NCK3 20/1 Contactor
Chint NCK3-20/1 Single Pole Contactor, 20A, 1NO, 240V Coil
Compact 20A, single-pole definite-purpose contactor for HVACR, industrial automation, and light-duty motor control. Designed for reliable switching with a 1NO contact and 240V AC coil.
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The Chint NCK3-20/1 is a compact, single-pole definite purpose contactor rated at 20A, designed for HVACR equipment, small motor control, and industrial automation loads. With a 1NO contact and a 240V AC operational coil, it offers reliable switching performance in control panels and field installations.
Key Features
20A current rating suitable for HVACR and light-duty motor loads
Single pole (1P) configuration with 1 Normally Open (1NO) contact
240V AC, Hz coil for versatile installation
Rated insulation voltage up to 630V
IP00 design intended for enclosed-panel installation
Suitable for compressors, blowers, HVAC units, solenoids, and resistive loads
Certified to UL/CSA 60947-4-1 and IEC/EN 60947-4-1
Compact footprint suitable for small electrical panels
High reliability for repetitive switching operations
Technical Specifications
| Parameter | Value |
|---|---|
| Model | NCK3-20/1 |
| Brand | Chint |
| Product Type | Definite Purpose Contactor |
| Current Rating (AC) | 20 A |
| Number of Poles | 1 Pole (1P) |
| Main Contact Type | 1NO |
| Coil Voltage | 240V AC, 50/60 Hz |
| Rated Insulation Voltage (Ui) | 630 V |
| Protection Class | IP00 |
| Standards | UL/CSA 60947-4-1, IEC/EN 60947-4-1 |
| Frequency | 50 / 60 Hz |
| Mounting Type | Panel mounting |
| Typical Applications | HVAC, automation, compressors, blowers, pumps |
| Approx. Dimensions | 7 × 5 × 8 cm |
| Approx. Weight | 0.20 kg |
Applications
HVACR units (compressors, fans, blowers)
Industrial automation and control panels
Light-duty motor switching
Solenoid and resistive load switching
Small machinery and commercial refrigeration
Electrical control circuits requiring a compact contactor
What’s in the Box?
1 × Chint NCK3-20/1 Single Pole Contactor
Product label with wiring terminals
Basic instruction leaflet (if supplied by manufacturer)
FAQ
Q1. What is the current rating of NCK3-20/1?
A1. It is rated 20A, suitable for HVACR and general-purpose control loads.
Q2. How many poles does the contactor have?
A2. It is a single-pole contactor (1P) with 1 Normally Open (1NO) contact.
Q3. What coil voltage is used?
A3. The common variant uses a 240V AC, 50/60 Hz coil.
Q4. Can it be used in motor control circuits?
A4. Yes, it is suitable for small motors, HVAC compressors, and blower motors.
Q5. Is it panel mountable?
A5. Yes, the compact design is intended for panel installation.
Q6. Does it meet international standards?
A6. Yes, it complies with UL/CSA and IEC/EN 60947-4-1 standards.