Chint NB1-63 / NB1-63H miniature circuit breaker is designed for low-voltage distribution systems and provides reliable overload and short-circuit protection for distribution boards, control panels, building electrical circuits, and export-oriented panel assembly applications. The NB1-63 / NB1-63H series supports different breaking-capacity versions for DIN rail installation and practical low-voltage distribution applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Series | NB1-63 / NB1-63H |
| Type | Miniature Circuit Breaker (MCB) |
| Trip Curve | B / C / D |
| Rated Current | 1A – 63A |
| Pole Number | 1P / 2P / 3P / 4P |
| Rated Voltage | 220V / 230V / 240V / 380V / 400V |
| Rated Frequency | 50Hz / 60Hz |
| Breaking Capacity | 6kA / 10kA |
| Certificate | UL1077 / VDE / CB / CE / CCC / Semko |
| Application | Low-voltage distribution / Panel supply / DIN rail mounting |
