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KDJR（QJRI）-315/1140 Coal Mine Explosion-proof and Intrinsically Safe AC Soft Start Controller

  

   KDJR（QJRI）-315/1140 Coal Mine Explosion-proof and Intrinsically Safe AC Soft Start Controller

Summarize

1.     The starter is an electric control unit that controlling the AC asynchronous motor soft start. It is mainly used as soft start controller for belt conveyor under or on the ground of coal mine. It can improve the starting characteristics of the equipment, reduce the impact when start the equipment, lengthen the working life time.

2.     Technical characteristics:

Rated voltage: 600v, 1140v

Rated current: 315v

Maximum current overload ratio: under 6 times

Starting time: 0-60s(adjustable)

Control the start acceleration of belt speed: 0.1-0.3m/s (adjustable)

Self-diagnosis function of protection

      Adjustable starting current limit duty: intermittent