Technical information

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1SDC210033D0202
Wiring Diagrams of the accessories
S75I/1..4 = Contacts for electrical signalling of circuit-breaker in connected position (only provided with plug-in
or withdrawable version circuit-breakers)
S75E/1-2 = Contacts for electrical signalling of circuit-breaker in racked-out position (only provided with with-
drawable version circuit-breakers)
V1 = Circuit-breaker applications
V4 = Indicative apparatus and connections for control and signalling, outside the circuit-breaker
WI = Serial interface with the trip unit accessories
X3 = Connector of the circuit for the 24V auxiliary power supply unit
XD.. = Nine-way connector for the auxiliary circuits of the plug-in version circuit-breaker
XV = Terminal boxes of the circuit-breaker applications
A18 = 24V auxiliary power supply unit (see note E)
XH1 = Electronic trip unit contacts