... Application1,Explosive atmosphere??? : Zone 1 and Zone 22,Flammable gas and steam class: IIA, IIB3,Temperature ... the locations which need higher water-proof and dust-proof requestFeatures1,The product is made ... engineering plastics, with aesthetic appearance, and antistatic,impact-resistant, and nice thermal stability performances.3,The ... 26AC3803P+N+PE BAC8575 explosion-proof plugs and sockets (IIC)