This Square D AMP FUSIBLE PANELBOARD SWITCH 3Ø 600 VAC QMB367MW is a sensor/switch manufactured by Square D. 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 600 VAC, 800 AMP. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
