Explosion proof switch, explosion proof illumination switch, switch Explosion proof switch, explosion proof illumination switch, switch1. Can be used in Zone 1 and Zone 2 dangerous places2. Can be used in IIA, IIB group explosive atmosphere3. Protection grade: IP55 Rated voltageRated currentProtection gradeEx-markInlet’s threadCable’s outer diameterMass22010IP65DIP A20,TA,T53/410-140.8