WIRING DIAGRAMS
3/5
S75E/1-2 = Contacts for signaling circuit-breaker in withdrawn position (only applicable to withdrawable circuit-breaker versions) S75l/1-2-5 = Contacts for signaling circuit-breaker in
W9R...12R = Connector RJ45 for redundant communication modules X3-X4-X8 = Protection relay connectors X41
= Connector of current circuit for external neutral = Three-way connector for auxiliary circuits of plug-in circuit-breaker = Six-way connector for auxiliary circuits of plug-in circuit-breaker
racked-in position (only applicable to withdrawable or plug-in circuit-breaker versions) = Contact for electrical signaling of residual current relay prealarm = Contact for electrical signaling of residual current relay alarm = Contact for electrical signaling of circuit-breaker open due to residual current relay trip = Pushbutton or contact for closing the circuit-breaker
XB..
S87/1
XC..
S87/2
XC2-3 = Six-way connector for auxiliary circuits of plug-in circuit-breaker for voltage up to 400V XCT1-2 = Terminal box of Ekip DIN Rail Cartridge Basic or Ekip DIN Rail Cartridge XD.. = Nine-way connector for auxiliary circuits of plug-in circuit-breaker
S87/3
SC
SC3
= Motor start pushbutton = Residual current relay supply disconnector
XE..
= Fifteen-way connector for auxiliary circuits of plug-in circuit-breaker = Ekip Com type interface unit connector = Protection relay connector = Protection relay connector = Connector of contact S75l/5 = MOE-E actuator unit connector = Terminal box of circuit-breaker applications = Closing coil of stored energy motor operator
SD
XF..
SO
= Pushbutton or contact for opening circuit-breaker
XG
XH1 XK7
SO3
= Motor stop pushbutton
SR = Electrical reset pushbutton or contact SY/1...3 = Contacts for signaling circuit-breaker
XM XV
open due to tripped overcurrent protection relay, thermomagnetic release and coils Y0, YOi, Y02, YU (tripped position)
YC
YO
= Opening coil
Tl = Toroidal current transformer Tl/L1-L2-L3 = L1-L2-L3 phase current transformer Tl/N = Current transformer on neutral TU2 = Insulation voltage transformer (outside circuit-breaker) Uaux = Auxiliary supply voltage V1 = Circuit-breaker applications V2 = Motor operator applications V4 = Indicative switchgear and connections for operation and signaling, outside circuit-breaker V5 = Ekip DIN Rail Cartridge Basic or Ekip DIN Rail Cartridge applications W2 = Serial interface with internal bus (local bus) W9...14 = Connector RJ45 for interface unit and for communication modules
YO1 YO2
= Coil for opening due to overcurrent = Opening coil of residual current relay
YU
= Undervoltage coil
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