AC contactor use

AC contactors are mainly used to control large currents in AC circuits and have a wide range of uses, including: controlling the start and stop, reversal and speed regulation of motors, controlling on-off and temperature-adjusting heating equipment, lighting switches and dimming control, on-off, starting and Stops pumps and fans, controls rolling shutters and winches, and acts as switching elements in automatic control systems.

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time：2024-04-07 15:48:40

What is the use of AC contactor? AC contactors are mainly used to control large currents in AC circuits and have a wide range of uses, including: controlling the start and stop, reversal and speed regulation of motors, controlling on-off and temperature-adjusting heating equipment, controlling lighting switches and dimming controls, on-off, starting and Stop pumps and fans, control rolling shutters and hoists, act as switching elements in automatic control systems

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What is the common maximum rated working voltage of AC contactors? The common maximum rated working voltages of AC contactors are 220V, 380V, 660V and 1140V; usually, the maximum working voltage is the rated insulation voltage, and the electrical clearance and creepage distance of the electrical appliance are determined accordingly; a contactor often has several rated working voltages voltage, and also list the corresponding rated operating current or control power.

AC contactor

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AC contactor usage and working principle AC contactor is a low-voltage control appliance widely used in power control systems. It is mainly used to control the operation of motors and equipment. Its structure consists of moving and static contacts, arc extinguishing device, electromagnetic coil, etc. When the coil is energized, the electromagnetic force attracts the moving contact and the static contact to connect, and the circuit is connected; after the power is turned off, the moving contact is released, the contacts separate, and the circuit is disconnected. AC contactors carry large currents, and their actions are usually controlled by relays. It has a wide range of applications, such as starting equipment, forward and reverse control, remote control, protection of motor overload and phase loss, etc., and is widely used in electric drive and automatic control systems.

AC contactor

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