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Chint NB1-63DH4P02 MCB – 4P – D Curve – 2A – 10kA
Chint NB1-63DH4P02 4 pole D curve 2A miniature circuit breaker with 10kA breaking capacity for reliable overload and short circuit protection in commercial and industrial electrical installations.
£30.69
Why Choose the Chint NB1-63DH4P02 Miniature Circuit Breaker?
The Chint NB1-63DH4P02 is a high performance 4 pole miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection in commercial, industrial and OEM electrical installations. As part of the proven Chint NB1-63H Series, this model features a 10 kA breaking capacity, making it suitable for installations where higher prospective fault currents may be encountered.
With a 2 A rated current and a D curve tripping characteristic, the NB1-63DH4P02 is particularly suited to protecting low current circuits supplying equipment with high inrush currents, including transformers, solenoids, contactors and specialised industrial control equipment. Its four pole design enables simultaneous isolation of all conductors for improved operational safety.
Designed for installation on a standard 35 mm DIN rail, the NB1-63DH4P02 combines compact dimensions, reliable performance and long service life, making it an excellent choice for electrical contractors, panel builders and maintenance engineers.
Key Advantages
- Compact 4 pole miniature circuit breaker.
- 2 A rated current for specialised low current circuits.
- D curve tripping characteristic for high inrush current applications.
- 10 kA breaking capacity for dependable fault protection.
- Provides reliable overload and short circuit protection.
- DIN rail mounting for quick installation.
- Suitable for commercial, industrial and OEM electrical systems.
Key Features
- Manufacturer: Chint
- Series: NB1-63H
- Model: NB1-63DH4P02
- 4 pole configuration.
- 2 A rated current.
- D curve tripping characteristic.
- 10 kA rated breaking capacity.
- Suitable for AC 50 / 60 Hz systems.
- Compact DIN rail mounted design.
- Compatible with selected NB1 accessories.
Reliable Protection for High Inrush Current Circuits
The Chint NB1-63DH4P02 automatically disconnects electrical circuits when overload or short circuit conditions occur, protecting wiring, equipment and connected machinery from damage while improving installation safety.
Its D curve characteristic is designed for applications with high starting currents, including transformers, magnetic devices, industrial control systems and specialised machinery. The four pole design provides complete isolation across three phase installations whenever required.
Typical Applications
- Industrial control panels.
- Transformer protection circuits.
- Motor control equipment.
- Magnetic contactor circuits.
- OEM machinery.
- Commercial electrical installations.
- Three phase electrical distribution systems.
Technical Specifications
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| Current | 2 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Chint | |
| Series | NB1-63H | |
| Model | NB1-63DH4P02 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 2 A | |
| Number of poles | 4 | |
| Trip characteristic | D Curve | |
| Rated breaking capacity | 10 kA | |
| Rated voltage | 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated insulation voltage (Ui) | 500 V | |
| Rated impulse withstand voltage (Uimp) | 6 kV | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Mechanical life | Up to 20,000 operations | |
| Electrical life | Up to 10,000 operations | |
| Operating temperature | -25°C to +70°C |
Frequently Asked Questions
What is the Chint NB1-63DH4P02 used for?
It protects low voltage electrical circuits against overload and short circuit faults while allowing safe isolation in industrial and commercial installations.
What current rating does this breaker have?
The NB1-63DH4P02 has a 2 A rated current, making it suitable for specialised low current circuits.
What does the D curve trip characteristic mean?
D curve miniature circuit breakers typically trip between 10 and 20 times their rated current, making them suitable for circuits supplying equipment with high inrush currents such as transformers and motors.
What is the breaking capacity of this MCB?
The NB1-63DH4P02 has a 10 kA breaking capacity, enabling it to safely interrupt high fault currents.
How is the breaker installed?
The breaker is designed for installation onto a standard 35 mm DIN rail inside electrical distribution boards, switchgear and industrial control panels.
Trusted by Electrical Professionals Worldwide
Chint NB1 Series miniature circuit breakers are widely trusted by electrical contractors, panel builders and industrial engineers for dependable circuit protection, long service life and reliable performance in demanding electrical installations.
