Siemens NSB CLM4379781 Starter and Contactor Accessories

Siemens CLM4379781 is a 120 VAC, 3-wire mechanically latched contactor control module kit designed as an accessory for Siemens CLM‑series combination starters and contactors. Sold as EA (each), this kit supplies a three‑wire control module that attaches to compatible CLM devices to provide mechanically latched control functionality within motor control circuits. The module is specified for 120 V AC operation and is used to enable enhanced control schemes for CLM contactors in industrial panels and control cabinets, aligning with Siemens’ CLM starter accessories lineup for precise, reliable start/stop control in conveyor, pump, and fan drives.