CHINT · Miniature circuit breaker
Product overview
The CHINT NXB-63 is a DIN rail circuit-breaker series for overload and short-circuit protection in low-voltage distribution boards. Select the pole arrangement, current rating and tripping curve for the circuit being protected.
Technical selection summary
| Series | NXB-63 |
|---|---|
| Rated current | 1–63 A |
| Pole options | 1P, 1P+N, 2P, 3P, 3P+N and 4P, depending on model |
| Tripping curves | B, C and D |
| Breaking capacity | 6 kA for the NXB-63 version |
| Frequency | 50/60 Hz |
Typical applications
- Building distribution boards
- Commercial branch circuits
- Panel-builder procurement




















