Why Choose the Chint NB1-63BH4P04 Miniature Circuit Breaker?
The Chint NB1-63BH4P04 is a high-performance four-pole miniature circuit breaker (MCB) designed to provide reliable overload, short circuit and isolation protection for low-voltage electrical installations. As part of the Chint NB1-63H series, it offers enhanced fault protection with a 10 kA breaking capacity, making it suitable for demanding commercial, industrial and OEM electrical systems.
Featuring a B curve tripping characteristic, this MCB is suitable for circuits with lower inrush currents, including lighting circuits, control circuits, resistive loads and long cable runs where sensitive protection is required. Its compact modular construction allows quick installation into distribution boards, switchboards and electrical control panels using standard DIN rail mounting.
With a 4 A rated current, 10 kA breaking capacity and a four-pole configuration, the NB1-63BH4P04 provides dependable protection and simultaneous isolation of all live conductors in low-voltage AC systems.
Key Advantages
- Reliable overload and short circuit protection.
- 4 A rated current for low-current electrical circuits.
- B curve tripping characteristic for sensitive protection applications.
- 10 kA breaking capacity for enhanced fault interruption.
- Four-pole design provides complete circuit isolation.
- Compact DIN rail mounting for fast installation.
- Suitable for commercial, industrial and OEM control panel applications.
Key Features
- Chint NB1-63H miniature circuit breaker series.
- 4 A rated current.
- B curve tripping characteristic.
- 4 pole (4P) configuration.
- 10 kA rated breaking capacity.
- Provides overload, short circuit and isolation protection.
- Suitable for AC 50/60 Hz electrical systems.
- Compact modular DIN rail mounted construction.
Reliable Protection for Low-Current Circuits
Miniature circuit breakers automatically disconnect electrical circuits during overload or short circuit conditions, helping protect wiring, connected equipment and personnel. The Chint NB1-63BH4P04 combines thermal and magnetic trip mechanisms to deliver fast, dependable protection for low-voltage electrical installations.
Its B curve characteristic is intended for circuits with relatively low inrush currents, making it particularly suitable for lighting circuits, resistive loads, control systems and long cable runs where rapid fault protection is required.
Typical Applications
- Commercial distribution boards.
- Industrial control panels.
- Lighting circuits.
- Control and instrumentation systems.
- OEM machinery and automation equipment.
- Three-phase installations requiring four-pole isolation.
