Contactor types, structure and working principle

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visit https://www.xinlielectric.com/all-articles-about-low-voltage-electric-products/ for more articles The contactor is a voltage-controlled switching device suitable for systems that frequently turn on and off the AC-DC circuit. It belongs to a kind of control device, and it is one of the most widely used low-voltage electrical appliances in electric drive system, machine tool equipment control circuit and automatic control system. There are ac contactor, dc contactor and so on.

Technology

Contactor types,
structure and
working
principle
https://www.xinlielectric.com

C O N T E N T S
1 Contactor Definition
3 DC contactor features
2 Features of AC contactor
https://www.xinlielectric.com

Contactor Definition
https://www.xinlielectric.com

The contactor is a voltage-controlled
switching device suitable for systems that
frequently turn on and off the AC-DC circuit.
It belongs to a kind of control device, and it is
one of the most widely used low-voltage
electrical appliances in electric drive system,
machine tool equipment control circuit and
automatic control system
C According to the types current which run
through the contacts, it can be divided into
AC contactor and DC contactor.
https://www.xinlielectric.com

Features of AC contactor
https://www.xinlielectric.com

The AC contactor is an on-off switch applied in the AC power
environment and is most widely used in various control circuits. It
features low voltage/zero voltage release protection, reliable
operation, stable performance, high operating frequency, and easy
maintenance.
In practical applications, the AC contactor is mainly used as an on-
off switch in the AC power supply line to achieve long-distance
connection and disconnection line functions, such as in frequent
starting and breaking control lines of AC motors, welding machines
and electric heating equipment.
https://www.xinlielectric.com

From the figure below, it can be seen that the AC contactor is installed in the motor control box and
is mainly used to control the turning on or off of the power supply of the motor so as to control the
start and stop of the three-phase AC motor.
https://www.xinlielectric.com

Application of AC Contactor in
Continuous Control Circuit of
Three-phase AC Motor
https://www.xinlielectric.com

DC contactor features
https://www.xinlielectric.com

The DC contactor is an on-
off switch applied in the
DC power supply
environment, and also has
the characteristics of low
voltage release protection,
reliable operation, and
stable performance.
In practical applications, DC
contactors are used to remotely
switch on and off the DC power
supply or control lines and
common DC motor start-stop
control.
https://www.xinlielectric.com

Circuit breaker structure
and working principle
Ac Contactor working
principle and structure
Switching Over Capacitor
Contactor structure and
working principle
Other Articles
https://www.xinlielectric.com

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Magnetic Contactor connection
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contactors switch function
Products You May Interested
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T h a n k Y o u !
Editor: Action
action@xinlielectric.com
https://www.xinlielectric.com

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Contactor types, structure and working principle

1. Contactor types, structure and working principle https://www.xinlielectric.com

2. C O N T E N T S 1 Contactor Definition 3 DC contactor features 2 Features of AC contactor https://www.xinlielectric.com

3. Contactor Definition https://www.xinlielectric.com

4. The contactor is a voltage-controlled switching device suitable for systems that frequently turn on and off the AC-DC circuit. It belongs to a kind of control device, and it is one of the most widely used low-voltage electrical appliances in electric drive system, machine tool equipment control circuit and automatic control system C According to the types current which run through the contacts, it can be divided into AC contactor and DC contactor. https://www.xinlielectric.com

5. Features of AC contactor https://www.xinlielectric.com

6. The AC contactor is an on-off switch applied in the AC power environment and is most widely used in various control circuits. It features low voltage/zero voltage release protection, reliable operation, stable performance, high operating frequency, and easy maintenance. In practical applications, the AC contactor is mainly used as an on- off switch in the AC power supply line to achieve long-distance connection and disconnection line functions, such as in frequent starting and breaking control lines of AC motors, welding machines and electric heating equipment. https://www.xinlielectric.com

7. From the figure below, it can be seen that the AC contactor is installed in the motor control box and is mainly used to control the turning on or off of the power supply of the motor so as to control the start and stop of the three-phase AC motor. https://www.xinlielectric.com

8. Application of AC Contactor in Continuous Control Circuit of Three-phase AC Motor https://www.xinlielectric.com

9. DC contactor features https://www.xinlielectric.com

10. The DC contactor is an on- off switch applied in the DC power supply environment, and also has the characteristics of low voltage release protection, reliable operation, and stable performance. In practical applications, DC contactors are used to remotely switch on and off the DC power supply or control lines and common DC motor start-stop control. https://www.xinlielectric.com

11. https://www.xinlielectric.com

12. Circuit breaker structure and working principle Ac Contactor working principle and structure Switching Over Capacitor Contactor structure and working principle Other Articles https://www.xinlielectric.com

13. CJ40 ac electrical industrial contactors swtich for electric transmission line LC1-F lc1d09 3 phase electric AC Magnetic Contactor connection LP1 12v 24V coil 3 pole magnetic dc contactor china manufacturers LC1-FN magnetic Mechanical interlocking contactors switch function Products You May Interested https://www.xinlielectric.com

14. T h a n k Y o u ! Editor: Action action@xinlielectric.com https://www.xinlielectric.com

Contactor types, structure and working principle

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Contactor types, structure and working principle