Hubbell Wiring 2-Position AC Toggle switch in red color is designed with a current rating of 20 Amps and voltage rating of 120 - 277 VAC. The 1-Pole switch has a power rating of 1 hp at 120 VAC and 2 hp at 277 VAC. Industrial grade switch features back/side terminals for wire accommodation and operates between -40 to 75 deg C. It features key and barrel lock for enhanced safety. Switch has tapered head and steel lock construction to resist impact.It features keyed locks for planed security use and provides maximum tamper resistance for security needs. It measures 1.310 Inch x 1.130 Inch x 4.060 Inch. Switch is suitable for fire system control, security equipment and many more applications. Switch is UL fed spec listed and CSA certified. Switch meets NEMA WD1 standards. Also known as -Hubbell Wiring HBL1221R Two Position AC Toggle Switch SPST 120 - 277 Volt AC-HUBBELL WIRING DEVICEKELLEMS HBL1221R Toggle Switch,1P,20A,Red,Heavy Duty