Source-changeover systemsElectrical diagrams Presentation Functions and characteristics Dimensions 2 7 37 Remote-operated source-changeover systems 2 Compact NS100/1600 or Masterpact NT/NW devices 2 Compact NS100/630 devices 2 Compact NS630b/1600 devices 2 Masterpact NT or NW devices 3 Masterpact NW devices 60 60 61 64 72 82 Source-changeover systems with automatic controllers 2 Compact NS100/1600 or Masterpact NT/NW devices 2 Masterpact NT or NW devices Catalogue numbers and order forms 91 91 94 95 59 Electrical diagrams Remote-operated source-changeover systems 2 Compact NS100/1600 or Masterpact NT/NW devices 0 Electrical interlocking by the IVE unit Recommended electrical control system DB101689 (1) The “normal” and “replacement” source transfer orders must be interlocked electrically. (2) Operating diagram: the SDE “fault-trip” signals are transmitted to the IVE unit. The SDE auxiliary contacts are mounted in the circuit breakers. Legends ON "Normal” source opening order OR "Replacement” source opening order FN "Normal” source closing order FR “Replacement” source closing order L1 “Normal” source “fault-trip” signal L2 “Replacement” source “fault-trip” signal N “Normal” source auxiliary wiring connector R “Replacement” source auxiliary wiring connector Note: diagram shown with circuits de-energised, circuit breakers open and relays in normal position. 60 Electrical diagrams Remote-operated source-changeover systems 2 Compact NS100/630 devices Diagram no. 51201177 0 Source-changeover system without automatic-control system Without auxiliaries for emergency off DB101686 DB101659 Local reset Voluntary remote reset DB101660 Automatic reset ATTENTION The diagram shows the electrical wiring for circuit breakers. When wiring the SDE with switch-disconnectors, reverse the wires connected to terminals 82 and 84. Legends QN Normal” source Compact NS equipped with motor mechanism QR “Replacement” source Compact NS equipped with motor mechanism SDE “fault-trip” indication contact IVE electrical interlocking and terminal block unit MT motor mechanism OF2 breaker ON/OFF indication contact RN reset order for breaker QN RR reset order for breaker QR (1) Prefabricated wiring: cannot be modified. States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuits de-energised, circuit breakers open and relays in normal position. 61 circuit breakers open and relays in normal position. the breaker must be reset manually by pressing its reset button. Legends QN Normal” source Compact NS equipped with motor mechanism QR "Replacement” source Compact NS equipped with motor mechanism MN undervoltage release OF2 breaker ON/OFF indication contact SDE “fault-trip” indication contact MT motor mechanism IVE electrical interlocking and terminal block unit BP emergency off button with latching KA3 auxiliary relay F1 auxiliary power supply circuit breaker States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. (1) Prefabricated wiring supplied. When wiring the SDE with switch-disconnectors. 62 . 51201178 0 Source-changeover system without automatic-control system With emergency off by MN release and automatic reset DB112553 Automatic reset ATTENTION The diagram shows the electrical wiring for circuit breakers. Diagram shown with circuits de-energised.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS100/630 devices Diagram no. reverse the wires connected to terminals 82 and 84. (2) Independent auxiliary source. 51201179 0 Source-changeover system without automatic-control system With emergency off by MX release and automatic reset DB101691 Automatic reset ATTENTION The diagram shows the electrical wiring for circuit breakers. In this case. the breaker must be reset manually by pressing its reset button.3 seconds. (3) The reset orders must be delayed by 0. reverse the wires connected to terminals 82 and 84. 63 . circuit breakers open and relays in normal position. Diagram shown with circuits de-energised. Legends QN “Normal” source Compact NS equipped with motor mechanism QR “Replacement” source Compact NS equipped with motor mechanism SDE “fault-trip” indication contact OF2 breaker ON/OFF indication contact MX shunt release MT motor mechanism IVE electrical interlocking and terminal block unit KA1 time-delayed auxiliary relays KA2 time-delayed auxiliary relays F1 auxiliary power supply circuit breaker F2 auxiliary power supply circuit breaker (1) Prefabricated wiring supplied (2) This source can be: # the source present in the case of voltage monitoring # an independent source.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS100/630 devices Diagram no. States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. When wiring the SDE with switch-disconnectors. the MX release must be protected. .) = supply voltage of electrical auxiliaries (electrical operation. the breaker must be reset manually by pressing its reset button. When wiring the SDE with switch-disconnectors.. 