Siemens SENTRON 3VL160X System Manual page 297

Control with undervoltage release
S0
S01
S2
K1
PE
S1
-F1
-F2
U<
Figure 13-4
Note
Switching the circuit breaker off automatically
A separate alarm switch contact (7-8) can be connected for switching off the circuit breaker
automatically. Automatic switching on of the molded case circuit breaker must be prevented,
otherwise after a tripping event it may automatically switch to short-circuit.
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
OFF (to be provided by customer)
Remote command (to be provided by customer)
Alarm switch (to be provided by customer)
Auxiliary contactor (to be provided by customer)
Protective grounding
ON (to be provided by customer)
Fuse in the control circuit
Fuse in the control circuit
Undervoltage release
Motorized operating mechanism without stored energy mechanism for VL160X to
VL1600 with undervoltage release
Circuit diagrams
297