Follows O/L Curve 0.5 1.MCCBs for Power Distribution 33 Time Delay for Short Circuit Protection Setting Instantaneous Inst Inst DIP Switch Position 100ms Earth Fault Setting. 1* 100ms. LI-VI based over load curves Short Circuit Protection with selectable time delay Instantaneous protection with fine settings Advanced current and voltage based protection function Protection against current unbalance and single phasing Comprehensive current.1s* ON / OFF 50% to 90%Ir in steps of 1%* Enable/Disable Overload (Neutral) Current setting.1* ON / OFF 50% to 90% Ii in steps of 1%* 10% to 50% In in steps of 5%* 100ms to 500ms in steps of 50ms* ON / OFF * Can be set using display module Note: • Factory Settings . I (I = x Ir) Time delay. 300ms. S/C: 5. Neutral: Off. 200ms. Thermal Memory: Off.0 Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Æ Overload Protection with inverse time delay 2 4 I t. Curves:
[email protected] to 8 In in steps of 0. 400ms* ON / OFF 50% to 90%Is in steps of 1%* 1. In MTX3. ts Protection mode Preset trip alarm setting Current setting.0 From 40 to 1250A Overload (Phase) Current setting. tg Protection mode Short Circuit Instantaneous Earth Fault 1.5Ir @ Instantaneous.MCCBs for Power Distribution 34 Microprocessor Release Features of MTX3. Is(Is = x Ir) Time delay. O/L: 100%In.5s to 30s in steps of 0. Ig (Ig = x In) Time delay.2s / same as overload ON / OFF N Current setting. I t.5 to 8Ir in steps of 0. Ir(Ir = x In) Time delay. • Release provides in-built instantaneous override protection fixed @ 10In .Address:0000. Ii (Ii = x In) Protection mode Preset trip alarm setting Current setting. tr(Inverse) Protection mode Preset trip alarm setting Thermal memory 40% to 100% In in steps of 1%* 0. SI. tN Protection mode N 50% to 150%Ir in steps of 1%* 0. E/F: Off. power and energy metering Inbuilt Earth fault and Neutral overload protection Provision of Thermal memory defeat Panel mounted O-LED display MODBUS RTU & Bluetooth protocol Wireless metering and communication through Bluetooth True RMS sensing Power on LED “Push to Trip” button Self powered Rated Current. 1 to 30 in steps of 0.1 ON / OFF Protection Mode Preset Trip Alarm setting 50 to 90% of set value in steps of 1% Residual Voltage Voltage setting (V) 5 to 40%Un in steps of 1% Time delay (s) 0.0 in steps of 0.5 to 60 in steps of 0.5 0.1 ON / OFF 50 to 90% of set freq in steps of 1% Frequency setting (Hz) Time delay (s) Protection Mode Preset Trip Alarm setting Over Frequency Frequency setting (Hz) Time delay (s) Protection Mode Preset Trip Alarm setting F+0.5 0.1 ON / OFF 50 to 90% of set value in steps of 1% Current setting (A) Time delay (s) Protection Mode Preset Trip Alarm setting Voltage Protection Under Voltage Voltage setting (V) Vuv (Vuv = x Un ) Time delay (s) Protection Mode Preset Trip Alarm setting 45 to 80%Un in steps of 1% 0.1 ON / OFF Protection Mode Preset Trip Alarm setting 50 to 90%Vov in steps of 1% Voltage Unbalance Voltage setting (V) 5 to 20%Un in steps of 1% Time delay (s) 0.0 in steps of 0.5 to 60 in steps of 0.1 ON / OFF 110 to 150%Vuv in steps of 1% Over Voltage Voltage setting (V) Vov (Vov = x Un ) 105 to 150%Un in steps of 1% Time delay (s) 0.5 to 60 in steps of 0.5 to 60 in steps of 0.MCCBs for Power Distribution 35 MTX3.5 to 60 in steps of 0.1 ON / OFF Protection Mode Preset Trip Alarm setting 50 to 90% of set value in steps of 1% Frequency Protection Under Frequency F-0.1 ON / OFF 50 to 90% of set freq in steps of 1% .0 Additional features with Display Module Current Protection Under Current Current setting (A) Iui (Iui = x Ir ) Time delay (s) Protection Mode Preset Trip Alarm setting 20 to 85%Ir in steps of 1% 1 to 255 in steps of 1 ON / OFF 110% to 150%Iui in steps of 1% Current Unbalance 30 to 90%Ir in steps of 1% 0.1 to 30 in steps of 0.5 to F-5.5 to F+5. 5 ON / OFF 50 to 90%PR in steps of 1% Lead Pf Pf setting Time delay (ms) Protection Mode Preset Trip Alarm setting 0.99 in steps of 1% 100 to 500 in steps of 1 ON / OFF 50 to 90% of set value in steps of 1% Lag Pf Pf setting Time delay (ms) Protection Mode Preset Trip Alarm setting 0.5 to 60 in steps of 0.5 to 0.1 ON / OFF THD Current 5 to 50%Ir in steps of 1% 5 to 15 in steps of 5 ON / OFF 50 to 90% of set value in steps of 1% .5 to 0.99 in steps of 1% 100 to 500 in steps of 1 ON / OFF 50 to 90% of set value in steps of 1% Other Protection MD Active Demand settings Protection Mode Preset Trip Alarm setting 1 to 5000kW in steps of 1kW ON / OFF 50 to 90% of set value in steps of 1% MD Reactive Demand settings Protection Mode Preset Trip Alarm setting 1 to 5000kVAr in steps of 1kVAr ON / OFF 50 to 90% of set value in steps of 1% MD Apparent Demand settings Protection Mode Preset Trip Alarm setting Phase seq setting Time delay (s) Protection Mode Current setting (A) Time delay (s) Protection Mode Preset Trip Alarm setting 1 to 5000kVA in steps of 1kVA ON / OFF 50 to 90% of set value in steps of 1% Phase sequence 123 or 132 1 to 5 in steps of 0.36 MCCBs for Power Distribution Power Protection Reverse Power Power setting (W) PR Time delay (s) Protection Mode Preset Trip Alarm setting 1 to 5000kW in steps of 1kW 0. 