Mine flameproof and intrinsically safe permanent magnet vacuum co
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Suitable for underground coal mine in explosive environment, in the rated frequency 50Hz, rated voltage 1140V, 660V, rated total current to 2000A, single-loop rated current to 1000A three-phase neutral point ungrounded power supply system, As the main switch of the centralized distribution system, contact switch, separate off, starter, lighting comprehensive protection and other devices exist at the same time, can be used as a - total seven points, two into eight out, two into five out of one contact, eight separate off and other combination feed switch form, and a combination switch can replace multiple power supply equipment, saving equipment space. It is conducive to the construction of standardized and intelligent mines.
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