51201180 0 Electrical interlocking DB101693 ATTENTION The diagram shows the electrical wiring for circuit breakers. States permitted by mechanical interlocking system Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF.25 second delay) FR “Replacement” source closing order (0.. Diagram shown with circuit breakers in connected position. open. and ready to close.. charged. MN. (1) Not to be wired on fixed version. MCH.. MX. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. connect the SDE to terminals 81 and 84.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no.).25 second delay) MT Motor Mechanism Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. 64 . Auxiliary power supply = supply voltage of auxiliary relays (KA.. ) = supply voltage of electrical auxiliaries (electrical operation. 51201181 0 Electrical interlocking with emergency off by shunt release DB101695 ATTENTION The diagram shows the electrical wiring for circuit breakers. open.. the breaker must be reset manually by pressing its reset button. and ready to close. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF.. Auxiliary power supply = supply voltage of auxiliary relays (KA.. 65 . Diagram shown with circuit breakers in connected position. MCH. charged.. (1) Not to be wired on fixed version. MX. When wiring the SDE with switch-disconnectors.25 second delay) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. connect the SDE to terminals 81 and 84. MN..Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no.25 second delay) FR “Replacement” source closing order (0.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker MX shunt release BP emergency off button with latching KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0.). breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker MN undervoltage release BP emergency off button with latching KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. Diagram shown with circuit breakers in connected position. MCH.). When wiring the SDE with switch-disconnectors. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF.25 second delay) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip.25 second delay) FR "Replacement” source closing order (0.. charged. MN. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 66 .. connect the SDE to terminals 81 and 84. open.. Auxiliary power supply = supply voltage of auxiliary relays (KA.) = supply voltage of electrical auxiliaries (electrical operation.. (1) Not to be wired on fixed version.. the breaker must be reset manually by pressing its reset button. 51201182 0 Electrical interlocking with emergency off by undervoltage DB101697 ATTENTION The diagram shows the electrical wiring for circuit breakers.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no.. and ready to close. MX. When wiring the SDE with switch-disconnectors.. Auxiliary power supply = supply voltage of auxiliary relays (KA. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 67 . MX. MCH. connect wire BK to terminal 82. Diagram shown with circuit breakers in connected position. MN. open. the breaker must be reset manually by pressing its reset button..). 51201183 0 Electrical interlocking by IVE DB112554 ATTENTION The diagram shows the electrical wiring for circuit breakers.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker IVE electrical interlocking and terminal block unit ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. and ready to close. (1) Not to be wired on fixed version. charged. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF... (2) Prefabricated wiring supplied..) = supply voltage of electrical auxiliaries (electrical operation..25 second delay) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip.25 second delay) FR “Replacement” source closing order (0. 25 second delay) FR “Replacement” source closing order (0.. Auxiliary power supply = supply voltage of auxiliary relays (KA.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no. (1) Not to be wired on fixed version. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF. MN. Diagram shown with circuit breakers in connected position.. When wiring the SDE with switch-disconnectors..) = supply voltage of electrical auxiliaries (electrical operation. 51201184 0 Electrical interlocking by IVE with emergency off by shunt release DB112555 ATTENTION The diagram shows the electrical wiring for circuit breakers. charged.). and ready to close.. connect wire BK to terminal 82.25 second delay) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker IVE electrical interlocking and terminal block unit MX shunt release BP emergency off button with latching KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. open. (2) Prefabricated wiring supplied... MCH. MX. the breaker must be reset manually by pressing its reset button. