... socket Application1,Explosive atmosphere??? : Zone 1 and Zone 22,Flammable gas and steam class: IIA, IIB3,Temperature group: ... -proof engineering plastics, with aesthetic appearance, and antistatic,impact-resistant, and nice thermal stability performances.3,The cable ... 16AC3803P+N+PEBAC8576-63AC220631P+N+PEIP65Exed II CT4WF2G11/2Φ 18- Φ 26AC3803P+N+PE BAC8575 explosion-proof plugs and sockets (IIC)