This Siemens SN323 100A 240V 2 POLE 3 WIRE FUSIBLE NEMA 1 SAFETY SWITCH is a sensor/switch manufactured by Siemens. It detects a change in state, position, or presence and relays that information to a controller or operator interface. Key specifications noted on this listing include 100A, 2 POLE. It is commonly in factory automation and machine control retrofits.
