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NCK3 Definite Purpose Contactor 20~90A
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Low Voltage IEC Industrial Control NCK3 Definite Purpose Contactor 20~90A
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Industrial Control
NCK3 Definite Purpose Contactor 20~90A
NCK3 Definite Purpose Contactor 20~90A

NCK3 Definite Purpose Contactor 20~90A

The CHINT NCK3 Definite Purpose Contactor is a compact and reliable switching device designed for HVAC, refrigeration, and lighting applications. With current ratings from 20 A to 90 A and voltages up to 600 V, it provides safe, efficient control of AC loads. Built to UL, CE, and CSA standards, the NCK3 series ensures superior electrical performance, long lifespan, and easy installation, making it ideal for commercial and industrial systems requiring dependable motor and resistive load switching.

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Product Information

Name
Size
Release time
Operate
NCK3-Definite Purpose Contactors-catalog.pdf
628.83KB
2025-03-05
Download
Name
Size
Release time
Operate
2303-NCK3-AC Contactor(HVAC)-CSA Certificate.pdf
197.81KB
2025-03-05
Download
2211-NCK3-AC Contactor(HVAC)-CE Declaration Certificate.pdf
249.25KB
2025-03-05
Download
2012-NCK3-75~90-AC Contactor(HVAC)-CE Certificate.pdf
133.68KB
2025-03-05
Download
2012-NCK3-50~60-AC Contactor(HVAC)-CE Certificate.pdf
132.08KB
2025-03-05
Download
1810-NCK3-AC Contactor(HVAC)-CE Certificate.pdf
1.38MB
2025-03-05
Download
1707-NCK3-AC Contactor(HVAC)-UL Certificate.pdf
252.14KB
2025-03-05
Download
1704-NCK3-40-AC Contactor(HVAC)-VDE Certificate.pdf
679.49KB
2025-03-05
Download

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FAQs

 

What is the NCK3 Definite Purpose Contactor used for?

The NCK3 is designed for HVACR and industrial automation systems, controlling motors, compressors, and heating elements with reliable switching performance up to 600 V AC.

 

What current and voltage ranges does it support?

It covers 20 A to 90 A and operates at up to 600 V, suitable for both single-phase and three-phase circuits.

 

What coil voltages are available?

The NCK3 offers a wide coil range from AC 24 V to 600 V, available for 50 Hz, 60 Hz, or 50/60 Hz operation.

 

What makes it suitable for HVAC applications?

It’s built for AC-8a utilization, which is ideal for compressors, fans, and heating loads, and is compliant with UL, CSA, and CE standards for global compatibility.

 

How is it installed?

The NCK3 is panel-mounted with screw terminals and supports both single and multi-pole configurations, ensuring flexibility for different control designs.

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