0 release Display Module Power Supply Module Voltage Module 3 ph 4 wire AC supply Communication Module Energy and Power management functionality using voltage module .MCCBs for Power Distribution 37 Other Protections THD voltage Voltage setting (V) Time delay (s) Protection Mode Preset Trip Alarm setting Current Voltage Frequency & power factor Power Energy Protocol Trip History Event History 5 to 50%Un in steps of 1% 5 to 15 in steps of 0. This would enable monitoring energy at individual feeder level and thus help in implementing effective energy management practices in the plant. using communication module.0 release. Neutral & Earth Phase & Line True RMS Active.0 Æ Energy & Power measurement One of the first steps towards energy efficiency is energy and power measurement. Reactive & Apparent Active.1 ON / OFF 50 to 90% of set value in steps of 1% Metering & Display Phase. Moreover. MCCB with MTX3. active. in addition to current & voltage measurement. different parameters readings can be viewed on display module. Reactive & Apparent Communication MODBUS RTU & Bluetooth History Last 10 trip records with non volatile memory Last 10 event records with non volatile memory Advanced features of MTX3. reactive and apparent energy & power can also be measured. In MTX3. 3 ph 4 wire AC supply Communication through Bluetooth . Using MODBUS com module the MCCB release can be connected to a Personal Computer. This is especially important in a DG set or in a ring mains system. Æ Communication Capable Convertor (RS485 to RS232) 3 ph 4 wire AC supply Laptop or HMI Most advanced release of MTX series. power factor and offers protection against leading and lagging values thereby assisting in maintaining the power quality.0 release measures the frequency. the reverse power protection can be activated to trip the system. Æ Power Quality Control MTX3. All metering values of MCCB can be read and changed remotely. MTX3. These releases are also made compatible with HMI (Human Machine Interface) & DCS (Data Control Systems) Æ Wireless Remote Display (Bluetooth) Wireless display module based on Bluetooth technology. eliminates the need of wiring between the MCCB and the display unit on the door.0 is communication capable on MODBUS RTU network.MCCBs for Power Distribution 38 Æ Advanced Current and Voltage based protections • Reverse Phase: This function detects the phase reversal of current from the set sequence. This release measures THD of current & voltages and gives an alarm / trip in case it exceeds the set thresholds. It is especially important in motor feeder applications • Reverse Power: One can set the direction of power flow in a system from source to load and in case the direction of power flow reverses. please refer page no.MCCBs for Power Distribution Æ 39 Multi-looping Laptop or HMI Convertor (RS485 to RS232) MODBUS Communication through MODBUS looping A single display module can be connected to 15 MCCBs with MTX3.0 release can store last 10 trip records & last 10 event records which can be used for the system analysis later on. Æ Maintenance functionality MTX3. Note: For wiring diagram. These recorded values can be viewed from display unit as well as PC.0 releases through MODBUS network. 63 . Highly reliable data yet extremely simple looping reduces operational headaches and enhances remote accessibility. Battery Banks etc.5 1 5. with various advantages.Rated short-time withstand current * To be set at 10In only .6 1 5.5 1 10 1 12 0. The M version MCCBs in dsine range are developed specially to give short circuit protection for all types of motors.such as very close to Motor load • • • • Generally used at the incoming of any sub-distribution As an Isolator for Bus coupler As an automatic switch For switching applications of motors with VFDs. • For local isolation. Frame Type 100A 250A 400A 630A DN0-100M DN2-250M 32-100 100-250 DN3-400M 320-400 DN3-630M 500-630 Current Range (A) Poles Icu(kA) at 415 Vac.MCCBs for Different Applications 40 Motor Protection Application AC induction motors are the vital elements in any production process and hence constitute majority of loads in Industry and other installations. 50 Hz Magnetic Setting 3P 50 6-10In* 9In DN3-M Isolator Application dsine MCCBs with Switch Disconnector version offer solution for switching various loads such as UPS. These MCCBs can be used for many applications for isolation purpose.5 15 0. soft starters SD MCCBs are always backed up by the Short Circuit Protection Device (SCPD) to protect downstream loads/installations against short circuit. • Suitable for Positive isolation • Available with 3P & 4P versions • Can be used with Under Voltage Protection • Remote tripping through Shunt release • Motor operated MCCBs • Status feedback possible Following are the specifications of SD MCCBs Frame Type Current Range (A) Poles Icw (kA) Duration (sec) 250A 400A 630A 800A DN2-250SD DN3-400SD DN3-630SD 1000A 1250A DN4-1250SD 100-250 3/4 320-400 3/4 500-630 3/4 800 3/4 1000 3/4 1250 3/4 3. These MCCBs differ from regular MCCBs only in terms of absence of protection trip units.1 Note: Icw . Selection of MCCB using our Type 2 charts give reliable performance of the motors. Our dsine SD MCCBs offer following advantages. As per the earthing of the system. we recommend following connections for breaking the fault currents. 