^{1.Hazardors:division 1&2 or zone 20,21,22;
2.Explosive gas atmosphere:class ⅡA,ⅡB,ⅡC or flammabledust atmos-pheres;
3.Serious erosive gas atmosphere;
4.Indoor or outdoor(IP65,IP66*);
5.Temperature class:T1~T6.}

^{1.The enclosure is pressed by glass fibre unsaturated polyester resin with high intensity, erosion-proof and perfect thermalstability properties, fine outline;
2.Reliable interlock function, the plug can be pulled out only after the switch inside the socket chamber is off ,the switch ison only after the plug had inserted.
3.Contact of plug is reliable, long life .there is a spring pin with shutters inside the socket, so it is easy to clean the plug , andensures the small resistance and low temperature rise, at the same time, it can deduces the plug force into min one . Thisdesign ensures the normal working and constant cleaning functions, avoid the effect of environments (such as temperature,humiddity),and it also ensure the electric transmissionfunction;
4.The socket with padlock can be locked when it is not used.}