Specifications

67
Electrical diagrams
Remote-operated
source-changeover systems 0
2 Compact NS630b/1600 devices
Diagram no. 51201183
Electrical interlocking by IVE
DB112554
ATTENTION
(1) Not to be wired on fixed version.
(2) Prefabricated wiring supplied.
The diagram shows the electrical wiring for circuit breakers.
When wiring the SDE with switch-disconnectors, connect
wire BK to terminal 82.
Legends
QN “Normal” source Compact NS630b to 1600
QR “Replacement” source Compact NS NS630b to 1600
OF... 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 (0.25 second delay)
FR “Replacement” source closing order (0.25 second delay)
MT Motor Mechanism
States permitted by mechanical interlocking system
Normal Replacement
00
10
01
Note:
after a fault trip, the breaker must be reset manually by pressing
its reset button.
Diagram shown with circuit breakers in connected position, open,
charged, and ready to close.
Auxiliary power supply = supply voltage of auxiliary relays (KA...)
= supply voltage of electrical auxiliaries (electrical operation,
MCH, MX, MN...).
Wiring colour codes
RD GN BK VT YE GY WH BN
red green black violet yellow grey white brown