IntroducingAutomatic Changeover with Current Limiter (ACCL) The intelligent start-up solution Features • Microcontroller based DIN rail mountable automatic source changeover with neutral isolation • Inbuilt SMPS for low power consumption • Operational status indication through LEDs • Manual reset provision for restoring supply, when in sleep mode • Automatic generator on/off facility (on special demand) • Staggered terminal design with bottom wiring for better isolation between phase & neutral disruption in key activities as well as critical damage to the expensive equipment and could also prove fatal to the operators. The ACCL allows unrestricted supply from Mains in case current is in allowable limits. d. now offers HAVELLS ACCL. to back up the utility supply. supply to the load from the mains is automatically disconnected after 5 cycles of interruption. Overload Ambient Temp. which also has current limiting function and offers easy and ‘controllable’ changeover between main power supply and generator supply. a consumer is automatically connected to the generator in case generator supply is available after a time delay of 8 to 12 seconds in order to limit the sudden load on the generator. if the Consumer does not switch off the non essential loads to reduce it to within the limit. the load is disconnected after a delay of 5 seconds and it will remain disconnected for 8 seconds as a warning and then automatically reconnects it. b. During this period. of Poles 1P+N Rated current (In) 30A on mains. ACCL limits the user from drawing excess load current beyond the pre. In an unlikely event.Automatic Changeover with Current Limiter (ACCL) An indispensable tool to automate power distribution.5 mm) Mounting Position Vertical /Horizontal Terminal Capacity mm² 10 Weight 350 gms. In an unlikely event. So go ahead. if the consumer does not switch off the non essential loads to reduce it to within the limit. 1. Once the supply goes to generator side then: a.5kV Duty Uninterrupted 2 Pollution Degree Conditional Short Circuit 3kA Current IP20 Protection Class Mounting standard mounting RAIL (35x7. a fully automatic high precision microcontroller based ‘Source Changeover’ device. such as gensets. d.set limit. protect expensive gensets and prevent fatal risks . . Technical Specifications Standard Conformity IEC 60947-6-1 No. HAVELLS ACCL is being increasingly adopted by leading power consumers.When the mains supply goes OFF. the ACCL will indicate the overload condition by glowing its “overload” LED. to provide efficient back-up for their power needs. b. -5 to +55°C Electrical Life 6000 operations Rated Impulse Voltage 1. HAVELLS INDIA LTD – Nation’s leading player in power distribution equipment and solutions. . Generator. the consumer is expected to switch off the non-essential loads and bring it within the limit. both at commercial as well as residential levels. If the current exceed the mains rating. and hence. With AGS (automatic generator start features) . The supply from Gen to the load can be restored only after pressing the Reset button present in the front of ACCL. With these inherent strengths. However. most of the commercial and residential complexes set-up alternate power sources.ACCL Provides signaling through a potential free contact for starting the Generator (Generator must have control unit for auto Start/off) and then consumer is automatically connected to the generator after a time delay of 8 to 12 seconds in order to limit the sudden load on the generator. Load. c. c.When the Mains Supply is available: a.When the Mains supply fails Without AGS (automatic generator start features) . During this period. The supply from mains to the load can be restored after pressing the reset button present in the front of ACCL.5-20A on generator Rated voltage (Ue) 240 Vac Rated frequency 50 Hz Rated insulation voltage 500V Transfer time 8 to 12 sec Restoring Time 2 