CJX2 2P/3P/4P AC Contactor

Overview 

     AC contactor (hereinafter referred to as contactor) is mainly used for AC 50Hz (or 60Hz), rated working voltage up to 690V, for remote connection and disconnection of circuits, frequent starting and control of AC motors, and can be combined with appropriate thermal relays to form electromagnetic starters to protect circuits that may experience operational overload.

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Product Features

Current-Limited Resistor Design

This feature incorporates a built-in current-limiting resistor within the contactor to effectively suppress inrush currents during switching operations. By mitigating high transient currents at startup, it prevents potential damage to capacitors and associated components, thereby enhancing system reliability, extending equipment lifespan, and reducing maintenance costs. This is critical in capacitor switching applications where sudden voltage surges can lead to malfunctions or failures.

Direct-Acting Double-Break Structure

The contactor employs a direct-acting mechanism with a double-break contact system, ensuring swift and precise disconnection of circuits. This robust design enables flexible manual operation for easy inspection and maintenance, allowing technicians to safely test or reset the device without full shutdown. It enhances operational efficiency by providing reliable arc-quenching performance and minimizing contact wear, which is essential for frequent switching in capacitor banks or reactive power compensation systems.

Insulated Terminal Boot for Safety

Integrated with insulating boots on all connection terminals, this feature delivers a high level of electrical safety by preventing accidental contact and exposure to live parts. The insulating material acts as a barrier against electrical shocks and short circuits, ensuring secure installations even in confined or damp environments. This reduces the risk of personnel injuries and equipment damage, meeting international safety standards such as IEC 60947, which is vital for industrial and commercial power distribution networks.

Flexible Mounting Solutions

Offering versatile installation options, the contactor can be securely attached via screw fastening or directly mounted onto busbars, adapting to diverse panel configurations. This flexibility simplifies integration into low voltage switchgear systems like XL-21, GGJ, or APFC cabinets, accommodating space constraints without compromising stability. It streamlines the installation process, reduces wiring complexity, and supports seamless upgrades in both new and retrofit projects, optimizing overall cost-effectiveness.

Technical parameters of the main equipment

Project	Specification
	25A	32A	43A	63A	85A	95A
Controllable   capacitor	6	9	10	15	20	32
Capacity   (kvar)	12	18	20	30	40	50
Rated   insulation voltage (V)	500	500	500	500	500	500
Rated working   voltage (V)	380	380	380	380	380	380
Agreed   heating current (A)	25	32	43	63	85	95
AC-6b Rated   Operating Current (A)	17	26	29	43	58	72
Peak current 7 Capacitor rated current	20le	20le	20le	20le	20le	20le
Control coil   voltage (V)	220/380	220/380	220/380	220/380	220/380	220/380
The   insulation class of the coil	B	B	B	B	B	B
Auxiliary contact specified heating current (A)	6	6	6	10	10	10
Operation   frequency (times/hour)	120	120	120	120	120	120
Battery life   (cycles)	105	105	105	105	105	105
Mechanical   life (times)	105	105	105	105	105	105

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