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 68 . .) = supply voltage of electrical auxiliaries (electrical operation. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 69 . (2) Prefabricated wiring supplied. MN. 51201185 0 Electrical interlocking by IVE with emergency off by undervoltage release DB112556 ATTENTION The diagram shows the electrical wiring for circuit breakers. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker IVE electrical interlocking and terminal block unit MN undervoltage release BP emergency off button with latching KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0..25 second delay) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 MCH spring-charging motor MX standard opening release XF standard closing release OF. (1) Not to be wired on fixed version. charged. connect wire BK to terminal 82. open. and ready to close..). the breaker must be reset manually by pressing its reset button. MX. Diagram shown with circuit breakers in connected position. When wiring the SDE with switch-disconnectors.. Auxiliary power supply = supply voltage of auxiliary relays (KA.. MCH..25 second delay) FR “Replacement” source closing order (0. .. 70 . connect the SDE to terminals 81 and 84. MX. When wiring the SDE with switch-disconnectors. charged..) = supply voltage of electrical auxiliaries (electrical operation. open.. the breaker must be reset manually by pressing its reset button. MN. (1) Not to be wired on fixed version.25 second delay (for transfer to “Normal” source) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip.).UR presence detection KM1 contactors with 0.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no.. 51201186 0 Automatic-control system without IVE for permanent replacement source DB101705 ATTENTION The diagram shows the electrical wiring for circuit breakers. and ready to close. Diagram shown with circuit breakers in connected position. Auxiliary power supply = supply voltage of auxiliary relays (KA. Legends QN Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF. MCH. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relays .UN presence detection KA2 auxiliary relays ..25 second delay (for transfer to “Replacement” source) KM2 contactors with 0. MN.).25 second delay (for transfer to “Normal” source) MT Motor Mechanism States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: after a fault trip. and ready to close. (1) Not to be wired on fixed version.) = supply voltage of electrical auxiliaries (electrical operation.Electrical diagrams Remote-operated source-changeover systems 2 Compact NS630b/1600 devices Diagram no..25 second delay (for transfer to “Replacement” source) KM2 contactors with 0.. 51201187 0 Automatic-control system for replacement source generator set DB101707 ATTENTION The diagram shows the electrical wiring for circuit breakers. connect the SDE to terminals 81 and 84.. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 71 . MX. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact CE1 “connected-position” indication contact (carriage switch) F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relays . Auxiliary power supply = supply voltage of auxiliary relays (KA. open.generator set startup if UN absent KM1 contactors with 0.. the breaker must be reset manually by pressing its reset button.. MCH.UR presence detection KA3 auxiliary relays .UN presence detection KA2 auxiliary relays .. Legends QN “Normal” source Compact NS630b to 1600 QR “Replacement” source Compact NS NS630b to 1600 OF. Diagram shown with circuit breakers in connected position. When wiring the SDE with switch-disconnectors. charged. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. MCH.. 51201139 0 Electrical interlocking with lockout after a fault DB101709 ATTENTION The diagram shows the electrical wiring for circuit breakers.25 second delay) FR “Replacement” source closing order (0.).. Auxiliary power supply = supply voltage of auxiliary relays (KA. (1) Not to be wired on fixed version. open.. 72 . and ready to close.25 second delay) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position. connect the SDE to terminals 81 and 84. MX.. MN..) = supply voltage of electrical auxiliaries (electrical operation.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. When wiring the SDE with switch-disconnectors.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. charged. MCH. When wiring the SDE with switch-disconnectors. Legends KA3 time delay for genset startup order to avoid starting the genset for transient UN disturbances QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.. MN. connect the SDE to terminals 81 and 84. and ready to close.