Installation guide

C-3
Electrical diagrams
Source-changeover system without automatic-control system
Without auxiliaries for emergency off Local reset
DB101686
DB101659
Voluntary remote reset
DB101660
Automatic reset
ATTENTION
(1) Prefabricated wiring: cannot be modied.
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
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.
Remote-operated
source-changeover systems
2 Compact NS100/630 devices
Diagram no. 51201177
Livre 1.indb 3 08/10/2008 18:39:39