AC Series explosion-proof equipment explosion-proof plug socket

With a slight corrosive environment, but does not contain a gas serious damage to the metal and insulation to prevent hydration liquid immersion places 1 and Zone 2 dangerous places IIA, IIB, IIC explosive atmosphere combustible dust Zone 20, Zone 21, 22 District altitude does not exceed 2000m the ambient temperature does not exceed + 40 ℃, not lower than -20 ℃ ambient relative humidity less than 95% (equivalent to + 25 ℃) applicable to ⅡA, ⅡB class T1 ~ T4 group explosive gas mixture (Zone 1 and Zone 2) location