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no... 51201140 0 Electrical interlocking with lockout after a fault and emergency off by shunt release DB101711 ATTENTION The diagram shows the electrical wiring for circuit breakers.. MX. 73 . breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker MX2 shunt release BP emergency off button with latching ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. (1) Not to be wired on fixed version. open.25 second delay) BP emergency off button with latching States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position. charged. Auxiliary power supply = supply voltage of auxiliary relays (KA.).25 second delay) FR “Replacement” source closing order (0...) = supply voltage of electrical auxiliaries (electrical operation. 25 second delay) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position.. When wiring the SDE with switch-disconnectors. open.) = supply voltage of electrical auxiliaries (electrical operation.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. (1) Not to be wired on fixed version. charged.). Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release MN undervoltage release OF.. MX. MCH... 74 .. and ready to close.25 second delay) FR “Replacement” source closing order (0. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker BP emergency off button with latching S1 control switches KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. MN. connect the SDE to terminals 81 and 84. 51201141 0 Electrical interlocking with lockout after a fault and emergency off by undervoltage release DB101713 ATTENTION The diagram shows the electrical wiring for circuit breakers.. Auxiliary power supply = supply voltage of auxiliary relays (KA. ) = supply voltage of electrical auxiliaries (electrical operation. 51201142 0 Electrical interlocking by IVE with lockout after a fault DB101715 ATTENTION The diagram shows the electrical wiring for circuit breakers... Auxiliary power supply = supply voltage of auxiliary relays (KA.. MN. connect wire BK to terminal 82. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit F1 auxiliary power supply circuit breaker ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. MCH. When wiring the SDE with switch-disconnectors.25 second delay) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position. open.)..25 second delay) FR “Replacement” source closing order (0. charged.. (2) Not to be wired on fixed version. Legends QN "Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. (1) Not to be wired for the “without lockout after a fault” solution.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. MX. (3) Prefabricated wiring supplied. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 75 . and ready to close.. . MN. and ready to close.) = supply voltage of electrical auxiliaries (electrical operation. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. MX. connect wire BK to terminal 82.25 second delay) FR “Replacement” source closing order (0. (1) Not to be wired for the “without lockout after a fault” solution. open..). MCH. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 76 .. (2) Not to be wired on fixed version. When wiring the SDE with switch-disconnectors. Auxiliary power supply = supply voltage of auxiliary relays (KA.25 second delay) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position.. (3) Prefabricated wiring supplied. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit F1 auxiliary power supply circuit breaker BP emergency off button with latching KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0.. 51201143 0 Electrical interlocking by IVE with lockout after a fault and emergency off by shunt release DB101717 ATTENTION The diagram shows the electrical wiring for circuit breakers. charged..Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. (3) Prefabricated wiring supplied. and ready to close.25 second delay) FR “Replacement” source closing order (0. MN.. MX. MCH. Auxiliary power supply = supply voltage of auxiliary relays (KA.). Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 77 . charged. connect wire BK to terminal 82. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release MN undervoltage release OF.) = supply voltage of electrical auxiliaries (electrical operation.25 second delay) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position.. open... When wiring the SDE with switch-disconnectors. 51201144 0 Electrical interlocking by IVE with lockout after a fault and emergency off by undervoltage release DB101719 ATTENTION The diagram shows the electrical wiring for circuit breakers.. (2) Not to be wired on fixed version. (1) Not to be wired for the “without lockout after a fault” solution.