The 440G-LZS21SPLH is a Guardlock safety switch with power-to-lock functionality, featuring 2 N.C. safety contacts and 1 N.O. lock auxiliary contact. It utilizes solid-state contacts and comes with a standard coded actuator. The switch has an 8-pin DC quick disconnect configuration, constructed in durable plastic for mountable applications. Note: Factory warranty does not apply; this product includes a warranty from Beyondtech.