250 320. 630 Number of poles Rated current In (A) 250A 20. 80. 200. Earthed system Any one polarity is earthed Earthed system Midpoint of the system is earthed Insulated system No earthing No. 32. 400 500. 250 50. 125. 160. 100 Rated Voltage (Vdc) 250 500 250 500 Icu (kA RMS) 15 10 15 10 Type of connection 250 500 250 500 15/25/36 5/10/20 15/25/36 5/10/20 250 500 25 10 250 500 15/25/36 5/10/20 3P in series L/R (msec) <15msec Switching of DC currents is much severe phenomenon than switching AC currents due to non occurrence of natural zero. 200. 160. voltage ratings upto 500V and various breaking capacities ranging from 5kA to 36kA. Hence DC MCCBs are desired to give less breaking capacity than AC MCCBs for the same voltage & currents. 100. 25. of poles required to perform the break can be shared between two polarities - LOAD + 250/500V 250/500V + LOAD - Note: Suitable for Thermal Magnetic release only 250/500V + - LOAD . Frame 100A Type 400A 630A DN0-100C/D DN1-250N DN2-250D/N/S DN3-400D/N/S DN3α-400D DN3-630D/N/S 3/4 3/4 3/4 3/4 3/4 3/4 100. of poles required to perform the break must be in series on one polarity No.MCCBs for Different Applications 41 DC Application DC power distribution is an upcoming technology in this modern era due to its most rigorous network power applications such as • • • • • • AC-DC Power System DC-DC Converter Systems DC-AC Inverter Systems DC UPS Batteries & Accessories Solution to alternative energy-Solar Power We offer dsine MCCBs for the protection of DC systems in variety of current ratings from 20A-630A. 40. 63. 125. 400 320. of poles required to perform the break must be on both the polarities No. It includes all the necessary features to supervise and control power supply sources. phase loss.MCCBs for Different Applications 42 Æ Auto Source Transfer Application In this modern era of automation. asymmetry. and the relative transfer equipment. utility-to-generator or generator-to-generator changeover possible • Three-phase. please refer page no. maximum voltage. maximum frequency. It sets a new benchmark in Auto Source Transfer Switch Controller technology. such as contactors. + AuXC-1000 MIL with Base Plate & EOM Key features: • Utility-to-utility. IT parks for quick changeovers and also in Utilities for uninterrupted supplies for critical loads. It has been developed to control and supervise the automatic or manual transfer of a utility load from a principal power supply source to a stand-by and vice-versa. composed by energy distribution systems or generating sets. ASTS (Automatic Source Transfer Systems) are very widely used in many places such as commercial buildings. minimum frequency. ASTS solution basically consists of • Motorised MCCBs • Mechanical Interlocking device (usually a base plate) • Automatic Transfer Controller ASTS with AuXC-1000 controller The AuXC-1000 controller brings simplicity and flexibility to an auto source transfer system. with independent enable and delay • Voltage thresholds with programmable hysteresis • Manual control of Circuit Breakers • Main line failure simulation • Communication Capable • Front display for monitoring the system voltage and frequency and for onsite controller programming • Six programmable inputs and five programmable outputs • Front test feature to simulate the operation of the diesel generator set • Status indication through 22 LEDs • Flush mounting arrangement Note: For wiring diagram. two-phase or single-phase voltage controls • Controls of minimum voltage. motorized moulded case circuit breakers and air circuit breakers. These solutions can give you optimum energy management.60 . utility-to-generator changeover facility • Single supply input from battery supply 12-48V DC • Display to view main and secondary line parameters • 15 status LED indicators • 6 programmable digital inputs • 3 programmable relay outputs • RS232 communication interface • Modbus RTU and Modbus-ASCII communication protocols • Status display of circuit breakers • Emergency demand supervision parameter programming for stand by generator sets • Event logging • Alarm code & description display The automatic transfer takes place through AuXC-1000L / AuXC-1000 whenever following conditions are predefined by the user • System Voltage not in line with programmed limits • The need to have a very reliable power source • The need to use the most economical power source These controllers are compatible with U-POWER OMEGA range of Electrical ACBs. . Some of the salient features of the controller are as follows: • Utility-to-utility. Simpler. Easier + AuXC-1000L MIL with Base Plate & EOM With the new AuXC-1000L controller in addition to its predecessor. ASTS have just become lot simpler & easier.MCCBs for Different Applications 43 ASTS with AuXC-1000L