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit F1 auxiliary power supply circuit breaker BP emergency off button with latching S1 control switches KA3 auxiliary relay ON “Normal” source opening order OR “Replacement” source opening order FN “Normal” source closing order (0. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.. MX.).UN presence detection KA2 auxiliary relays .UR presence detection KM1 contactors with 0.. connect the SDE to terminals 81 and 84. charged.. MCH.. (1) Not to be wired on fixed version.25 second delay (for transfer to “Normal” source) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position. Auxiliary power supply = supply voltage of auxiliary relays (KA. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relays . open. and ready to close. When wiring the SDE with switch-disconnectors. MN..25 second delay (for transfer to “Replacement” source) KM2 contactors with 0.) = supply voltage of electrical auxiliaries (electrical operation. 78 ..Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. 51156226 0 Automatic-control system without IVE for permanent replacement source with lockout after a fault DB101721 ATTENTION The diagram shows the electrical wiring for circuit breakers. UN presence detection KA2 auxiliary relays . Auxiliary power supply = supply voltage of auxiliary relays (KA.) = supply voltage of electrical auxiliaries (electrical operation..generator set startup if UN absent KM1 contactors with 0. MCH. 51156227 0 Automatic-control system for replacement source generator set with lockout after a fault DB101723 ATTENTION The diagram shows the electrical wiring for circuit breakers. MN.... open. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.. MX. (1) Not to be wired on fixed version. connect the SDE to terminals 81 and 84.25 second delay (for transfer to “Replacement” source) KM2 contactors with 0. charged.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no.25 second delay (for transfer to “Normal” source) States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position..UR presence detection KA3 auxiliary relays . 79 . and ready to close. When wiring the SDE with switch-disconnectors.). breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relays . When wiring the SDE with switch-disconnectors. MN.). 51156904 0 Automatic-control system for permanent replacement source with lockout after a fault (with MN) DB112557 ATTENTION The diagram shows the electrical wiring for circuit breakers... charged. open.. (2) Not to be wired on fixed version. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit F1 auxiliary power supply circuit breaker F2 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relays KA2 auxiliary relays KA3 auxiliary relays States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position.) = supply voltage of electrical auxiliaries (electrical operation. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor XF standard closing voltage release MN undervoltage release OF. MCH.Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no.. MX. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 80 . (3) Prefabricated wiring supplied. and ready to close.. Auxiliary power supply = supply voltage of auxiliary relays (KA. (1) Not to be wired for the “without lockout after a fault” solution. connect wire BK to terminal 82.. ) = supply voltage of electrical auxiliaries (electrical operation. (3) Prefabricated wiring supplied. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 81 . (1) Not to be wired for the “without lockout after a fault” solution. open. and ready to close.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit F1 auxiliary power supply circuit breaker F2 circuit breaker (high breaking capacity) S1 control switches KA1 auxiliary relay KA2 time delay for genset startup order to avoid starting the genset for transient UN disturbances KA3 auxiliary relay States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position.).Electrical diagrams Remote-operated source-changeover systems 2 Masterpact NT or NW devices Diagram no. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor XF standard closing voltage release MN undervoltage release OF... MCH. (2) Not to be wired on fixed version. MN.. connect wire BK to terminal 82. Auxiliary power supply = supply voltage of auxiliary relays (KA. MX.. charged. 