Explosion proof lamp zjd100b what lamps and lanterns?
3 III classClass III electrical equipment for explosive dust environment other than coal mineClass III electrical equipment is reclassified in accordance with its intended use of explosive dust environmental characteristicsClass III electrical equipment reclassification:- IIIA: burning feixu;Class IIIB: non conductive dust;Class IIIC: conductive dust
2 II classClass II electrical equipment for use in addition to coal mine methane gas, its explosive gas environmentClass II electrical equipment is reclassified according to the type of explosive environment it intends to useClass II electrical equipment reclassification:Class II: representative gas propane;Class IIB: representative gases, ethylene;Class IIC: representative gas, hydrogen
Explosion proof lamp model has BAD series, BAX explosion-proof ceiling lamp, BAYD explosion-proof emergency lamp, BAT explosion-proof light, BAY56 explosion-proof anti-corrosion plastic fluorescent lamp and so on.Classification of explosion proof lamps:New revised national standard GB3836.1 explosive atmospheres for electrical equipment are classified as class I, class II, and class III:1 class IClass I electrical equipment used in coal mine gas and gas environmentNote: class I explosion-proof model takes into account the physical protection measures for methane and pulverized coal ignition and underground equipmentWhen the electrical equipment used in coal mine environment except methane can contain the explosive gas should be in accordance with the class I and class II corresponding flammable gas for manufacturing and testing of the electrical equipment should have the corresponding symbol (for example: Ex D I/IIB T3 or ExdI/II (NH3)