to 4 sec Utilization Category AC 31B Class of Equipment PC Environment B Indication Mains. as a strong and proven power distribution management tool. If the current exceeds the allowable limit. most of these users of alternate power still depend on manual change-over. and empower your premises and power distribution with HAVELLS ACCL today! Functions . which leads to issues such as increased downtime. Due to this the load is disconnected after a delay of 5 seconds and will remain disconnected for 8 seconds as a warning and then automatically reconnects.The power instability in developing countries along with the inefficient rationalized power distribution creates a need for the alternative source of power. the consumer is expected to switch off the non-essential loads and reduce it within the limit. supply to the load from the mains is automatically disconnected after 5 cycles of interruptions. 5kV Not mentioned 80-300 Vac 180-240 Vac Longer life product (>6000 ops. ON/OFF feature Input from mains supply Input from GEN supply L N SCPD 2 Auto GEN start control unit Ignition signal to remote GEN start terminals GEN with auto start control unit * SCPD can be 32A HRC FUSE or 32A MCB MCB / RCCB N Output L Load . it can be fitted in any DBs as dimension is same as 4 Pole MCB (87.8 x 63) 108 x 72 x 68 Terminals for External Conductors Prevent connection error (Indirect pressure type ) Direct pressure type Conditional Short Circuit Current 3 kA Not mentioned Compact Design Thermoplastic.5 x 71.) Not mentioned Provided Not provided Longer contact life (AC 31B / IEC 60947-6-1) Not mentioned Low temperature rise No vents Rated Impulse Voltage Operational Voltage Electrical Life Pre-Trip Indication Under Overload Condition Utilization Category Vents Provided for Cool Running ACCL Wiring Arrangement during Installation ACCL Main supply N L SCPD 1 Terminals available in ACCL for GEN.ACCL Feature Benefits of Havells ACCL Features Advantage of Havells ACCL Other Competitor Products Requires less installation space. PA6 FR Grade Thermoplastic Local Reset Facility Reset button provided. so no extra switch required for restoring supply Extra switching device required for restoring supply Overload Indication Customer knows immediately in case of overload Not provided As per IEC 60947-6-1 No marking on product Eco Friendly Housings Standard Conformity 1. 011-4166 0303 (Landline).com. 2D. Ph.5 (300W) DHACOSN301X 30A/1. +91-120-4771000. Email: [email protected] 36 87.5A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 2.5 Dimensions (in mm) 71.P).5 (500W) DHACOSN302X 30A/2.5A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 3 (600W) DHACOSN3003 30A/03A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 4 (800W) DHACOSN3004 30A/4A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 5 (1000W) DHACOSN3005 30A/5A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 6 (1200W) DHACOSN3006 30A/06A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 9 (1800W) DHACOSN3009 30A/09A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 12 (2400W) DHACOSN3012 30A/12A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 15 (3000W) DHACOSN3015 30A/15A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 20 (4000W) DHACOSN3020 30A/20A ACCL W/O GEN START/STOP SPN 30 (6000 W) SPN 3 (600W) DHACWSN3003 30A/03A ACCL WITH GEN START/STOP SPN 30 (6000 W) SPN 6 (1200W) DHACWSN3006 30A/06A ACCL WITH GEN START/STOP SPN 30 (6000 W) SPN 9 (1800W) DHACWSN3009 30A/09A ACCL WITH GEN START/STOP SPN 30 (6000 W) SPN 12 (2400W) DHACWSN3012 30A/12A ACCL WITH GEN START/STOP SPN 30 (6000 W) SPN 15 (3000W) DHACWSN3015 30A/15A ACCL WITH GEN START/STOP SPN 30 (6000 W) SPN 20 (4000W) DHACWSN3020 30A/20A ACCL WITH GEN START/STOP ACCL Havells India Ltd. Sector-126. Corp Office: QRG Towers. Expressway. www.8 63 Front view Side view Price List Mains Rating Gen Rating Product Code Description SPN 30 (6000 W) SPN 1. 