BHD2-400/1140-3T, 400A low-proof junction box, BHD2 series flameproof low voltage cable junction box Manual I. Overview 1 explosion-proof junction box range applicable BDH2 series flameproof cable boxes suitable for coal mine with explosive gas atmospheres in 1140V, 660V, 380V power supply network, as cable connection and branching signals, lighting, power, etc., the product has high strength, good insulation properties and other characteristics. 2. The spirit is willing proof junction box products are mainly Standard MT429-2008 "Mine flameproof low voltage cable junction box" GB3836.1-2000. "Electrical apparatus for explosive gas atmospheres - Part 1: General requirements" GB3836 2-2000 "explosive atmosphere electric electrical equipment - Part 2: flameproof "d"> 3.2 Explosion forms: 3.3 flameproof explosion-proof mark: EXDI 4, Ling Ken proof junction box product conditions: A, ambient pressure (86 -110) Pa; B, the air relative humidity less than 95% (+25 degrees) C, ambient air temperature -20 to +40 degrees D, with explosive gas (methane) mixture occasions. E, no significant shake and severe shock vibration. F, pollution degree 3. G, installation category column III. The company also supplies these products to similar products: Mine junction box, low voltage junction box, explosion-proof junction box