Signal Auxiliary contact AK-250/400A

Signal auxiliary contact AK is intended for giving out a signal when a circuit breaker actuates from: – overcurrent (overload or short circuit); – shunt trip; – undervoltage trip; – "TEST" button. When the main contacts return to "switch on" position, the signal turns off.Remote alarm notification and status monitoring.Device fitting: EV000646 Additional equipment: EV009833 Assembly width (TE): - Number of normally open contacts: 0 Number of normally closed contacts: 0 Number of change-over contacts: 1 Number of contacts as change-over contact: 1 Number of fault-signal switches: 0 Rated switch current: 400 Control voltage type: EV000460 Nominal rated voltage: 230/400 Nominal voltage DC: 220 Voltage type: EV000509 Compliance with current breakers: ВА88-35/37 Nominal operating current for 230V AC: 2 Nominal operating current for 400V AC: 2 Nominal operating current for 220V AC: 0,2 Conventional thermal current : 2