1800 103 1313 (All Connections) Join us on Facebook at www.: 1800 11 0303 (Tollfree). Noida-201304 (U.com/havells and share your ways to save the planet! SWI/ZHDLE00012/JUL11/APR12 ACCL with Generator ON/OFF .havells.com Consumer Care No. when in sleep mode • Mode selection feature i.e automatic or manual • Automatic generator on/off facility (on special demand) .Introducing Three Phase Automatic Changeover with Current Limiter (TPN ACCL) The Intelligent start-up solution Features • Microcontroller based automatic changeover with isolated neutral • Current limitation on generator side • Operational status indication through membrane keypad • Manual reset provision for restoring supply. commercial complexes. Rated current (In) Dimensions .4 Kg 260 x 243 x 115 mm3 260 x 243 x 150 mm3 383 x 333 x 150 mm3 Havells TPN ACCL is a fully automatic high precision microcontroller based device and is ideally suited for proper/efficient utilization of standby generator used in multi-storied apartments. mode of operation (auto/manual) Pollution Degree II Conditional Short Circuit Current 5kA Without AGS (automatic generator start feature): • When the mains supply goes OFF. if the consumer does not switch off the nonessential loads to reduce it to within the limit. the TPN ACCL will automatically senses and actuates the inbuilt changeover mechanism to the generator supply. When the Mains supply fails With AGS (automatic generator start feature): • TPN ACCL provides signaling through a potential free contact for starting the Generator. supply to the load is automatically disconnected after 5 cycles of interruption. Load. Transfer Time 8-12 sec Restoring Time 2-4 sec Rated Impulse Voltage (Uimp) 6kV Utilization Category AC 31A Class of Equipment PC Environment B Indication Mains. When Mains supply is restored • As soon as the main supply restores. When the Mains Supply is available: Automatic mode: • The TPN ACCL allows full load current on each phase when all the 3 phases of mains supply is available. Ambient Temp.5 Kg / 9. etc. TPN ACCL will automatically senses and actuates the inbuilt changeover mechanism to the generator supply. • With AGS. of Poles Rated voltage (Ue) 3P+N 40A/63A/100A on mains. If the load exceeds the allowable limit.B). But if R phase fails. the load is automatically transferred to the mains supply after a delay of 2-4 sec. . The overloaded phase will be indicated through LED. This further necessitates the automation. • In an unlikely event. this will not only create the hindrance in important activities but it may also damage the device or machine from human error during the changeover.5 to + 55 ˚C Electrical Life 6000 operations Mounting Surface mounting Mounting Position Vertical Terminal Capacity 16 mm2 / 35 mm2 Duty Uninterrupted Weight 4. TPN ACCL will give a pre-trip indication and after a delay of 5 second. a consumer is automatically connected to the generator in case generator supply is available. TPN ACCL itself generates the signal to automatically stop the generator Technical Specifications Standard Conformity IEC 60947-6-1 No. 2. TPN ACCL will trip and goes on hold. Generator. Overload (R. After a predetermined time delay (say 8 sec). the consumer is expected to switch off the non-essential loads and reduce it within the limit. Manual mode: • If R phase is available. to back up the utility supply. Most of the Residential & commercial processes are dependent on power supply & if the process of changeover is manual. it will again check the connected load and gives the supply if the load is under the allowable limit. During this period. The Power instability in developing countries along with the inefficient rationalized power distribution creates a need for the alternative source of power. in the distribution system as the rate of power outage & low voltage output becomes predominantly high.Y. • The TPN ACCL has a current limiting feature on the generator side. Note: It is recomended to connect all essential load to R phase. and when any one of the phase fails. 