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Chint NB1-63DH4P32 MCB – 4P – D Curve – 32A – 10kA
Chint NB1-63DH4P32 4 pole 32 A D curve miniature circuit breaker with 10 kA breaking capacity for overload and short-circuit protection in commercial and industrial electrical installations.
£30.69
Why Choose the Chint NB1-63DH4P32 Miniature Circuit Breaker?
The Chint NB1-63DH4P32 is a dependable 4 pole miniature circuit breaker (MCB) engineered to provide reliable overload and short-circuit protection for low-voltage electrical installations. As part of the proven Chint NB1 Series, this MCB is designed for commercial, industrial and OEM applications where safe, consistent circuit protection is essential.
With a 32 A rated current, D curve tripping characteristic and 10 kA breaking capacity, the NB1-63DH4P32 is particularly suited to circuits supplying equipment with high inrush currents, including motors, transformers, compressors and other inductive loads. The four-pole design enables simultaneous protection and isolation of three-phase systems with neutral.
Its compact DIN rail mounted construction allows straightforward installation inside distribution boards, switchgear assemblies and control panels. Designed for durability and compliance with recognised international standards, the NB1-63DH4P32 delivers dependable protection throughout the life of the installation.
Key Advantages
- Compact 4 pole miniature circuit breaker for three-phase electrical systems.
- 32 A rated current for reliable circuit protection.
- D curve characteristic suitable for high inrush current applications.
- 10 kA breaking capacity for dependable fault protection.
- Provides overload protection, short-circuit protection, switching and isolation.
- DIN rail mounting for rapid installation in control panels and distribution boards.
Key Features
- Chint NB1 Series miniature circuit breaker.
- 4 pole configuration.
- 32 A rated current.
- D curve tripping characteristic.
- 10 kA rated breaking capacity.
- Designed for AC 50 / 60 Hz electrical systems.
- DIN rail mounting.
- Suitable for circuit protection, switching and electrical isolation.
Reliable Protection for Low Voltage Power Distribution
The Chint NB1-63DH4P32 automatically disconnects electrical circuits when overloads or short circuits occur, helping to protect cables, switchgear and connected equipment from damage. Its dependable thermal and magnetic trip mechanism provides consistent protection across a wide range of industrial and commercial applications.
The D curve characteristic is intended for installations with higher starting currents, making this MCB ideal for transformer circuits, motor loads, compressors and other inductive equipment where nuisance tripping must be minimised.
Typical Applications
- Industrial control panels.
- Three-phase distribution boards.
- Motor control circuits.
- Transformer protection.
- Commercial electrical installations.
- OEM machinery and automation systems.
Technical Specifications
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| Current | 32 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Chint | |
| Series | NB1 Series | |
| Model | NB1-63DH4P32 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 4 pole | |
| Rated current | 32 A | |
| Tripping characteristic | D curve | |
| Rated breaking capacity | 10 kA | |
| Rated voltage | 400 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Protection functions | Overload and short-circuit protection | |
| Mounting type | DIN rail mounting | |
| Protection rating | IP20 | |
| Standard | IEC / EN 60898-1 |
Frequently Asked Questions
What is the Chint NB1-63DH4P32 used for?
The NB1-63DH4P32 provides overload and short-circuit protection for three-phase low-voltage electrical circuits in industrial and commercial installations.
What is the current rating of this circuit breaker?
This miniature circuit breaker has a rated current of 32 A.
Why choose a D curve MCB?
D curve circuit breakers are designed for applications with high inrush currents, including motors, transformers and other inductive loads.
How many poles does the NB1-63DH4P32 have?
The NB1-63DH4P32 features a 4 pole configuration for protecting and isolating three-phase systems with neutral.
What is the rated breaking capacity?
The Chint NB1-63DH4P32 provides a 10 kA rated short-circuit breaking capacity.
Trusted by Electrical Professionals Worldwide
Chint NB1 Series miniature circuit breakers are trusted by panel builders, electrical contractors and industrial maintenance engineers for dependable protection in commercial and industrial electrical systems.
