Product Overview
The Chint NB1-63-H2 miniature circuit breaker operates across rated voltages of 230/400V to 240/415V with current ratings from 1A to 63A. Available in 1P, 1P+N, 2P, 3P, 3P+N, and 4P configurations, it mounts on EN 60715 35mm DIN rail using a fast clip device. Featuring terminal connections compatible with cables, U-type busbars, and Pin-type busbars, it serves domestic, commercial, and industrial electrical distribution installations compliant with IEC/EN 60947.
Technical Parameters
| Poles | 1P, 1P+N, 2P, 3P, 3P+N, 4P |
| Rated Operational Voltage Ue | 230/400~240/415 V |
| Rated Current In | 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 A |
| Model | NB1-63-H2 |
Key Selling Points
Technical Highlights
- Standard: IEC/EN 60947
- Poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P
- Rated operational voltage Ue: 230/400~240/415 V
- Rated current In: 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 A
- Mounting: On DIN rail EN 60715 (35mm) by means of fast clip device
- Terminal connection type: Cable, U-type busbar, Pin-type busbar
- Weight: 0.11 kg per pole
Reference Datasheet Pages
The following pages were selected from the model catalogue and are included for technical reference:
NB1-63-H2 Catalog and Technical Data








