QJR vacuum exchange soft starter introduction
QJR Explosion proof safety type vacuum exchange soft starter,suitable for the coal mine, under rated voltage 1140 v, rated frequency 50 hz, rated current 400 a three-phase asynchronous motor soft start, soft stop, can be local or remote and online starting control of three-phase asynchronous motor.Its core adopts the 16 microcontroller advanced fully digital drive controller. "S" type curve in the process of the set of motor closed-loop automatic control. With current-limiting starting, slope voltage starting, torque control, torque and kick starting and various starting mode. With overload, short circuit, leakage, phase locking, under voltage, over voltage, temperature protection, belt interlock protection and other protection function.
QJR vacuum exchange soft starter technical parameters
rated voltage（V）:1140\660
rated current（A）：120\200\315\400\630
control motor power （KW）:≤800
control circuit voltages（V）：36
Ultimate breaking capacity（A）：1500—6000
QJR vacuum exchange soft starter photo
Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.
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