The Square D AMP FUSED SAFETY SWITCH 240 VAC AC 3 PHASE TYPE 3R H321AWK 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 240 VAC, 30 AMP, 3 PHASE. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
