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.
IMO B10B1020A MCB – 1P – B Curve – 20A – 10kA
IMO B10B1020A single pole 20 A B Curve miniature circuit breaker with 10 kA breaking capacity for industrial and commercial electrical circuit protection.
£7.12
Why Choose the IMO B10B1020A Miniature Circuit Breaker?
The IMO B10B1020A is a reliable single pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the dependable IMO B10 series, this 20 A B Curve breaker is suitable for industrial control panels, commercial installations and general low voltage distribution applications.
The IMO B10 range is engineered for straightforward DIN rail installation and consistent circuit protection. Its compact construction, finger protected terminals and clear contact position indication make it a practical choice for panel builders, electrical contractors and maintenance engineers.
With a 20 A current rating, B Curve tripping characteristic and 10 kA short circuit breaking capacity, the IMO B10B1020A is well suited to lighting circuits, control circuits, distribution boards and other applications where low inrush current protection is required.
Key Advantages
- Compact single pole miniature circuit breaker.
- 20 A rated current for reliable circuit protection.
- B Curve characteristic for low inrush current applications.
- 10 kA breaking capacity for dependable fault protection.
- DIN rail mounting for quick installation in panels and boards.
- Suitable for industrial, commercial and OEM electrical systems.
Key Features
- IMO B10 miniature circuit breaker series.
- Single pole (1P) configuration.
- 20 A current rating.
- B Curve tripping characteristic.
- 10 kA short circuit breaking capacity.
- Suitable for 240/415 V AC systems.
- 35 mm DIN rail mounting.
- Finger protected terminals with contact position indication.
Reliable Protection for Electrical Circuits
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions occur, helping protect wiring, connected equipment and electrical systems from damage. The IMO B10 series provides dependable switching performance and consistent protection for low voltage installations.
The B Curve characteristic makes the B10B1020A suitable for circuits with low inrush current, helping provide effective protection while reducing the risk of nuisance tripping in suitable applications.
Typical Applications
- Industrial control panels.
- Commercial electrical installations.
- Lighting circuits.
- Distribution boards.
- Machine builders and OEM equipment.
- General low voltage circuit protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 20 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 | |
| Model | B10B1020A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Number of poles | 1 | |
| Current rating | 20 A | |
| Tripping characteristic | B Curve | |
| Breaking capacity | 10 kA | |
| Rated voltage | 240/415 V AC, 60 V DC | |
| Frequency | 50 / 60 Hz | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 85.5 × 17.6 × 78 mm | |
| Weight | Approx. 0.1 kg | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10B1020A used for?
It is used to protect electrical circuits against overloads and short circuits in industrial, commercial and general low voltage installations.
What is the rated current?
The IMO B10B1020A has a rated current of 20 A.
What does the B Curve characteristic mean?
B Curve circuit breakers typically trip between 3 and 5 times their rated current, making them suitable for lighting and general purpose circuits with low inrush currents.
What is the short circuit breaking capacity?
The breaker provides a 10 kA short circuit breaking capacity for reliable electrical fault protection.
How is the B10B1020A installed?
The breaker mounts directly onto a standard 35 mm DIN rail inside electrical control panels and distribution boards.
Trusted by Electrical Professionals Worldwide
IMO B10 miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for dependable overcurrent protection, compact installation and reliable performance across a wide range of electrical applications.
