Explosion Proof Electrical Motors Classification:

The motor ambient temperature shall not exceed +40oC. Motors are approved for the classes:
- CLASS I (Gases, Vapors)
- Group A – Acetylene
- Group B – Butadiene, ethylene oxide, hydrogen, propylene oxide
- Group C – Acetaldehyde, cyclopropane, diethel ether, ethylene, isoprene
- Group D – Acetone, acrylonitrite, ammonia, benzene, butane, ethylene dichloride, gasoline, hexane, methane, methanol, naphtha, propane, propylene, styrene, toluene, vinyl acetate, vinyl chloride, xylem
- CLASS II (Combustible Dusts)
- Group E – Aluminum, magnesium and other metal dusts with similar characteristics.
- Group F – Carbon black, coke or coal dust
- Group G – Flour, starch or grain dust
- CLASS III (Fibers and flyings)
- Group G – Flour, starch or grain dust