This Square D AMP TWIN FUSIBLE PANELBOARD DISCONNECT SWITCH 240 VAC QMB323TW is a sensor/switch manufactured by 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, 100 AMP. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
