Flameproof and intrinsically safe Low pressure vacuum AC Soft sta

Flameproof and intrinsically safe Low pressure vacuum AC Soft starter QJR-400(200)/1140(660)

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 660V, 1140V, 380V, rated current to 630 (500, 400) A and below three-phase neutral point ungrounded line, The three-phase squirrel-cage motor of crusher, transfer machine, emulsification pump, grouting machine, belt conveyor and water pump is carried out heavy load soft start, current limiting start, pump control, soft stop, single soft start and stop, multi-machine sequential soft start and stop control and protection, and can be reversed (reversible) when the motor stops running.

Flameproof and intrinsically safe Low pressure vacuum AC Soft starter QJR-630(500)/1140(660)

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 660V, 1140V, 380V, rated current to 630 (500, 400) A and below three-phase neutral point ungrounded line, The three-phase squirrel-cage motor of crusher, transfer machine, emulsification pump, grouting machine, belt conveyor and water pump is carried out heavy load soft start, current limiting start, pump control, soft stop, single soft start and stop, multi-machine sequential soft start and stop control and protection, and can be reversed (reversible) when the motor stops running.