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Chint NB1L-63 miniature circuit breaker 3-pole C16/20/25/32/40A 6kA
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CHINT NB1L-63 3-Pole C Curve Circuit Breaker 16–40 A, 6 kA
The CHINT NB1L-63 3-pole circuit breaker with C tripping characteristic is designed for three-phase electrical circuits with higher inrush currents. It provides protection against overload and short circuit and is suitable for professional electrical installations in commercial and technical applications.
The available rated currents of 16, 20, 25, 32 and 40 A allow flexible use in different three-phase circuits, while the 6 kA breaking capacity supports reliable protection in standard low-voltage installations.
3-pole protection for three-phase circuits
- 3-pole circuit breaker
- C tripping characteristic
- Rated currents: 16, 20, 25, 32 and 40 A
- Breaking capacity: 6 kA
- Protection against overload and short circuit
- Suitable for professional three-phase installations
C characteristic for circuits with higher inrush currents
The C tripping characteristic makes this version particularly suitable for circuits where short-term higher starting currents may occur.
- Suitable for motors and inductive loads
- Suitable for equipment with increased switch-on current
- Designed for commercial and technical electrical installations
- Three-phase protection across all three poles
Reliable protection for electrical installations
The 3-pole C-curve model offers 16–40 A choices for three-phase installations with loads requiring the selected C tripping characteristic.
- Reliable switching behaviour
- Compact design for distribution boards
- Suitable for professional electrical projects
- Certified according to VDE, CE, CB Test and TÜV documentation provided below
Typical applications
- Three-phase electrical circuits
- Commercial electrical installations
- Motors and inductive consumers
- Distribution boards
- Technical equipment with higher starting currents
- Professional installation and project business
Technical data
| Certificates | VDE, CE, CB Test, TÜV |
| Rated current | 16 / 20 / 25 / 32 / 40 A |
| Number of poles | 3 |
| Tripping characteristic | C |
| Breaking capacity | 6 kA |
| Dimensions (L × W × H) | 78 × 18 × 86 mm |
| Manufacturer colour | Blue / White |
Downloads
Minimum order quantity
Minimum order quantity: 4 pieces
