Mining Flame-Proof High-Low Vacuum Electromagnetic Starter

1) Model for high voltage: QBGZ-630/6(10)2) Model for low voltage: QBZ-660(380), QJZ-1140(660)3) QBGZ series device can be used in coal mine full of explosive gas mixture (methane) to start, stop and control high-voltage motor in the three-phase of AC circuit of 50Hz, rated voltage 6KV or 10KV, rated current is 50-400A, also can protect the related circuits and motor4) The inner of QBGZ equipped with high-voltage integrated protective device with overload, over-current, short circuit, phase lack, under-voltage, voltage failure, over-voltage functions5) The QBZ series device can be used in coal mine full of explosive gas mixture (methane and coal dust) to start, stop and control three-phase asynchronous motor in the three-phase of AC circuit of 50Hz, rated voltage 660V or 380V, rated current is less than 120A, also can protect the related circuits and motor5) The inner of QBZ series is equipped with vacuum contactor, JDB integrated protector for the motor, with the functions of overload, short circuit, fault-phase and leakage6) QJZ series device can be used in coal mine full of explosive gas mixture (methane and coal dust) to start, stop and control three-phase asynchronous motor in the three-phase of AC circuit of 50Hz, rated voltage 660V or 1140V, rated current is less than 400A, also can change phase7) The inner of QJZ series is equipped with vacuum contactor, A8D8 integrated protector for motor with the functions of overload, short circuit, fault phase, leakage and so on

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