CHINT NXB-80 miniature circuit breaker is designed for AC 50Hz/60Hz low-voltage distribution circuits and provides reliable overload protection, short-circuit protection, and positive isolation for distribution boards, control panels, and higher-load electrical systems. The NXB-80 series supports 1P, 1P+N, and 2P configurations, B / C / D tripping characteristics, and DIN rail installation for residential, commercial, and light industrial power distribution applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Series | NXB-80 |
| Type | Miniature Circuit Breaker (MCB) |
| Trip Curve | B / C / D |
| Rated Current | 80A |
| Pole Number | 1P / 1P+N / 2P |
| Rated Voltage | 240V AC |
| Rated Frequency | 50Hz / 60Hz |
| Breaking Capacity | 6kA |
| Protection Function | Overload protection / Short-circuit protection / Positive isolation |
| Mechanical Life | 20,000 cycles |
| Electrical Life | 10,000 cycles |
| Rated Impulse Withstand Voltage | 4kV |
| Power Consumption per Pole | ≤ 6.5W |
| Standard | IEC 60898-1 |
| Certification | CE |
| Application | Low-voltage distribution / Commercial panels / Higher-load circuit protection / DIN rail mounting |