Controller – Smarter. dsine range of Motorized MCCBs and MCX range of contactors. . Accessories n Internal accessories - 46 Auxiliary Contact Trip Alarm Contact Auxiliary Trip Alarm Contact Shunt Release Under Voltage Release n External accessories - Rotary Operating Mechanism - Mechanical Interlocking Kit - Keylock - Spreader Terminals - External Neutral CT - Stored Energy Electrically Operated Mechanism - MTX Modules - Earth Fault Module 47 46 Accessories Internal Accessories dsine range of MCCBs are offered with snap-fit type, easily installable internal accessories. There is no need to open main cover and no live parts are accessed during installation. TAC, Aux+TAC to be fitted in the right cavity & under voltage release to be fitted in left cavity. Double Insulation: The internal accessories are housed in insulated casings to ensure first level of insulation. Whenthe front coverisopened for the fixing of internal accessories, the MCCB is totally insulated ensuring the double insulation. MCCB with mid cover opened & Internal accessories fitted Internal Accessories Auxiliary Contact Auxiliary Contact 2 C/O 1 C/O Trip Alarm Contact 2 C/O Auxiliary + Trip Alarm Contact 1 C/O + 1 C/O 240/415V AC 50Hz 110/415V AC 50Hz, 110/220V DC Under Voltage Release 240V AC Shunt Release UV Release Frame Cavity DN0, DN1 DN2, DN3, DN3α, DN4 DN0, DN1 DN2, DN3, DN3α, DN4 DN0, DN1 DN2, DN3, DN3α, DN4 DN0, DN1 DN0, DN1 DN2, DN3, DN3α, DN4 DN0, DN1 DN2, DN3, DN3α, DN4 DN0, DN1 DN2, DN3, DN3α DN4 Right Right/Left Right Right/Left Right Right Right Right Right Contacts/Supply Voltage 1 C/O Shunt Release TAC Left Right/Left Left Shunt Release It allows opening of MCCB by means of an electrical command. Operation of the release is guaranteed for a voltage between 70% and 110% of the rated power supply voltage value Ue, both in AC & DC. Operational Voltage Power Consumption Dn0 / DN1 240 / 415V AC, 50Hz 1500VA DN2 / DN3 / DN3α / DN4 110 / 415V AC, 50Hz 1500VA 110 / 220V DC 85W Frame Note: Low VA Shunt Release available Accessories 47 UV Release The Under-voltage release causes the MCCB to trip if the operational voltage falls to a value between 35% and 70% of its rated voltage or not applied. UV release mechanically locks the closing mechanism of MCCB & makes it impossible to close on under-voltage or no voltage, both manually & electrically. With the under-voltage release de-energized, it is not possible to close the MCCB. UV release can also be used for interlocking schemes (for DG synchronization, paralleling of transformers etc) also. Operational Voltage Power consumption DN0 / DN1 240V AC, 50Hz 5VA DN2 / DN3 / DN3α 240V AC, 50Hz 5VA DN4 240V AC, 50Hz 5VA Frame External Accessories Rotary Operating Mechanism Rotary Operating Mechanism (ROM) for dsine MCCBs are available in Direct & Extended versions. 1. Direct Rotary Handle (MCCB mounted) These versions are available for the entire family of dsine MCCBs with in-built pad locking feature. Direct Rotary Handle (MCCB mounted) 2. Extended Rotary Handle (Panel Mounted) • ROM mounts directly on MCCB without removal of mid cover • Clear ON/OFF/TRIP indication • Clear view of MCCB rating label • Direct access to “Push to Trip” button • IP 54 degree of protection with extended rotary handle • Unique coupling to allow ±3mm tolerance • Door interlock in ON position, with defeat facility • Door interlock in OFF condition with padlock feature • Auto restoration of door interlock • External keylock for mechanical interlocking Extended Rotary Handle: Panel Mounted Panel Door Mounted Key lock (To be used along with Extended Rotary Handles) Accessories 48 Mechanical Interlocking Schemes 1. Mechanical Interlocking Kit: Two MCCBs can be interlocked using base plate mechanism, in side-by-side configuration. Æ Features • For 3P & 4P versions • For DN2 & DN3 frames • Site fittable MIL with Base Plate 2. Mechanical Interlocking using Key Locks: For mechanical interlocking through extended rotary operating mechanism, a panel mounted key lock is available. The selection of the key lock as per the table: I/C or B/C Key Lock 2 l/C Any 1 type of lock for both MCCBs 2 I/C and 1 B/C Lock 1 and Lock 2 for I/C and Lock 12 for B/C 3 I/C and 2 B/C Locks 1, 2, 3 for I/Cs and Locks 12, 23 for B/Cs Key Lock Selection: I/C2 I/C1 Type of lock Exclusively operable by Key Nos. 1 1 2 2 Lock 1 Lock 2 I/C3 Incommers (I/C) Lock 3 3 3 12 1, 2 & 12 Lock 12 Lock 23 23 2, 3 & 23 B/C1 B/C2 Bus couplers (B/C) Spreader Terminals Æ Used for enhancing termination capacity Æ Made of silver plated copper Terminal capacity without spreader terminals Rating (A) 16-100 125-250 dsine Frame Cable (mm2) Link(mm) DN0 35 ≤17 320-630 Cable (mm2) Link(mm) DN1 120 <26 DN2 95 25 Cable (mm2) 800-1250 Link(mm) DN3 120 27 DN3α 185 <32 DN4 2 Cable (mm ) Link(mm) - 2X40 Terminal capacity with spreader terminals Rating (A) 16-100 2 125-250 dsine Frame Cable (mm ) Link(mm) DN0 50 22 2 320-630 Cable (mm ) Link(mm) DN1 185 35 DN2 185 35 2 800-1250 Cable (mm ) Link(mm) DN3 2X180 2X40 DN3α 2X240 2X40 DN4 Cable (mm2) Link(mm) 2X300 2X60 Note: Phase barriers are supplied along with MCCBs ; Copper termination recommended for enhanced performance 0 releases Adapters for NCT available Stored Energy Electrically Operated Mechanism Æ Æ Æ Æ Æ Æ Æ Æ ON / OFF & Charged/Discharged indication Foolproof mounting Selector switch for Auto/Manual operation Padlock facility for locking in OFF position (3 nos.Accessories 49 External Neutral CTs Æ Æ Æ Used to provide neutral protection to 3P MCCBs in 3 phase 4 wire system Available for 3P MCCBs with MTX2. Output 1 should be loaded Note: For wiring diagram. 