CHINT · AC contactor
Product overview
The CHINT NC2-630 is a three-pole power contactor for remote making and breaking of AC circuits and control of large motors. The pictured unit is rated 630A at 380V under AC-3 duty, with an 800A conventional thermal current. This page covers the NC2-630 three-pole model shown.
Technical selection summary
| Exact model | NC2-630 |
|---|---|
| Main poles | 3P / 3 normally open main contacts |
| Rated operating current, AC-3 | 630A at AC 380V; 462A at AC 660V |
| Motor power, AC-3 | 335kW at AC 380V; 450kW at AC 660V |
| Conventional thermal current / AC-1 | 800A |
| Rated insulation voltage Ui | 1000V |
| Standard | IEC/EN 60947-4-1; GB/T 14048.4 |
| Shown auxiliary blocks | Two F4-22 blocks, each marked 2NO + 2NC |
| Coil supply | Specify the required coil voltage and frequency with your enquiry |
| Catalogue dimensions, 3P | A 312 × B 305 × C 256mm; refer to the drawing for clearance and mounting details |
Confirm the coil supply and the supplied auxiliary-contact arrangement with your quotation. The photo shows two F4-22 auxiliary blocks; the three main power poles are separate from these auxiliary contacts.
Typical applications
- Large-motor control panels
- Industrial AC switching assemblies
- Replacement procurement requiring the NC2-630 size
Specify your enquiry
For a focused quotation, include:
- NC2-630, 3P and quantity
- Coil voltage and frequency
- Required auxiliary blocks, motor duty and installation clearances
Download CHINT NC2 English series catalogue (PDF)
Product reference images and drawings
