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Chint NB1-63B2P01 MCB – 2P – B Curve – 1A – 6kA
Chint NB1-63B2P01 2 pole miniature circuit breaker with 1 A rated current, B curve tripping characteristic and 6 kA breaking capacity for overload and short-circuit protection.
£8.34
Why Choose the Chint NB1-63B2P01 Miniature Circuit Breaker?
The Chint NB1-63B2P01 is a compact and dependable miniature circuit breaker (MCB) designed to protect low voltage electrical circuits against overloads and short circuits. As part of the Chint NB1-63 series, it provides reliable circuit protection for residential, commercial and light industrial electrical installations.
This 2 pole B curve MCB features a 1 A rated current, making it suitable for low current control circuits, auxiliary supplies, signalling circuits and sensitive electrical equipment. The B curve tripping characteristic provides fast protection for circuits with low inrush currents.
With a rated short-circuit breaking capacity of 6 kA and a standard 35 mm DIN rail mounting format, the NB1-63B2P01 is easy to install within consumer units, distribution boards and electrical control panels. Its 2 pole design enables simultaneous disconnection of two conductors for improved circuit isolation.
Key Advantages
- Compact 2 pole miniature circuit breaker.
- 1 A rated current for low current circuits.
- B curve trip characteristic for circuits with low inrush current.
- 6 kA short-circuit breaking capacity.
- Reliable overload and short-circuit protection.
- DIN rail installation in distribution boards and control panels.
Key Features
- Chint NB1-63 series MCB.
- 1 A rated current.
- B curve tripping characteristic.
- 2 pole configuration.
- 6 kA breaking capacity.
- 230 / 400 V AC rated voltage.
- DIN rail mounting.
- Suitable for overload and short-circuit protection.
Reliable Protection for Low Current Circuits
Miniature circuit breakers such as the Chint NB1-63B2P01 automatically disconnect electrical circuits when overloads or short circuits occur. This helps protect cables, connected equipment and electrical installations from damage caused by excessive current.
The B curve characteristic makes this MCB suitable for low inrush current circuits, including control circuits, auxiliary supplies, signalling circuits and other low current electrical loads. Its 2 pole format provides simultaneous switching and protection across two conductors.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Control and auxiliary circuits.
- Signalling circuits.
- Low current electrical panels.
- Electrical installations requiring 1 A protection.
Technical Specifications
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| Current | 1 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | Chint | |
| Series | NB1-63 | |
| Model | NB1-63B2P01 | |
| Product type | Miniature circuit breaker / MCB | |
| Rated current | 1 A | |
| Number of poles | 2 pole | |
| Tripping characteristic | B curve | |
| Rated voltage | 230 / 400 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short-circuit breaking capacity | 6 kA | |
| Rated insulation voltage | 500 V | |
| Rated impulse withstand voltage | 4 kV | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Standards | IEC / EN 60898-1 |
Frequently Asked Questions
What is the Chint NB1-63B2P01 used for?
The Chint NB1-63B2P01 is used to protect low current electrical circuits against overloads and short circuits.
What current rating does this MCB have?
This miniature circuit breaker has a rated current of 1 A.
What does the B curve characteristic mean?
A B curve MCB trips between 3 and 5 times its rated current, making it suitable for circuits with low inrush currents.
What is the breaking capacity of this MCB?
The NB1-63B2P01 has a rated short-circuit breaking capacity of 6 kA.
How is the NB1-63B2P01 installed?
The device is designed for installation onto a standard 35 mm DIN rail inside consumer units, distribution boards and electrical panels.
Trusted by Electrical Professionals Worldwide
Chint miniature circuit breakers are trusted by electricians, panel builders and maintenance engineers for dependable circuit protection across residential, commercial and industrial electrical installations.