63 * At rated voltage . on the front Operating frequency Min.0 & 3. control impulse time (ms)* Power Supply (PS) Module PS module is used to power ON dsine MTX modules when auxiliary 24Vdc supply is not available. of operations 2 Door cut out (mm ) IP protection. Specifications AC DC Input 85-265V 125-300V - 650mA at 24V DC - 200mA at 24V DC Output 1 # Output 2 # For using Output 2. please refer page no. locks) Higher mechanical & electrical endurance Back up fuse for extended motor protection Easy access to the protection setting on MCCB True indication for ON/OFF & Trip Specification DN2 DN3 240 240 Operating voltage (V AC) Operating voltage (%) 85-110% 85-110% Closing time (ms) 60 90 Opening time (ms) 300 450 Power consumption (VA) 350 500 16000 15000 96x96 96x96 IP30 2/min IP30 1/min 300 450 Life / No. 0 This accessory when connected to MTX3.0 electronic trip units across DN2/DN3/DN4 frames. Æ Voltage Module for MTX3. The module displays wide range of parameters as follows • Phase current. Its operating temperature is -25O C to 70 O C.0 It is a panel mounted O-LED display unit that can be integrated with MTX3. It has to be mounted just beside the MCCB on a DIN plate.0 It consists of 2 parts viz. Metering module & Display module. Metering module collects the data from the release and sends the same to the Display module. neutral and ground fault currents. Æ Communication Module for MTX3. It is suitable for the MTX3.0 release in DN2/DN3/DN4 frames is able to provide the various measurements of the electrical values of the plant. please refer page no. We can also view last trip records. 2 LEDs in front of the module indicates • The Power LED -the presence of auxiliary power supply to the module.0 The communication module is the solution for connecting dsine MCCBs to a Modbus network for remote supervision and control of circuit breaker.transmission of data. It has one navigation key. Its operating temperature is -25O C to 70O C and consumption is 43mA. earth leakage current • Phase / Line voltage • Active / Reactive / Apparent Power • Power factor. Its operating temperature is -25O C to 70 O C and consumption is 12mA. • The Data LED . 3 phase currents.0 release in DN2/DN3/DN4 frames. Frequency • Energy MTX Test Kit Æ Universal Test Kit for all MTX releases Æ Simulation of overload. if any. The panel mounted O-LED Display module shows various parameters viz. a select button & an exit button. short-circuit & earth fault Æ Single phase AC supply Note: For wiring diagram. 63 . Æ Display Module for MTX3. ground current.Accessories 50 Æ Current Metering Module for MTX2. It is available with DIN rail mounting facility. 110 x 32 GF2 . the characteristic of all L&T products. Earth Fault Module GF2 • Manual reset for positive fault acknowledgment. please refer page no. Is(Is=x In) 10% to 50%In in steps of 10% Auxiliary Supply Time Delay (ms) 240V AC ±20% 100 / 200ms Field selectable Pick-up Accuracy ±10% Is Output Contact 1 NO contact manual reset Type contact rating 5A 240V AC Indication a) Power On LED b) Trip LED (manual reset) Operating Temperature +10 C to +55 C Insulation 2 kV 50Hz for one minute across independent circuit 1 kV 50Hz for one minute across open contacts Mounting Base plate mounting type Window for Cable / Busbar entry (mm2) GF1 .5 Weight (kg) GF1 .1. GF2 and GF11. • Built-in test facility. In case of 3 phase 4 wire system. 200 ms). 61 0 0 . the neutral cable/twisted link should also be passed through the CBCT along with the 3 phase links / cables.2.Accessories 51 Earth Fault Module Features: Earth Fault Modules Type GF1. conforming to the high performance standards. They combine safety and versatility.2. • Suitable for both 3 phase 3 wire & 3 Phase 4 wire systems. GF2 . Earth Fault Module GF11 Note: MCCBs need to be fitted with 110 V / 240 V AC shunt release for Earth Fault Module operation. GF11 is suitable upto 800A MCCBs Technical Data Specification Type GF1 / GF2 / GF11 Current Setting Range. These modules are to be used with MCCBs for earth fault protection.165 x 61. The principle of operation is based on detection of the residual current in the system. • Built-in moulded CBCT for GF1 & GF2. • Compact in size • Solid state design. GF2 is suitable upto 250A-400A MCCBs • Potential free NO contact to trip MCCB (through 240 V shunt release).2.9 Note: For wiring diagram. • Window dimensions suitable for Cable / Link connection in GF1 and GF2. External CTs are to be used for GF11. Earth Fault Module GF1 GF1 is suitable upto 200A MCCBs • Selection facility for nominal current rating (In). GF11 .0. • Earth fault setting is adjustable from 10% to 50% of set current • Selectable trip times (100 ms. . 