Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Chint NB1-63B1P01 1 pole miniature circuit breaker with 1 A rating, B curve trip characteristic and 6 kA breaking capacity for overload and short-circuit protection.
£2.92
The Chint NB1-63B1P01 is a high-quality miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for low voltage electrical installations. As part of the proven Chint NB1-63 series, it delivers reliable circuit protection for residential, commercial and light industrial applications.
This 1 pole B curve MCB features a 1 A rated current and a 6 kA breaking capacity, making it ideal for protecting low current lighting circuits, control circuits and sensitive electrical equipment. The B curve trip characteristic provides fast protection for circuits with low inrush currents.
Designed for installation on a standard 35 mm DIN rail, the NB1-63B1P01 offers quick installation, dependable performance and a compact modular design suitable for modern distribution boards and consumer units.
The Chint NB1-63B1P01 automatically disconnects electrical circuits when overloads or short circuits occur, helping prevent cable damage and reducing the risk of electrical faults. Its B curve characteristic is particularly suited to lighting circuits and other resistive loads with low starting currents.
Its compact modular design allows easy installation within consumer units, distribution boards and electrical control panels, making it suitable for both new installations and maintenance projects.
Tick the specs you need, then view products that match.
| Current | 1 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | Chint | |
| Series | NB1-63 | |
| Model | NB1-63B1P01 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 1 A | |
| Number of poles | 1 Pole | |
| Tripping characteristic | B Curve | |
| Rated voltage | 230 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated 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 |
The NB1-63B1P01 protects electrical circuits against overloads and short circuits in residential, commercial and industrial installations.
This miniature circuit breaker has a rated current of 1 A.
A B curve MCB trips between 3 and 5 times its rated current, making it suitable for lighting and other resistive loads with low inrush currents.
The NB1-63B1P01 has a rated short-circuit breaking capacity of 6 kA.
The breaker is designed for installation onto a standard 35 mm DIN rail inside consumer units, distribution boards and electrical panels.
Chint NB1 miniature circuit breakers are trusted by electricians, panel builders and maintenance engineers for dependable circuit protection across residential, commercial and industrial electrical installations.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.