QJR vacuum exchange soft starter introduction

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QJR vacuum exchange soft starter introduction

QJR vacuum exchange soft starter introduction

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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 startin

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Product Detail：

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）:1140660

rated current（A）：120200315400630

control motor power （KW）:≤800

control circuit voltages（V）：36

Ultimate breaking capacity（A）：1500—6000

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