Auxiliary Contact Or Fault Signal Contact For Legrand All Dpx 630/1600 Series Compact Switch 421011

Auxiliary Contact Or Fault Signal Contact For Legrand All Dpx 630/1600 Series Compact Circuit Breaker 421011 Auxiliary contact is an auxiliary switching device that works with main switching equipment such as circuit breaker, relay and contactor. It is located next to the main contacts and, as the name suggests, does not carry the main current. It only undertakes auxiliary works and additional functions. The auxiliary contact is physically connected to the main switching mechanism and is commonly used in the control circuit of the main device.