10-100A on generator 415 / 220 Vac Functions Rated frequency 50 Hz 1. it will countinue to run the load on main supply irrespective of the availability of other phases.Three Phase Automatic Changeover with Current Limiter (TPN ACCL) • The supply from mains to the load can be restored only after pressing the Reset button present in the front of TPN ACCL. after a time delay of 8-12 seconds in order to limit the sudden load on the generator. 3. ACCL TPN/SPN Wiring Arrangement during Installation In TPN/SPN.100A MCB or fuse for 100A TPN ACCL Load ACCL TPN/TPN Wiring Arrangement during Installation In TPN/TPN. Generator Auto GEN start control unit Main supply R Y B N L N SCPD 1 SCPD 2 R Y B N R Y B N L N X1 X2 MAINS LOAD GEN IGN MCB/RCCB * SCPD can be .40A MCB or fuse for 40A TPN ACCL . Generator Auto GEN start control unit Main supply R Y B N SCPD 1 R Y B N R Y B N R Y B N R Y B N X1 X2 MAINS LOAD MCB/RCCB * SCPD can be . the ACCL will restrict the load if the cumulative current of all the 3 phases (ie R+Y+B) exceeds rated generator current.100A MCB or fuse for 100A TPN ACCL Load GEN IGN SCPD 2 .63A MCB or fuse for 63A TPN ACCL . the ACCL will restrict the load if the current in any of the phase (ie R or Y or B) exceeds rated generator current.40A MCB or fuse for 40A TPN ACCL .63A MCB or fuse for 63A TPN ACCL . ACCL Feature Benefits of Havells TPN ACCL Features Mode Selection Separate LED indication for individual overloaded phase Local reset facility Advantage of Havells TPN ACCL Other Competitor Products can be operated in two different modes ie automatic or manual as per customer requirement not provided customer immediately comes to know the overloaded phase & can easily reduce the load running on that phase not available reset button provided.415 Vac 150 . so no extra switch required for restoring supply extra switching device required for restoring supply 6kV not mentioned provided not provided as per IEC 60947-6-1 no marking on the product 5kA not mentioned 150 .360 Vac available (on special demand) not available Rated impluse voltage Pre-trip LED indication under overload condition Standard conformity Conditional short circuit Current Operating range Automatic gen ON/OFF Dimension (in mm) B C E D A Side Rating Front A B C D E 40A TPN ACCL 115 243 205 224 260 63A TPN ACCL 150 243 205 224 260 100A TPN ACCL 150 333 293 337 383 . No. Expressway.P). Cat. Corp Office: QRG Towers. 011-4166 0303 (Landline). with GEN Start/Stop 40A/20A TPN/TPN ACCL DHACOTT4020 DHACWTT4020 25A 40A/25A TPN/TPN ACCL DHACOTT4025 DHACWTT4025 30A 40A/30A TPN/TPN ACCL DHACOTT4030 DHACWTT4030 40A 40A/40A TPN/TPN ACCL DHACOTT4040 DHACWTT4040 20A 63A/20A TPN/TPN ACCL DHACOTT6320 DHACWTT6320 25A 63A/25A TPN/TPN ACCL DHACOTT6325 DHACWTT6325 30A 63A/30A TPN/TPN ACCL DHACOTT6330 DHACWTT6330 40A 63A/40A TPN/TPN ACCL DHACOTT6340 DHACWTT6340 SWI/ZHDLE00015/SEP11/APR12 Description 20A Havells India Ltd.com/havells and share your ways to save the planet! . No. No. No. with GEN Start/Stop DHACWTN4020 25A 40A/25A TPN/SPN ACCL DHACOTN4025 DHACWTN4025 30A 40A/30A TPN/SPN ACCL DHACOTN4030 DHACWTN4030 40A 40A/40A TPN/SPN ACCL DHACOTN4040 DHACWTN4040 20A 63A/20A TPN/SPN ACCL DHACOTN6320 DHACWTN6320 25A 63A/25A TPN/SPN ACCL DHACOTN6325 DHACWTN6325 30A 63A/30A TPN/SPN ACCL DHACOTN6330 DHACWTN6330 40A 63A/40A TPN/SPN ACCL DHACOTN6340 DHACWTN6340 TPN ACCL (TPN/TPN) (Automatic Source Changeover with Current Limiter) Gen Rating Cat.com Consumer Care No. Noida-201304 (U. +91-120-4771000. 1800 103 1313 (All Connections) Join us on Facebook at www.TPN ACCL TPN ACCL (TPN/SPN) (Automatic Source Changeover with Current Limiter) Description Cat.com. Sector-126. www. Ph.facebook.havells. 20A Gen Rating 40A/20A TPN/SPN ACCL DHACOTN4020 Cat. Email: marketing@havells.: 1800 11 0303 (Tollfree). 2D.