The Square D HEAVY DUTY FUSED SAFETY SWITCH 100 AMP 600 VAC H363NRB is a sensor/switch from Square D. It detects the presence, position, or proximity of a target object, or switches a circuit, outputting a signal to trigger or monitor a machine process. Key specifications noted on this listing include 600 VAC, 100 AMP. It is commonly in factory automation and machine control retrofits.
