NC2-630 3P Contactor
Chint NC2-630 3-Pole 630A AC Power Contactor
The Chint NC2-630 is a heavy-duty 3-pole AC power contactor rated 630A for reliable switching of large motors and industrial loads. Suitable for remote making/breaking of circuits in demanding applications, it is available in multiple AC coil voltages and complies with IEC/EN 60947-4-1.
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The Chint NC2-630 3-Pole Contactor is a high-capacity AC power contactor rated 630A (AC-3) for reliable switching of large motors and industrial loads. Designed for heavy-duty service in panels and distribution systems, it supports multiple AC coil voltages and complies with global standards, including IEC/EN 60947-4-1.
Key Features (Bulleted)
3-pole power contactor with 3 normally open main contacts (3NO).
High operational current rating: 630A (AC-3) for large motor loads.
Suitable for remote making and breaking of power circuits and motor control.
Available with multiple AC coil voltages: 110V, 220V, 230V, 240V, 380V, 400V, and 415V (50/60 Hz).
Conforms to IEC/EN 60947-4-1 and carries CE, VDE, UL, and related certifications.
Compatible with thermal overload relays for complete motor protection.
Robust industrial construction for use in heavy-duty applications.
Suitable for mounting in both horizontal and vertical orientations.
Technical Specifications (Table)
| Parameter | Value / Description |
|---|---|
| Brand | Chint |
| Model | NC2-630 |
| Contactor Type | AC Power Contactor |
| Number of Poles | 3 (3NO main contacts) |
| Rated Operational Current (AC-3) | 630 A |
| Typical Application Class | AC-3 (motor loads) |
| Rated Motor Power | Application-dependent (large HP / kW motors) |
| Rated Insulation Voltage (Ui) | Up to 690 V AC |
| Frequency | 50/60 Hz |
| Coil Type | AC operational (DC coil variants available in NC2-630Z, etc.) |
| Available Coil Voltages | 110 V, 220 V, 230 V, 240 V, 380 V, 400 V, 415 V AC |
| Main Circuit | 3-phase power circuits |
| Mounting | Panel mounting, horizontal or vertical |
| Standards/Compliance | IEC/EN 60947-4-1; CE, VDE, UL, and related approvals |
| Typical Applications | Motor control, distribution boards, control panels |
| Compatible Overload Relay | Chint NR2 series (model matched by current range) |
| Operating Duty | Frequent switching in industrial environments |
Applications (Bulleted)
Large AC motor starters in heavy-duty industrial plants.
Main and sub-distribution boards for high-current feeders.
Conveyor, crusher, blower, and compressor motor control.
Pump rooms, HVAC chiller plants, and utility systems.
Process plant MCC panels and automation panels.
Power control in OEM-built heavy machinery.
What’s in the Box?
1 × Chint NC2-630 3-Pole 630A AC Power Contactor
Mounting/fixing screws (where supplied by manufacturer)
Manufacturer label and basic installation markings
Supplier invoice from Radical TechMart
(If actual box includes manual/leaflet, you can add “Installation leaflet / wiring diagram (if supplied by Chint).”)
FAQ
Q1. What is the rated current of the Chint NC2-630 contactor?
A1. The NC2-630 is rated for 630A operational current in AC-3 duty for motor loads.
Q2. How many poles does this contactor have?
A2. It is a 3-pole contactor with three normally open main contacts for 3-phase circuits.
Q3. Which coil voltages are available?
A3. The NC2-630 is available in multiple AC coil voltages, typically 110V, 220V, 230V, 240V, 380V, 400V, and 415V, 50/60 Hz. You can select the required coil voltage while ordering.
Q4. Is it suitable for motor starting applications?
A4. Yes. It is designed for AC-3 motor duty, suitable for frequent starting and stopping of large motors in industrial installations.
Q5. Can I use this with a thermal overload relay?
A5. Yes. It is compatible with suitable thermal overload relays (e.g., Chint NR2 series) to provide overload and phase failure protection.
Q6. Which standards does the NC2-630 comply with?
A6. The contactor complies with IEC/EN 60947-4-1 and carries international certifications such as CE, VDE, and UL (depending on the variant).