How to choose the contactor type?

Publish Time:2015-02-05 Author:admin Views:0

AC contactor according to the type of load is generally divided into a class, two class, three class and four class, named AC1, AC2, AC3 and AC4. The control object of a class of AC contactor is corresponding to no sense or micro sensitive loads, such as incandescent lamps, electric resistance furnace; two kinds of AC contactor is used for starting and stopping of winding type asynchronous motor; typical uses three kinds of AC contactor is running and operation of squirrel cage asynchronous motor in off; four kinds of AC contactor for squirrel cage asynchronous motor starting, reverse connect braking, reverse and move.