Product Description

AC electromagnetic contactor switch is an electrical device used to control the on and off of AC circuits. Its main function is to connect and disconnect the circuit through the action of electromagnets, thereby controlling the operation of electrical loads such as motors and lighting equipment. It is widely used in many fields such as industrial automation, mechanical equipment, building electrical, and power systems. It can not only effectively control the start, stop, and reversal of motors, but also can be used to control other electrical loads such as heaters, fans, and pumps. Due to its simple structure, easy operation, and quick response, AC electromagnetic contactor switches play a vital role in modern electrical control systems.

AC electromagnetic contactor switches are usually equipped with a variety of protection functions, such as overload protection, short circuit protection, etc., to ensure the safe operation of the equipment. With the development of technology, many AC electromagnetic contactors can also be integrated with intelligent control systems to achieve remote monitoring and automatic control, further enhancing their value in modern industrial and commercial applications.

AC electromagnetic contactor switches usually consist of the following parts:

1.Electromagnet: When the control circuit is energized, the electromagnet generates a magnetic field, attracting the moving contact to contact the static contact, forming a closed circuit.

2.Contact: includes main contacts and auxiliary contacts. The main contacts are used to control the on and off of the main circuit, while the auxiliary contacts are used to realize other control functions, such as indicator lights, interlocks, etc.

3.Spring: After the electromagnet is powered off, the spring will reset the moving contact, cut off the circuit and ensure the safety of the equipment.

4.Housing: Protects internal components and prevents the external environment from affecting the contactor.

AC electromagnetic contactor switches are widely used in industrial automation, mechanical equipment, power systems and other fields. They can effectively control the operation of motors and other electrical equipment to ensure the safety and efficiency of the equipment. Due to its simple structure, convenient operation and high reliability, AC electromagnetic contactor switches have become an indispensable and important part of modern electrical control systems.

SPX Household AC Modular Contactor Parameter

Frame(A)			SS-N20
KW/HP(AC-3) Reted power(AC-3) IEC60947-4		220V	5.5/7.5
		380V	11/15
Reted current(AC-3) GB14048.4		220V	22
		380V	22
Reted heating current(A)			32
Reted insutaled voltage(V)			660
Auxicary contact AC-15	Contact	Standard	1NO+1NC
	Reted current (A)	220V	1.6
		380V	0.95
Electric life			100
Machanical life			500
Outline and installation dimension
			Type	L	W	H	C1	C2	ΦD
			SS-N20	63	81	81	60	54	4.5