Product Description
The CHINT NXC-500 is a high-current AC contactor designed for frequent starting, stopping, and remote control of AC motors and electrical circuits in industrial and commercial applications. With a 500 A rated operational current at AC-3 and a 220–240 V AC/DC control coil, it provides reliable switching performance for high-power motor control systems. The NXC series features a compact and robust construction, silver-alloy contacts, and compatibility with thermal overload relays for direct-on-line motor starters. CHINT specifies the NXC series for rated operational voltages from 220 V to 690 V and rated currents from 6 A to 630 A. :contentReference[oaicite:0]{index=0}
Standard Features
- 500 A rated current: Provides high-capacity switching for demanding industrial motor control and power circuit applications.
- 220–240 V AC/DC coil: Supports both AC and DC control power for flexible system integration.
- High-power motor control: Suitable for motors up to 250 kW at 380/400 V under AC-3 utilization.
- 3-phase contactor design: Provides reliable switching and remote control of three-phase AC motors.
- Thermal overload relay compatibility: Can be integrated with overload relays to create dependable direct-on-line motor starters.
- IEC-compliant construction: Designed according to IEC/EN 60947-1, IEC/EN 60947-4-1, and IEC/EN 60947-5-1 requirements.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | CHINT |
| Model | NXC-500 |
| Product Type | AC Contactor |
| Rated Operational Current (Ie) | 500 A at AC-3, 380/400 V |
| Rated Operational Voltage (Ue) | 220–690 V AC |
| Motor Power at 380/400 V | 250 kW |
| Control Coil Voltage | 220–240 V AC/DC |
| Number of Poles | 3P |
| Built-in Auxiliary Contacts | 2 NO + 2 NC |
| Mounting Method | Screw Mounting |
| Application | AC Motor Control and Remote Circuit Switching |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1 |