51156905 0 Automatic-control system for replacement source generator set with lockout after a fault (with MN) DB112558 ATTENTION The diagram shows the electrical wiring for circuit breakers.. When wiring the SDE with switch-disconnectors. MCH.).) = supply voltage of electrical auxiliaries (electrical operation. minimum) t2 order for transfer from “N1 + N2”to “R” (QR closing time delay = 0..25 sec. 82 . MN. minimum) States permitted by mechanical interlocking system Normal 1 Normal 2 Replacement 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 Note: diagram shown with circuit breakers in connected position. and ready to close.25 sec... breaker ON/OFF indication contact PF “ready-to-close” contact CE “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker t1 order for transfer from “R” to “N1 + N2” (QN1 and QN2 closing time delay = 0. “Normal” source Masterpact NW QR “Replacement” source Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no. MX.. 51156906 0 2 Normal sources and 1 Replacement source: electrical interlocking without lockout after a fault DB101734 Legends QN.. Auxiliary power supply = supply voltage of auxiliary relays (KA... open. charged.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker S1 control switches S2 source selection switches t1 order for transfer from “R” to “N1 + N2” (QN1 and QN2 closing time delay = 0.) = supply voltage of electrical auxiliaries (electrical operation. 51156907 0 2 Normal sources and 1 Replacement source: electrical interlocking with lockout after a fault DB101766 ATTENTION The diagram shows the electrical wiring for circuit breakers. connect the SDE to terminals 81 and 84.. MCH. MN.... minimum) t2 order for transfer from “N1 + N2”to “R” (QR closing time delay = 0. MX. open. When wiring the SDE with switch-disconnectors. and ready to close. Auxiliary power supply = supply voltage of auxiliary relays (KA..).. Legends QN. 83 ...25 sec. charged.Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no. minimumm) States permitted by mechanical interlocking system Normal 1 Normal 2 Replacement 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 Note: diagram shown with circuit breakers in connected position. “Normal” source Masterpact NW QR “Replacement” source Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.25 sec. 25 sec. time delay KA3 auxiliary relays with 0.25 sec.. time delay KA6 auxiliary relays with 0. MN.)... charged.. MCH. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches S2 source selection switches KA1 auxiliary relay KA2 auxiliary relays with 10 to 180 sec.. 51156908 0 2 Normal sources and 1 Replacement source: automatic-control system for generator set without lockout after a fault (with MN) DB101737 Legends QN.. MX. time delay States permitted by mechanical interlocking system and with associated automatism Normal 1 Normal 2 Replacement 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 Note: diagram shown with circuit breakers in connected position..1 to 30 sec. 84 . time delay KA4 auxiliary relay KA5 auxiliary relays with 0. Auxiliary power supply = supply voltage of auxiliary relays (KA.) = supply voltage of electrical auxiliaries (electrical operation. open. and ready to close. breaker ON/OFF indication contact PF “ready-to-close” contact CE.. “Normal” source Masterpact NW QR “Replacement” source Masterpact NW MCH spring-charging motor XF standard closing voltage release MN undervoltage release OF..Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no.. . and ready to close... Auxiliary power supply = supply voltage of auxiliary relays (KA.. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches S2 source selection switches KA1 auxiliary relay KA2 auxiliary relays with 10 to 180 sec. MCH. time delay KA3 auxiliary relays with 0.25 sec.25 sec. When wiring the SDE with switch-disconnectors.Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no.1 to 30 sec.).) = supply voltage of electrical auxiliaries (electrical operation.. Legends QN.... open.. MX. “Normal” source Masterpact NW QR “Replacement” source Masterpact NW MCH spring-charging motor XF standard closing voltage release MN undervoltage release OF. 51156909 0 2 Normal sources and 1 Replacement source: automatic-control system for generator set with lockout after a fault (with MN) DB101739 ATTENTION The diagram shows the electrical wiring for circuit breakers. MN. connect the SDE to terminals 81 and 84. 85 . breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE. charged. time delay KA6 auxiliary relays with 0. time delay KA4 auxiliary relay KA5 auxiliary relays with 0. time delay KA7 auxiliary relay KA8 auxiliary relay States permitted by mechanical interlocking system and with associated automatism Normal 1 Normal 2 Replacement 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 Note: diagram shown with circuit breakers in connected position.. Auxiliary power supply = supply voltage of auxiliary relays (KA. breaker ON/OFF indication contact PF “ready-to-close” contact CE. minimum) States permitted by mechanical interlocking system Source 1 Source 2 Source 3 0 0 0 1 0 0 0 1 0 0 0 1 Note: diagram shown with circuit breakers in connected position.25 sec...25 sec. 51156910 0 3 sources with only 1 device closed: electrical interlocking without lockout after a fault DB101741 Legends QS. minimum) t2 order for transfer to “Source 2” (QS2 closing time delay = 0.) = supply voltage of electrical auxiliaries (electrical operation. minimum) t3 order for transfer to “Source 3” (QS3 closing time delay = 0.25 sec. MN.. