ABB SACE Tmax XT7 - Page 10

7 Wiring diagram - XT7M
Open/closed aux.contacts
of circuit-breaker
First opening coil
Closing coil
Second opening coil or
undervoltage coil
Ready to close contact
Signalling modules
and/or
and/or
and/or
and/or
Temperature monitoring modules
Ekip synchro check
Communication modules
Redundant communication
modules
Current sensor input on
external neutral
Zone selectivity
RC residual current protection
sensor input
Transformer star centre
sensor input
Ekip measuring voltage
sockets
Protection relay tripped
signalling contact
YP reset trip coil S51
Closing springs loading motor
Contact for signalling position
of loaded springs
ModuleModule
Auxiliary supply and Local Bus