MICRO SWITCH™ Hazardous Location Safety Limit Switches: GSX Series, Red Epoxy-Coated Aluminum Housing, Top Roller Plunger, 3 NC/1 NO Slow Action Break Before Make Contacts, AC-15, A300 / DC-13, Q300, NEMA 1, 3, 4, 12, 13, and IP67 Seal Rating, Operating Temperature: -40 °C to 70 °C [-40 °F to 158 °F], 1/2 - 14 NPT Conduit Termination, NEMA 7: Class I, Div. 1 & 2, Groups B, C & D; NEMA 9: Class II, Div. 1 & 2, Groups E, F, & G; Ex d IIC T6 ta -40 °C to +70 °C Gb / Ex tb IIIC T85 °C Db, Agency Approvals: ATEX (CE), cULus, IEC Ex, KOSHA, INMETRO, External and Internal Ground Screw .. 查看完整描述