7.2Ir .0 (O/L curves) . Earth fault & Neutral curves for MTX1.Characteristic Curves n Thermal Magnetic Release } DN0 } } } } 54 DN1 DN2 DN3α DN3 n Microprocessor Release 55 } MTX1.5Ir .2Ir } MTX3.5Ir .LI-VI at 1.I4T at 1.2Ir .I2T at 1. 7. 6Ir .0/2.0/3. 7.2Ir .5Ir . 6Ir . 7.0/2. 6Ir .SI at 1. 7.0 . 6Ir .2Ir .Short circuit.I2T at 6Ir .5Ir .0 (O/L curves) . 001 10-1 102 10 1 9In 0.001 -1 10 1 10 102 Current multiples (xIn) 103 0.1 0.01 1 0.1 0.01 0.Characteristic Curves 54 Thermal-Magnetic Release DN1 MCCB 10000 10000 1000 1000 100 100 10 10 Trip Time (s) Trip Time (s) DN0 MCCB 1 9In 0.01 10 1 DN3α MCCB DN3 MCCB 1000 1000 100 100 100 10 10 6-10In 1 Trip Time (s) 1000 Trip Time (s) 10000 Trip Time (s) 10000 9In 1 0.1 0.1 t < 10 ms 0.01 102 Current multiples (xIn) Note: Curves are Ir based till overload zone.001 10-1 t<10ms 1 10 102 103 Current multiples (xIn) 10000 0.1 t<10ms 0.001 10-1 103 Current multiples (xIn) DN2 MCCB t<10ms 0. 6-10In 1 0.01 103 10 t<10ms 0.001 -1 10 1 10 102 Current multiples (xIn) 10 3 . Characteristic Curves 55 Microprocessor Release MTX1.I 2t) 2 2 I T @ 7.1 3s 1 0.1 Trip Time (s) 10000 Trip Time (s) 10000 Trip Time (s) 1000 30s 20s 10 10s 5s 3s 1 0.0 .0 .01 1 10 Current multiples (xIr) 5s 3s 1 0.0 / 2.1 0.DN2 / DN3 / DN4 (O/L curves .1 1 10 1 Current multiples (xIr) 10 Current multiples (xIr) MTX3.DN2 / DN3 / DN4 (O/L curves .5Ir I 2T @ 6Ir I 2T @ 7.2Ir 100 1000 1000 10 100 100 1 30s 20s 30s 20s 10s 10 10s 5s 3s 0.1 1 10 Current multiples (xIr) 1 10 Current multiples (xIr) .I 2t) I 2T @ 1.2Ir 10000 10000 1000 1000 Trip Time (s) Trip Time (s) I T @ 6Ir 100 100 10 10 10s 10s 3s 1 0. 0 .DN2 / DN3 / DN4 (O/L curves .1 10 1 Current multiples (xIr) 0.I 4t) 4 4 I T @ 1.2Ir 100 100 100 30s 24s 10 12s 12s 10 Trip Time (s) 30s 24s Trip Time (s) Trip Time (s) 30s 24s 12s 10 4s 4s 4s 1 1 1 10 Current multiples (xIr) 1 1 10 Current multiples (xIr) 10 1 Current multiples (xIr) .1 1 10s 6s 100 30s 18s 10s 6s 3s 1 3s 0.DN2 / DN3 / DN4 (O/L curves .5Ir 100000 100000 10000 10000 1000 1000 100 Trip Time (s) 10 1 I T @7.Characteristic Curves 56 Microprocessor Release MTX3.01 1 0.2Ir Trip Time (s) 1000 Trip Time (s) 4 I T @ 6Ir 100 10 10 30s 18s 10s 6s 3s 30s 18s 0.5Ir SI @ 6Ir SI @ 7.0 .1 10 1 10 Current multiples (xIr) Current multiples (xIr) MTX3.Short Inverse) SI @1. 0 only For MTX3.0 .1 Invs OFF* 200ms 200ms 200ms 0.5Ir LI-VI @ 6Ir LI-VI @ 7.01 0.5 Current multiples (xIr) Current multiples (xIn) For MTX3.0 (S/C.5 Current multiples (xIr) 0.1 0.0 only * Only Short Circuit setting available in MTX1.0 . E/F & Neutral Curves) Short Circuit Curves Earth Fault Curves Neutral Curves 1 1 1 400ms 500ms 300ms 0.01 0.DN2 / DN3 / DN4 (O/L curves .2 0.2Ir 1000 10 100 100 Trip Time (s) 30s 24s Trip Time (s) 1000 Trip Time (s) 100 12s 1 30s 24s 30s 24s 10 10 12s 12s 4s 4s 4s 0.Long Inverse / Very Inverse) LI-VI @ 1.1 1 1 10 1 1 1 10 10 Current multiples (xIr) Current multiples (xIr) Current multiples (xIr) MTX1.0 / 3.0 • Under Short Circuit fault conditions.Characteristic Curves 57 Microprocessor Release MTX3.1 11. MCCBs will clear the fault in less then 10 msec 1 0.5 10 *: IDMT disable in case of MTX3.1 100ms Trip Time (s) 100ms Trip Time (s) Trip Time (s) 0.1 Inst 0.5 8 10 0.01 1 1.0* / 2. . 1000 & AuXC .0 with Communication through Modbus 63 .0 with Current Metering Display 62 n MTX3.1000L 60 n Earth Fault Modules 61 n MTX2.Wiring Diagrams n Motorised Circuit Breakers Control through AuXC . 1 2.1 1.3 7. Q2) COMMON CLOSING OPENING Terminal Parameter code Setting 4.2 2.04 4. Q2) CLOSING OPENING Terminal Parameter code Setting 1.3 8.2 9.4 QF2 9.1 Tr.2 2.1 2.1 5.6 3.1 P6.2 2.4.1 4.04 2.1 5.2 P5.1 OP.5 4.2 4.1. MCB 5 TRIP STATUS INTERLOCK POWER SUPPLY 5 COMMON CLOSING OPENING TRIP Mechanical Interlocking 1 3 4 2 STATUS Contactors 1 3 4 2 INTERLOCK Circuit Breaker (Q1.2 POWER SUPPLY COMMON LOAD Parameter setting for the wiring diagram in picture.3 P5.1.1 Fb.1 2.2 3.1 P6.1 1.2 Fb.03 Tr.2 Tr.4 K2 K2 K1 K1 DIGITAL INPUT S DC SUPPLY 5.1 3.1 P5.03 OP.2 5.2 1.3 P6.2 Fb.Wiring Diagrams Motorised Circuit Breakers Control through AuXC .1 P6.3 3.2 5.4 4.2 POWER SUPPLY 60 _ _ . WITHDRAWN SE-EOM Q2 Motorised Circuit Breakers Control through AuXC .4.1 P5.3 7.02 4.3 9.1000L DIGITAL INPUT S Parameter setting for the wiring diagram in picture.1000 LINE 1 L1 L2 L3 N LINE 2 L1 L2 L3 N QF1 8.2.3 P6.2 4.4 3.8 Q1 3.1 P5.2.5 3.1 P6.1 9.01 Fb.02 CL.1 OP.1 2.1 4.3.2 RS232 8.1 8.1 CL.1 + L1 L2 L3 N K2 K1 5 MCB WITHDRAWN SE-EOM Q1 TRIP CLOSING OPENING 5 INTERLOCK 4 2 STATUS 1 3 POWER SUPPLY COMMON TRIP Mechanical Interlocking 4 2 STATUS Contactors 1 3 INTERLOCK Circuit Breaker (Q1.3.1 P6.1 P5.3 CL.6 4.1 4.3 Q2 4.01 OP.3 CL.2 K2 K1 2.7 3.7 4.1 P6.3 P5.3 4.4 Tr.4 P5.8 1. SUPPLY 4 240 Vac N TO LOAD GF11 FROM MCCB R Y 240 Vac B N 1 RELAY 2 S1 SENSING CIRCUIT S2 MCCB SHUNT RELEASE 5 S1 CT Sec. S2 RECTIFIER L S1 S2 S1 S2 TO LOAD N 3 AUX SUPPLY 4 240 Vac .Wiring Diagrams 61 Earth Fault Modules GF1 & GF2 FROM MCCB 