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker t1 order for transfer to “Source 1” (QS1 closing time delay = 0.).. and ready to close. charged...Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no..... 86 . MX. open. MCH. “Source” Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. MN. 87 . MCH.25 sec. and ready to close. open.... minimum) t3 order for transfer to “Source 3” (QS3 closing time delay = 0.. Legends QS. “Source” Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF.. Auxiliary power supply = supply voltage of auxiliary relays (KA. MX.)..Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no.25 sec. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE. minimum) KA1 auxiliary relays KA2 auxiliary relays KA3 auxiliary relays States permitted by mechanical interlocking system Source 1 Source 2 Source 3 0 0 0 1 0 0 0 1 0 0 0 1 Note: diagram shown with circuit breakers in connected position.. charged. 51156911 0 3 sources with only 1 device closed: electrical interlocking with lockout after a fault DB101743 ATTENTION The diagram shows the electrical wiring for circuit breakers...) = supply voltage of electrical auxiliaries (electrical operation. minimum) t2 order for transfer to “Source 2” (QS2 closing time delay = 0. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker t1 order for transfer to “Source 1” (QS1 closing time delay = 0.. connect the SDE to terminals 81 and 84.25 sec. When wiring the SDE with switch-disconnectors. minimum) t3 coupling order for “Source 1 restored” (QS1 closing time delay = 0.. minimum) t4 coupling order for “Source 2 restored “ (QS2 closing time delay = 0. open. MCH. 88 . minimum) States permitted by mechanical interlocking system Source 1 Source 2 Coupling 0 0 0 1 1 0 1 0 1 0 1 1 1 0 0 0 1 0 0 0 1 Note: diagram shown with circuit breakers in connected position. “Source” Masterpact NW QC “Coupling” Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. and ready to close... charged. breaker ON/OFF indication contact PF “ready-to-close” contact CE.Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no. MN..25 sec. minimum) t2 coupling order for “Source 2 failure” (QC closing time delay = 0..)...25 sec. Auxiliary power supply = supply voltage of auxiliary relays (KA. MX.25 sec...) = supply voltage of electrical auxiliaries (electrical operation. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker t1 coupling order for “Source 1 failure” (QC closing time delay = 0.. 51156912 0 2 sources and 1 coupling: electrical interlocking without lockout after a fault DB101745 Legends QS.25 sec. MX. MCH. 89 .Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no.25 sec..... “Source” Masterpact NW QC “Coupling” Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. minimum) KA1 auxiliary relays KA2 auxiliary relays KA3 auxiliary relays States permitted by mechanical interlocking system Source 1 Source 2 Coupling 0 0 0 1 1 0 1 0 1 0 1 1 1 0 0 0 1 0 0 0 1 Note: diagram shown with circuit breakers in connected position... “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker t1 coupling order for “Source 1 failure” (QC closing time delay = 0. and ready to close.).. connect the SDE to terminals 81 and 84. Auxiliary power supply = supply voltage of auxiliary relays (KA.. minimum) t4 coupling order for “Source 2 restored “ (QS2 closing time delay = 0. MN. minimum) t3 coupling order for “Source 1 restored” (QS1 closing time delay = 0.. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE. When wiring the SDE with switch-disconnectors. minimum) t2 coupling order for “Source 2 failure” (QC closing time delay = 0.25 sec. Legends QS.25 sec. charged. open. 51156913 0 2 sources and 1 coupling: electrical interlocking with lockout after a fault DB101747 ATTENTION The diagram shows the electrical wiring for circuit breakers.) = supply voltage of electrical auxiliaries (electrical operation.25 sec.. MCH..1 to 30 sec. breaker ON/OFF indication contact SDE1 “fault trip” indication contact PF “ready-to-close” contact CE. 90 . time delay KA5 auxiliary relays with 0. MX. time delay KA3 auxiliary relays with 10 to 180 sec. Legends QS. time delay States permitted by mechanical interlocking system and with associated automatism Source 1 Source 2 Coupling 0 0 0 1 1 0 1 0 1 0 1 1 1 0 0 0 1 0 0 0 1 Note: diagram shown with circuit breakers in connected position. “Source” Masterpact NW QC “Coupling” Masterpact NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. time delay KA4 auxiliary relays with 0..Electrical diagrams Remote-operated source-changeover systems 3 Masterpact NW devices Diagram no...25 sec. 51156914 0 2 sources and 1 coupling: automatic-control system with lockout after a fault DB101749 ATTENTION The diagram shows the electrical wiring for circuit breakers.) = supply voltage of electrical auxiliaries (electrical operation. charged.1 to 30 sec.. time delay KA7 auxiliary relays with 0... Auxiliary power supply = supply voltage of auxiliary relays (KA.25 sec. “connected-position” indication contact (carriage switch) CH “springs charged” indication contact F1 auxiliary power supply circuit breaker F2/F3 circuit breaker (high breaking capacity) S1 control switches S2 source selection switches KA1 auxiliary relays with 10 to 180 sec. time delay KA2 auxiliary relays with 0.. open. MN. connect the SDE to terminals 81 and 84. When wiring the SDE with switch-disconnectors.. time delay KA6 auxiliary relays with 0.25 sec.). and ready to close.. Electrical diagrams Source-changeover systems with automatic controllers 2 Compact NS100/1600 or Masterpact NT/NW devices Coupling 0 Source-changeover system with BA controller DB101751 DB101753 Transfer conditions DB101755 Terminals 20 and 21: additional control contact (not part of controller). 91 . Legends Q1 circuit breaker supplying and protecting the automaticcontrol circuits for the “Normal” source Q2 circuit breaker supplying and protecting the automaticcontrol circuits for the “Replacement” source ACP auxiliaries control plate BA automatic controller IVE electrical interlocking and terminal block unit Note: diagram shown with circuits de-energised. circuit breakers open and relays in normal position. Tests on “Normal” and “Replacement” source voltages The single-phase check for UN and UR is implemented across terminals 1 and 5 of circuit breakers Q1 and Q2. Legends Q1 circuit breaker supplying and protecting the automaticcontrol circuits for the “Normal” source Q2 circuit breaker supplying and protecting the automaticcontrol circuits for the “Replacement” source ACP auxiliaries control plate UA automatic controller IVE electrical interlocking and terminal block unit Note: diagram shown with circuits de-energised.Electrical diagrams Source-changeover systems with automatic controllers 2 Compact NS100/1600 or Masterpact NT/NW devices Load shedding and genset management 0 Source-changeover system with UA controller DB101757 DB101758 Transfer conditions DB101759 Terminals 20 and 21: additional control contact (not part of controller). Tests on “Normal” and “Replacement” source voltages “Normal” source voltage UN test DB101761 “Replacement” source voltage UR test The single-phase check for UR is implemented across terminals 1 and 5 of circuit breaker Q2. 92 . circuit breakers open and relays in normal position. B = 1 circuit breaker N remains closed. The address of the UA controller is set using the two BBus dials. After this time has elapsed. # maximum permissible genset startup time (T6) C = 0 T = 120 s. Voluntary transfert (e. for energy management) # action in the event of genset failure B = 0 circuit breaker N opens. A = 1 three-phase test.Electrical diagrams Source-changeover systems with automatic controllers 2 Compact NS100/1600 or Masterpact NT/NW devices Using communication functions DB101763 0 Controller settings DB101762 Tests on “Normal” source voltage A = 0 single-phase test. C = 1 T = 180 s.g. the genset is considered to have failed. 93 . . open. Legends QN “Normal” source Masterpact NT or NW QR “Replacement” source Masterpact NT or NW MCH spring-charging motor MX standard opening voltage release XF standard closing voltage release OF. breaker ON/OFF indication contact SDE1 “fault-trip” indication contact PF “ready-to-close” contact CE1 “connected-position” indication contact (carriage switch) CH “springs charged” indication contact IVE electrical interlocking and terminal block unit States permitted by mechanical interlocking system Normal Replacement 0 0 1 0 0 1 Note: diagram shown with circuit breakers in connected position. When wiring the SDE with switch-disconnectors. Wiring colour codes RD red GN green BK black VT violet YE GY yellow grey WH white BN brown 94 . (3) Prefabricated wiring supplied. connect wire BK to terminal 82. 51156903 0 Electrical interlocking with lockout after a fault DB101765 ATTENTION The diagram shows the electrical wiring for circuit breakers. (1) Not to be wired for the “without lockout after a fault” solution.Electrical diagrams Source-changeover systems with automatic controllers 2 Masterpact NT or NW devices Diagram no. and ready to close. (2) Not to be wired on fixed version. charged..
Report "Schneider - ATS Source Changeover System Ext"