Its explosion-proof performance complies with the GB3836.2-2010 standard "Explosive Atmospheres Part 2: Equipment Protected by Flameproof Enclosures 'd'," with explosion-proof ratings of "Exd I MD" and "Exd II CT4Gb." These ratings are applicable for underground coal mines and for explosive environments formed by flammable gases or vapors mixed with air, classified as IIA, IIB, IIC (Category I, Category II Class A, Class B, Class C), with temperature groups ranging from T1 to T4.
Altitude does not exceed 1000 meters
Ambient temperature: -20℃ to +40℃;
At the installation site, the maximum average relative humidity of the most humid month does not exceed 90%, and the average minimum temperature of that month is not lower than 25℃. Dew condensation on the product surface due to temperature changes is permissible;
The surrounding environment pollution level allows for grade 3;
Power supply: three-phase AC: 127V/220V, 380V/660V, 660V/1140V, 50Hz (or 60Hz).