240 Vac R Y B N SENSING CIRCUIT 1 RELAY MCCB SHUNT RELEASE 2 5 RECTIFIER L 3 AUX. 0 Release Inst 62 to other MTX2.0 24 Vdc Auxiliary Power Supply Module L N 240 Vac 50 Hz .0 with Current Metering Module Display Module Metering Module MTX2.Wiring Diagrams MTX2. Wiring Diagrams 63 MTX3.0 with Communication through Modbus Display Module Communication Module Voltage Module MTX3.0 Release Inst D+ D+Vs Convertor RS485 RS232 3 Phase 415 Vac Supply Gnd 24 Vdc 24 Vdc Laptop / SCADA System Auxiliary Power Supply Module L N 240 Vac 50 Hz . . Dimensions n Dimensions of MCCB } DN0 } DN1 } DN2 } DN3α } DN3 } DN4 66 n Dimensions of Accessory } Rotary Operating Mechanism 72 } Stored Energy Electrically Operated Mechanism } Panel Mounted Key Lock } Mechanical Interlock Kit } External Neutral CTs } MTX Modules } Auto Source Transfer Switch: AuXC-1000 and AuXC-1000L } Earth Fault Modules . 5 28 28 11 11 13 65.5 25.2 30.5 75 50.5 58 61.4 130 N 25 N CUT OUT 1 CUT OUT 2 29.2 35 20 58 61. nos. It is recommended to use spreader links for enhancing termination capacity All dimensions are in mm .25 27.5 2.5 65.2 194.2 194.5 75 32 172.2 172.5 25 48. for DN0 spreaders 3P 4P CM97785OOOO CM97921OOOO Note: Spreaders are available as spare.2 45 38 N 20 35 92 2 Recommended cat.5 76 25 25 100(4P) 101 Mounting & Door Cut-out Details 25 DN0-100 with Spreader Links 86 13 Ø8.2 62.Dimensions of MCCB 66 DN0-100 MCCB 25 86 75(3P) 25 25 MCCB MOUNTING HOLES M3 SCREW 6 Nos.5 112 112 116.25 46 39 45 38 50.5 13 13 35 127. 64 60 12.5 13 Ø9 64 60 2 22 22 35 35 32.5 52 62. nos.5 17.2 19.7 64.5 54.5 250-4P 250-4P 38 46 19.5 60 17.5 Mounting & Door Cut-out Details 35 DN1-250 with Spreader Links 19 ø10.65 95. 105(3P) 35 35 93.5 250-4P 46 250-4P 45 N 35 54.5 18 18 221 257 147 221 257 78.6 17.Dimensions of MCCB 67 DN1-250 MCCB MCCB MOUNTING HOLES 6 Nos.7 58.7 64. It is recommended to use spreader links for enhancing termination capacity All dimensions are in mm .7 47.65 95.5 35 35 140 (4P) 70.5 60 4 47.5 19 18 Ø10.5 35 141 35 35 46 126 145 165 126 78.5 45 N 88 53 70.5 144 4 35 54 54 197 54 18 Recommended cat. for DN1 spreaders 3P 4P ST98053OOOO CM92007OOOO Note: Spreaders are available as spare.2 19 93. 5 35 35 25.5 19 19.7 89.5 26. 119.5 60.65 19 4 18 Ø10.Dimensions of MCCB 68 DN2-250 MCCB 105(3P) 35 17.5 61 72.27 35 MCCB MOUNTING HOLES M4 SCREW 6 Nos.27 38 38 N 48 41 45 35 35 54.2 119.25 28 All dimensions are in mm . It is recommended to use spreader links for enhancing termination capacity.57 96.5 8 35 96.57 N 45 46.7 89.5 275 239 275 239 72.5 157 163 179 157 CUT OUT 86 35 35 140(4P) 35 Mounting & Door Cut-out Details DN2-250 with Spreader Links 19. Rating Dimension (A) 125-250A TM 63-100A TM 32-50A TM MTX breakers 26 25.5 54. nos.2 48 18 Ø10.5 54 54 A 54 4 197 144 Recommended cat. for DN2 spreaders 3P 4P ST98053OOOO CM92007OOOO Note: Spreaders are available as spare.5 19 28. 44.50 25.50 82.5 23 23 45 23.5 38.5 140 115 110 121 44.5 5 56.5 5 Recommended cat nos.5 77 272 318 318 272 98 68 45 Ø13 140 115 110 40 63.5 227. 4P ST980660000 All dimensions are in mm .Dimensions of MCCB 69 DN3α-400 MCCB MCCB MOUNTING HOLES M5 SCREW 6 Nos. for DN3α spreaders 3P ST980650000 Note: Spreaders are available as spare.5 44.5 44.25 52. It is recommended to use spreader links for enhancing termination capacity.5 184(4P) Mounting & Door Cut-out Details DN3α-400 with Spreader Links 23 61.5 47.50 139.5(3P) 44.75 CUT OUT 176 77 176 182 205 79 98 68 44.5 63.5 21.5 56.25 44.5 23 23.5 63 Ø13 26.5 167 40 63 26. 5 62 Type DN3-400 DN3-630 Recommended cat nos.75 26.7 140(3P) 43.5 23 22.5 43.5 MCCB MOUNTING HOLES M5 SCREW 6 Nos.25 CUT OUT 38.5(4P) Mounting & Door Cut-out Details DN3-400/630 with Spreader Links 22 20. A B C D E F G H 39 37* 45 324 370 13 13 52 43 39# 55 344 390 10.Dimensions of MCCB 70 DN3-400/630 MCCB 43. 224 78 82. It is recommended to use spreader links for enhancing termination capacity.5 43.5 104 43.5 11 62 All dimensions are in mm .5 183.5 43.5 224.5 180 143 120 103 121 43.5 77 224 234 266 82. for DN3 spreaders Rating 400A 630A B 3P 4P ST98065OOOO ST98054OOOO ST98066OOOO CM92004OOOO * 38 for MTX # 38 for 500A TM Note: Spreaders are available as spare.5 ØF 180 143 120 103 A 5 77 D E D E 104 C C H H 40 40 62.5 165 62 60.5 22 ØG 23 22.5 62. 5 132. 197 143 68 68 57 125 107 210 (3P) 68 68 CUT OUT 182 71 24 68 68 180 278 (4P) 71 Mounting & Door Cut-out Details DN4-800/1000/1250 with Spreader Links E E D 85 A E 15 A Ø12.5 197 143 C 60 24 60 24 A A B B 4P Frame 3P Frame Type 800A 1000/ 1250A A B 88 236 46 A C 6 E 28 80 220 20 20 Type 800A 1000/ 1250A A B 88 324 C 6 E 28 80 300 20 20 3/4P Frame Type N version S version D 46 42 Recommended cat nos. for DN4 spreaders Rating 3P 4P 800A 1000/1250A ST90361OOOO ST98055OOOO ST90362OOOO ST98058OOOO Note: Spreaders are available as spare. It is recommended to use spreader links for enhancing termination capacity.5 198.5 198.5 68 MCCB MOUNTING HOLES M5 SCREW 6 Nos.5 90 Ø12. All dimensions are in mm .5 90 E 15 E 105 85 510 540 510 540 132.Dimensions of MCCB 71 DN4-800/1000/1250 MCCB 326 326 330 370 105 109. 