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Mining fan explosion-proof and intrinsically safe dual-power vacuum electromagnetic starter (intelligent split type) QBZ-2*80,120/1140(660)SF

The device is used in coal mines containing explosive gas (methane) and coal dust. It is designed to meet the requirement of coal mine underground continuously ventilation and safety. The starter can conduct real-time monitoring and trouble shooting of controller running status through the high-performance single chip as control core and realized the switch of working status between the host and the backup motors. The starter works in three-phase neutral ungrounded transmission lines with voltage AC 1140V (660V), 50Hz to make continuously control of ventilation in driving faces and have all control functions of dual-power double fans.

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