1. Hazardous: division 1&2;
2. Explosive atmosphere: class ⅡA, ⅡB, Ⅱ C;
3. Serious erosive gas environment,
4. This product can not use alone it must be used together with other explosion-proof enclosure.
1. The outer casing is made of glass fiber unsaturated polyester resin with high strength, corrosion resistance and thermal stability;
2. Built-in time relay with delay control in the control circuit;
3. The housing is provided with a terminal contact and a time adjustment shaft.