7 84 122 92 170 All dimensions are in mm .183 L1 .183 L1 .5 27 39 39 69 L3 69.5 24.5 81.152 L1 .5 37 56.119 L1 .Dimensions of Accessories Rotary Operating Mechanism (ROM) Direct ROM Door Cut-out Detail L5 L4 N L3 L2 L1 Mounting & Door Cut-out Details L1 = Mounting Depth L2/L3 = Panel Cut-out L4/L5 = Breaker Mounting Refer Type DN0 DN1 DN2 DN3 DN3α L1 96.5 54 66 53 82 78 49 82.252 L2 7.5 Extended ROM Door Cut-out Detail Ø50 L2 45 0 N L3 72 Ø76 Ø4 L1=Minimum Panel Depth suggested Mounting & Door Cut-out Details L L = Length of Shaft Required for Panel Depth L1 Total Length of Shaft =275mm Type DN0 DN1 DN2 DN3 DN3α DN4 L1 169 169 202 233 233 302 L L1 .5 122 146 146 L2 58 73 96 121 121 L3 52 52 63 87 87 L5 L4 43.5 96.119 L1 . CM98130OOOO Panel Mounted Key Lock Type 1 / 2 / 3 / 12 / 23 72 48.5 2 Holes.1 Door N ON Door Cut-out TRIP DN3 SE-EOM Cat.2 Ø76 Ø50 Ø50 12 58 Cut-out for Panel Mounted Key Lock 52 Note: Panel Mounted key lock can be used only with extended ROM 68 Cut-out for Handle Assembly 68 136 450 Ø29 2.5 = = 256 45 49 94 224 94 62. Ø4. No.Dimensions of Accessories 73 MCCB with Stored Energy Electrically Operated Mechanism (SE-EOM) DN2 245. No. CM98132OOOO 264 Mounting holes for MCCB 43.7 35 == ON TRIP 156 = = DN2 SE-EOM 94 DN3 Cat.5 Door Cut-out 94 N 157 18.2 Mounting & Door Cut-out Details All dimensions are in mm .5 Door 237. Dimensions of Accessories 74 Mechanical Interlocking Kit DN2 372 Ø10 Mounting Holes 141 177 141 35 209 141 239 141 Holes for Breaker Mounting Mounting Details DN3 Ø10 Mounting Holes 436 161 266 161 56 316 161 346 161 Holes for Breaker Mounting Mounting Details All dimensions are in mm . 5 153. OFF Bottom Side >M All dimensions are in mm .5 58 46 81. Kindly refer accessories data for ordering separately.5 219.5 Adaptor Terminal ON Frame DN2 250A G 77 H 153 J K L 26 4 55 DN3 400A 63. Circuit Breaker shown for reference only.Dimensions of Accessories 75 External Neutral CTs DN2/DN3 K L B C D A J H Bottom Side G Bottom Side ØF E Frame A B C D E F DN2 250A 93 59 47 81 35 10.5 58 46 81.5 40 13 DN3 630A 93.5 40 10.5 173.5 39 5 60 189 TRIP M Note: Adaptor Terminals shown are not available with product.5 39 5 60 DN3 630A 63.2 DN3 400A 93.5 199. Dimensions of Accessories 76 External Neutral CTs DN4 M H A D J Bottom Side K P G Bottom Side C B ØF E DN4 A B C D E F G 800A 132 88.5 117 60 12. Kindly ensure proper orientation in assembly as shown in figure.5 73.5 92 DN4 H J K L M P 800A 24 302 272 80 73. >L Special Note: Adaptor Terminals for DN4 range of product are not symmetrical. All dimensions are in mm .5 117 60 12.5 73. Circuit Breaker shown for reference only.5 12.5 92 1000/1250A 132 88.5 12. Kindly refer accessories data for ordering separately.5 1000/1250A 24 302 272 80 73.5 Bottom Side Note: Adaptor Terminals shown are not available with product. 5 96 91.3 23 14.3 3 73.5 Door Cut-out Details Voltage/Communication/Metering Module 3 81 87 73.Dimensions of Accessories 77 MTX Modules Display Module 36 44.3 23 60 65 Door Cut-out Details All dimensions are in mm .5 91.5 51 10 44. 5 94 79 AuXC-1000L 94 82 92 92 96 96 96 78 All dimensions are in mm .5 144 144 31 138.Dimensions of Accessories Auto Source Transfer Switch: AuXC-1000 and AuXC-1000L AuXC-1000 138. 5 105.5 24 60 274.5 110 71. GF2.Dimensions of Accessories 79 Earth Fault Modules .5 20 175 54 15 50 158 195 30 USE M6 SCREW 175 74 96 30 Terminal Block USE M4 SCREW = GF1 90 90 = GF2 Terminal Block 108 50 158 195 Terminals for external CT secondary connection 30 175 USE M4 SCREW GF11 All dimensions are in mm .5 mm) 108 Cable / Busbar entry (110mm X 32mm) 5 32 71.GF1. GF11 Terminal Block 8.5 Cable / Busbar entry (165 mm X 61. 80 Notes . installation.COM Lucknow Larsen & Toubro Limited Switchgear Training Centre C-6&7.: (0423) 251 7107 Fax: (0423) 251 7158 E-mail: STC-COONOOR@LNTEBG. Sarojini Nagar Lucknow 226 008 Tel. conserving energy. The Nilgiris – 643 243 Tel.: +91 265 245 7805 Fax: (0423) 251 7158 E-mail:
[email protected] at maximising productivity. minimising costs and enhancing safety. These training programmes impart knowledge on selection.COM . Yellanahalli P. MIDC. maintenance and testing of electrical & automation products. & Vadodara The typical training programmes cover: Low Voltage & Medium Voltage Switchgear Switchboard Electrical Design AC Drives & Building Management Solutions Protective Relays. .O. Bhosari Pune 411 026 Tel. Earthing & Harmonics Energy Conservation & Management Please contact any of our training centres to register and to obtain the detailed training programme schedule. Pune Larsen & Toubro Limited Switchgear Training Centre T-156/157.COM Vadodara Larsen & Toubro Limited Switchgear Training Centre Behind L&T Knowledge City Near Village Ankhol Vadodara 390 019 Tel.: (0522) 247 6110 / 09935563239 Fax: (0522) 247 6015 E-mail: STC-LUCKNOW@LNTEBG. P.O.12 Lakh professionals over the last 25 years. UPSIDC. our Electrical & Automation training programmes have benefitted 1.COM New Coonoor Larsen & Toubro Limited Switchgear Training Centre Ooty-Coonoor Main Road.: (020) 2712 0037 / 2712 0653 Fax: (020) 2712 2933 E-mail: STC-PUNE@LNTEBG.