integrated protection device of the coal electric drill

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ZBZ integrated protection device of the coal electric drill This device is used forthe coal mine (methane and coal dust gas dangerous) 127 V, 1.2 KW to 1.2 KW, handheld remote control of the coal electric drill, Technical parameters This device adopts the above type of pilot control circuit, using the main transformer in the control device does not work when no electric energy is saved and the reliable and safe. ZBZ protection device of the coal electric drill features: short circuit, overload, leakage atresia and leakage protection. "Triad" of the system is equipped with a dry type transformer type integrated device. Main technical data: rated capacity: 2.5 kVA 4.0 kVA Rated voltage: 1140 V / 133 V, 660 V / 133V, 1140 V / 133 V Current rating: 1.27/10.85A 2.19/10.85A 2.02/17.4 A Connection mode: Y/delta delta/delta Y/delta Accused of drill power: 1.2 KW 2 x 1.2 KW Weight: 95 kg, 128 kg Dimensions: 480*470*605 480*625*615

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Jining Hengwang Mining Machinery Co., Ltd.

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