... alloy , GRP 3.AC220V 4.ExedmbIICT4/DIPA20TA,T6 Explosion proof fluorescent fitting Type BYSApplication1.Used in Zone 1,Zone2, Zone20 ... high strength, impact resistance, corrosion resistance, thermal resistance and cold resistance.2 Lamp shade is injected of polycarbonate with good ... and high light efficiency.8 Built-in exclusive explosion proof electronic ballast.9 Built-in limit switch, de-energizing ...