Control 220v motor forward and reverse wiring method and paper diagram with a reversing switch

The wiring diagram is as follows:

(1)The metal casing of the motor and the reversing switch must be reliably grounded. And the ground wire must be connected to the specified screw of the reversing switch, do not connect to the cover of the switch.

(2) The inlet and outlet wires of the reversing switch must not be connected incorrectly. When connecting the wires. Should see the switch line end marking, to ensure that the marking for the L1.L2,L3 power supply. L2, L3 to the power supply and U, V, W to the motor. Otherwise. Inevitably cause two-phase power short circuit.

(3) The operation sequence of the reversing switch should be correct.

Extended information

Single-phase motor, refers to the 220V AC single-phase power supply and operation of asynchronous motors. Because 220V power supply is very convenient and economical, and family life with electricity are 220V, so single-phase motor is not only in the production of a large amount, but also with people's daily life, closely related, especially with the people's living standards are increasingly improved, household electrical equipment, single-phase motor usage, but also more and more.

Applied in the production of micro-pumps, grinders, threshing machines, pulverizers, woodworking machinery, medical equipment, etc., in terms of life, there are fans, hair dryers, exhaust fans, washing machines, refrigerators, etc., there are more kinds of, but the power is smaller.

Reference:

Baidu Encyclopedia-Single-phase motor