ABB HK400 10-L SA Auxiliary contactor terminal block 1 pc(s) 1 maker

The auxiliary and signal contacts are mounted on the left-hand side of the circuit breaker and on the right-hand side of the protective devices. There is a version with integrated contacts for auxiliary and signal contacts that are fed in VIA SMISSLINE auxiliary power rails LA or LB. In addition, conventional infeed via terminals is also possible. The auxiliary contact operates in the same way as the main contacts. The signal contact only works with electrical tripping. This can be simulated with the test button. After each tripping operation, the signal contact must be returned to the initial position with the orange reset button. The auxiliary and signal contacts with 1S and 1NC and the connection base are supplied with a contact piece for direct contact on a Smissline TP socket. The signal contact group alarm, such as auxiliary and signal contacts with 2S and 2NC, have two contact pieces. Signal contact, collective alarm with contact via auxiliary busbars LA, LB: This mounting element can be used to implement a cost-effective collective alarm solution without additional wiring.

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