Why Choose the Chint NB1-63D4P10 Miniature Circuit Breaker?
The Chint NB1-63D4P10 is a high-performance four-pole miniature circuit breaker (MCB) engineered to provide dependable overload, short circuit and isolation protection for low-voltage electrical installations. As part of the trusted Chint NB1-63 series, it delivers reliable circuit protection for commercial, industrial and OEM applications.
Featuring a D curve tripping characteristic, this MCB is particularly suited to circuits supplying equipment with high inrush currents, including transformers, motors and other inductive loads. Its robust construction, compact DIN rail design and proven Chint quality make it an excellent choice for modern distribution systems.
With a 10 A current rating, 6 kA breaking capacity and four-pole configuration, the NB1-63D4P10 provides effective protection while ensuring safe circuit isolation where all live conductors require simultaneous disconnection.
Key Advantages
- Reliable overload and short circuit protection.
- 10 A rated current for low-voltage distribution circuits.
- D curve tripping characteristic for high inrush current applications.
- 6 kA breaking capacity for dependable fault protection.
- Four-pole design for complete circuit isolation.
- Compact DIN rail mounting for fast installation.
- Suitable for commercial, industrial and OEM control panels.
Key Features
- Chint NB1-63 miniature circuit breaker series.
- 10 A rated current.
- D curve tripping characteristic.
- 4 pole (4P) configuration.
- 6 kA rated breaking capacity.
- 50/60 Hz operation.
- DIN rail mounting.
- Suitable for overload, short circuit and isolation protection.
Reliable Circuit Protection for Industrial Installations
Miniature circuit breakers automatically disconnect electrical circuits during overload or short circuit conditions, helping protect wiring, connected equipment and personnel. The NB1-63D4P10 combines thermal and magnetic protection to deliver fast fault clearance and dependable long-term performance.
Its D curve characteristic makes it particularly suitable for installations where equipment produces high starting currents, reducing nuisance tripping while maintaining effective protection against electrical faults.
Typical Applications
- Industrial control panels.
- Motor and transformer protection.
- Machine building and OEM equipment.
- Three-phase distribution boards.
- Commercial electrical installations.
- Power distribution systems with high inrush loads.
