CHINT NXB-125G miniature circuit breaker is designed for AC 50Hz/60Hz low-voltage distribution circuits and provides reliable overload protection, short-circuit protection, and isolation for commercial, industrial, and project-based power distribution systems. The NXB-125G series supports high breaking capacity, multiple pole configurations, and DIN rail installation for demanding applications requiring stronger protection performance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Series | NXB-125G |
| Type | Miniature Circuit Breaker (MCB) |
| Trip Curve | B / C / D / OV (3P 80A only) |
| Rated Current | 63A, 80A, 100A (1P / 2P / 3P / 4P); 125A (1P / 2P) |
| Pole Number | 1P / 2P / 3P / 4P |
| Rated Voltage | 240V AC (1P); 415V AC (2P / 3P / 4P) |
| Rated Frequency | 50Hz / 60Hz |
| Breaking Capacity | High breaking capacity up to 10kA |
| Protection Function | Overload protection / Short-circuit protection / Isolation |
| Temperature Performance | Rated performance at 30°C; derating above 30°C |
| Mounting | DIN rail |
| Standard | IEC 60898-1 |
| Certification | CE |
| Application | Commercial installations / Industrial panels / Heavy-duty machinery / High breaking-capacity distribution |
