QJGR-□/6(10)Series
Mine Explosion-proof and Intrinsically Safe HV AC vacuum Soft Starters
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QJGR-□/6(10)Series Mine Explosion-proof and Intrinsically Safe HV AC vacuum Soft Starters
QJGR-□/6(10)Series Mine Explosion-proof and Intrinsically Safe HV AC vacuum Soft Starters
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Product Details

1. Function

The QJGR-/6(10) Series Mine Explosion-proof and Intrinsically Safe HV AC vacuum SoftStarters applies to underground coal mines where is filled with explosive gas(methane)andcoal dust. it is used to control the direct start and start and stop, soft start and stop ofthree-phase squirrel-cage asynchronous motor in local or remote distance, rated voltage6KV/10KV, frequency50/60HZ.

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3. Characteristics

  1. With protective functions of motor overload over-voltage, under-voltage, currentimbalance, zero sequence current, frequency motion, speed loss, stall current, overfrequentstarting, over-heating, phase sequence checking, monitoring of motor andcable insulation etc,;

  2. Whole course on-line monitoring of working voltage, current, operation time with highreliability;

  3. With RS485 communication interface to realize central monitoring and control;Characteristic of small stating current, low mechanical pound, smooth and adjustablestarting current and speed, reliable starting process, low shock to the grid andmechanical equipment, overall electrical protection etc. It is a ideal new-generationreplacement for traditional direct start, star-delta star, reactor start and self-couplingreduction voltage start.


Technical Parameters

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