Hubbell Wiring AC Locking toggle switch in black color features 50000 operating cycles and consists of snap action. Wall switch tolerates maximum continuous temperature of 115 deg C and minimum of -40 deg C without impact. The 4-Way switch incorporates back/side wired connection for easy installation and can be screw mounted. Industrial grade switch features two-position contact configuration and has a voltage rating of 120 - 277 Volts, current rating of 20 Amps and a power rating of 1 hp. It measures 1.310 Inch x 1.130 Inch x 4.060 Inch. It has double ended key for actuating mechanism and supports inductive or resistive load. It features non-cylindrical lock type where in dot indicates ON status. Standard-size switch is conformed to NEMA WD1, UL20 standards. Also known as -Hubbell Wiring HBL1224L Two Position AC 4-Way Locking Toggle Switch 120 - 277 Vo-HUBBELL WIRING DEVICEKELLEMS HBL1224L Switch,4 Way,20 A,Lock