1、Explosive gas atmospheres:Zone 1＆2
2、Dangerous gases or vapors zone: IIA、IIB、IIC
4、 Indoor and outdoor (IP 54,It could be designed as IP65 according to user′s requirements)
The plug-socket device is made of plug and socket.Plug consists of flame resistant plastic housing, five copper pins,one locating pin and flameproof brass sleeve.Housing of socket is made of aluminum alloy,in which there is circuit breaker with functions of short circuit and overloading protection. The device could be operated with outer-handler, plug is interlocked with operation mechanism.Before inserting plug into socket,the switch is only in the state of and the lever could not be operated. When the plug is inserted into socket firmly, the lever could be operated to on / off, and the plug could not be pulled out, so it is safe. There are five holes in socket,which matches with the five pins of plug. There is brass net sheet ring in every hole respectively so no over heating occurs with heavy current. Wiring compartment is isolated from function compartment . There are five terminals in the function compartment, three ones are phase wires, one is zero conductor, the fifth is earthing wire.There is one earthing bolt on housing. Wiring with conduit or cable.