NC8 series AC contactor is mainly used for AC 50Hz (or 60Hz), rated working voltage up to 690V, in AC-3/415V use category under rated working current up to 100A circuits, for remote connection and disconnection of circuits, and can be used with suitable thermal overload relay to protect circuits that may have over-current operation. The contactor is suitable for frequent starting and controlling of AC motors.
This manual provides the necessary information to install, commission, and operate the NC8 series alternating contactors. It includes safety guidelines, wiring diagrams, and detailed technical data for each model variant.
The document also contains tables of electrical ratings, mechanical dimensions, and performance curves, helping technicians select the correct configuration and perform maintenance tasks safely.
| Voltage rating | 24V~48V AC/DC |
|---|---|
| Power rating | 0.75 kW to 125 kW |
| Operating temperature range | -25°C to +55°C |
| Standards compliance | GB 14048.1, GB 14048.4, IEC/EN 60947-1, IEC/EN 60947-4-1, UL, CE, KEMA |
The NC8 contactors are rated for 24 V to 48 V AC/DC operation.
They can be used from –25 °C up to +55 °C.