Product Description

One of the main applications of three-phase AC contactors is in industrial automation. In production lines, these contactors are essential for controlling the starting and stopping of motors, and they work in conjunction with programmable logic controllers (PLCs) to facilitate automated production processes. This synergy not only increases productivity, but also minimizes the risk of human error, allowing for more streamlined operations. The reliability of three-phase AC contactors ensures smooth machine operation, which is critical in high-demand environments where downtime can result in significant financial losses.

In addition to industrial automation, three-phase AC contactors also play a vital role in motor control. They are widely used for start and stop control of various equipment, including fans, pumps and compressors. By providing a safe and effective method of motor control, three-phase AC contactors help maintain optimal performance and protect equipment from potential damage. This is especially important in applications where equipment operates under heavy loads or harsh conditions, as contactors ensure that motors are safely engaged and disengaged, thereby extending their service life.

The applications of three-phase AC contactors are not limited to industrial settings; they are also vital in the electrical systems of large buildings. In commercial and residential buildings, these contactors are used to manage the operation of essential electrical equipment such as lighting and air conditioning systems. By effectively controlling these systems, three-phase AC contactors help improve energy efficiency, reduce operating costs, and minimize environmental impact. This capability is becoming increasingly important as building owners and managers seek to implement sustainable practices and comply with energy regulations.

Three-phase AC contactors are indispensable in mechanical equipment, where they control drive motors to ensure normal operation and safety protection. The reliability of these contactors is critical in industries ranging from manufacturing to construction. They provide the necessary control to prevent equipment failures, which can lead to expensive repairs and safety hazards. The rugged design and high performance of three-phase AC contactors make them suitable for demanding applications, ensuring that mechanical systems operate safely and efficiently.

In power systems, three-phase AC contactors are used for circuit switching and protection in substations and distribution systems. Their role in maintaining grid stability and security cannot be underestimated. By ensuring that circuits operate safely, these contactors help prevent overloads and short circuits that could have catastrophic consequences. Integrating three-phase AC contactors into power systems is essential to ensuring a reliable and secure energy supply, making them a cornerstone of modern power infrastructure.

Three-phase AC contactors have become an indispensable component in contemporary electrical control systems. Their applications range from industrial automation, motor control, building electrical systems, mechanical equipment, and power systems, highlighting their versatility and importance. With their high efficiency and reliable performance, three-phase AC contactors are essential for improving operational safety, increasing energy efficiency, and ensuring the smooth operation of a variety of electrical applications. As the industry continues to develop, the role of three-phase AC contactors will undoubtedly continue to be at the core of electrical technology advancements.

SPX AC Magnetic Contactor Parameter

Frame(A)			SS-T65
KW/HP(AC-3) Reted power(AC-3) IEC60947-4		220V	18.5/22
		380V	30/45
Reted current(AC-3) GB14048.4		220V	68
		380V	65
Reted heating current(A)			100
Reted insutaled voltage(V)			690
Auxicary contact AC-15	Contact	Standard	2NO+2NC
	Reted current (A)	220V	1.6
		380V	0.95
Electric life			65
Machanical life			300
Outline and installation dimension
			Type	L	W	H	C1	C2	ΦD
			SS-T65	88	103	105	75	70	5.5