Indication contacts
Provide remote circuit breaker status information.
They can be used for indications, electrical locking, relaying, etc.
Common-point changeover contacts.
Auxiliary switch (ON/OFF)
AX indicates the position of the circuit breaker contacts.
Alarm switch (trip indication)
1.AL indicates that the circuit breaker has tripped due to:
·an overload
·a short-circuit
·operation of a voltage release.
2.ALV indicates that the circuit breaker has tripped due to an of earth-leakage fault.
They return to de-energised state when the circuit breaker is reset.
