Application of environmental 

 1 and Zone 2 dangerous places. 
 Ⅱ A, Ⅱ B IIC explosive gas environment. 
 Note: The requirements specified class IIC. 

 Features 
 Increased safety enclosure, built-in components for explosive devices. 
 Shell is made of glass fiber reinforced unsaturated polyester resin, has a beautiful appearance, corrosion resistance, antistatic, impact resistance and good thermal stability, excellent performance. 
 Explosion-proof control switch with compact structure, good reliability, small size, high capacity, long life and a variety of functions to be selected. Explosion-proof button by ultrasonic encapsulation process to ensure a reliable bonding strength, the button's function can be free to the two units together, using a specially designed explosion-proof lights, AC 220-380V universal.