Mechanical Switch: Switch Type - Guard Door Interlock; Switch Style - Actuator Key; Enclosure Rating - IP67; Construction - Zinc Die Cast; Connection - 20mm Conduit Entry; Voltage Rating - 300V AC; Actuator Contacts - 1NC 1NO, Snap Action; Actuator Style - Key; Operating Temperature - -13 to 185F -25 to 85C; Additional Information - Indicator: Single LED Indicator, Head: Opening to Front and Top, NEMA 1, 4, 12, 13, Extremely Heavy Duty; Manufacturer Series - GKC