Name: CJ40 AC Contactor
Brand: Chint

CJ40 AC Contactor

The CHINT CJ40 AC Contactor is a high-performance industrial contactor designed for making and breaking AC circuits up to 1140 V and 1000 A. Built to IEC/EN 60947-4-1 and GB/T 14048.4 standards, it ensures reliable operation in motor control, power distribution, and heavy-duty applications. Featuring a direct-acting electromagnetic system, double-break silver-alloy contacts, and arc-resistant construction, the CJ40 delivers high breaking capacity, long mechanical life, and superior safety for demanding electrical environments.

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FAQs

What is the main function of the CJ40 AC Contactor?

It is designed for frequent remote making and breaking of AC circuits up to 1140 V, commonly used to control motors, power distribution, and heating systems.

What are the current and power ratings available?

The CJ40 series covers 63 A to 1000 A, supporting motor powers up to 600 kW at 1140 V, ensuring broad application flexibility.

Does it have energy-saving capability?

Yes, models CJ40-63~500JZ and CJ40-630~1000J include 90 % energy-saving coils, reducing power consumption during operation.

What materials improve its performance and durability?

The silver-alloy double-break contacts and arc-resistant composite cover provide superior conductivity, heat dissipation, and longer service life.

How is it installed?

The CJ40 mounts vertically using M6–M10 bolts on panels or enclosures, with an allowable tilt of ±5°, ensuring secure and stable performance in industrial setups.

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CJ40 AC Contactor

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