Product Description

A three-phase industrial AC contactor is an electrical switch device specifically used to control a three-phase AC power circuit. Its main function is to switch the circuit on and off through the action of an electromagnet, thereby controlling the start, stop and reversal of a three-phase motor and other electrical loads. A three-phase industrial AC contactor usually consists of the following main parts:

1.Electromagnet: When the control circuit is energized, the electromagnet generates a magnetic field that attracts the moving contact to make contact with the static contact, forming a closed circuit and allowing current to flow to the load.

2.Contact: including main contacts and auxiliary contacts. The main contacts are used to control the on and off of the main circuit, while the auxiliary contacts can be 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.

Many three-phase industrial AC contactors can also be used in conjunction with other control devices (such as programmable logic controllers (PLCs)) to achieve more complex automation control functions, further improving production efficiency and system flexibility. With the development of technology, the functions and application scenarios of three-phase industrial AC contactors are also constantly expanding, becoming an indispensable and important part of modern industrial and commercial electrical control systems.

SPX AC Contactor Switch Parameter

Frame(A)			SS-N80
KW/HP(AC-3) Reted power(AC-3) IEC60947-4		220V	22/30
		380V	45/60
Reted current(AC-3) GB14048.4		220V	85
		380V	85
Reted heating current(A)			120
Reted insutaled voltage(V)			660
Auxicary contact AC-15	Contact	Standard	2NO+2NC
	Reted current(A)	220V	1.6
		380V	0.95
Electric life			60
Machanical life			300
Outline and installation dimension
			Type	L	W	H	C1	C2	ΦD
			SS-N80	100	124	130	110	80	6