BHD2-20 / 127-2T coal mine explosion-proof low voltage cable junction box BHD2-20 / 127-2T one, the scope and product features BHD2-20 / 127-2T type applicable to gas and coal in the coal mine explosion hazard, supply voltage of 127V, AC 50HZ 380V and current up to 20A power supply network for lighting, signals, power cables connecting branch purposes. Second, the structure outlined BHD2-20 / 127-2T junction box by flameproof enclosure (case, cover), insulated wiring blocks, cable entry devices and other components inside and outside the ground. Housing and cover made of cast iron HT250 (400A case for Q235-A steel plate welded), insulated wiring blocks using glazed ceramic pressing, with excellent electrical performance. Third, the main technical characteristics Type Rated voltage V Rated current A maximum cable diameter through several dimensions mm length × width × height mm BHD2-20 / 6 127 20 6 ф18 360 × 360 × 110 BHD2-25 / 2 380 25 2 ф25 240 × 120 × 75 BHD2-25 / 3 380 25 3 ф25 240 × 180 × 75 BHD2-25 / 4 380 25 4 ф25 240 × 240 × 75 Our company mainly produces some of Mine Electric: proof phone, explosion-proof button, explosion junction boxes, explosion-proof electric bell, machine junction box, mine explosion-proof cable junction box, threading box mining, mining cable terminal box, miner, flameproof roadway lights, welcome to buy! BHD2-20 / 127-2T, BHD2-40 / 660 (380) -2T / 3T / 4T, BHD2-100 / 660-2T / 3T / 4T, BHD2-200 / 660-2T / 3T / 4T, BHD2-200 / 1140 (660) -2G / 3G / 4G, BHD2-400 / 1140-2T / 3T / 4T flameproof low voltage cable boxes