The Siemens DTNF223, HEAVY DUTY DOUBLE THROW SAFETY SWITCH ,100A/240V, NO BOX is a sensor/switch from Siemens. 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 100A. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
