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 BR6D4020A MCB – 4P – D Curve – 20A – 6kA
IMO BR6D4020A 4 pole 20A D curve miniature circuit breaker with 6 kA breaking capacity for industrial and commercial electrical protection.
£24.30
Why Choose the IMO BR6D4020A Miniature Circuit Breaker?
The IMO BR6D4020A is a high-performance 4 pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. Manufactured by IMO Precision Controls, this compact protective device offers reliable circuit protection for distribution boards, machinery and control panels.
Featuring a D curve tripping characteristic, the BR6D4020A is ideally suited to circuits with high inrush currents, including motors, transformers, power supplies and other inductive loads. Its 4 pole configuration provides comprehensive switching and protection for three-phase systems requiring neutral isolation.
With a 20 A rated current, 230/400 V AC rated voltage and a 6 kA short circuit breaking capacity, the IMO BR6D4020A delivers reliable protection while supporting straightforward DIN rail installation in demanding industrial environments.
Key Advantages
- 20 A rated current for dependable circuit protection.
- 4 pole configuration for three-phase electrical systems.
- D curve tripping characteristic for high inrush current applications.
- 6 kA breaking capacity for reliable short circuit protection.
- DIN rail mounting for quick and secure installation.
- Suitable for industrial control panels, machinery and commercial distribution boards.
Key Features
- IMO BR6 Series Miniature Circuit Breaker.
- 20 A rated current.
- 4 pole device.
- D curve trip characteristic.
- 6 kA short circuit breaking capacity.
- 230/400 V AC rated voltage.
- DIN rail mounting.
- Finger-safe IP20 terminals.
Reliable Circuit Protection for High Inrush Loads
Miniature circuit breakers automatically disconnect electrical circuits during overload or short circuit conditions, helping protect wiring, connected equipment and personnel. The IMO BR6D4020A provides dependable protection while supporting safe and efficient operation across industrial electrical systems.
Its D curve characteristic allows the breaker to tolerate higher start-up currents before tripping, making it suitable for motors, transformers and inductive equipment where nuisance tripping must be minimised without compromising protection.
Typical Applications
- Industrial control panels.
- Three-phase distribution boards.
- Motor control circuits.
- Transformer protection.
- OEM machinery and automation systems.
- Commercial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | BR6 Miniature Circuit Breakers | |
| Model | BR6D4020A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 20 A | |
| Number of poles | 4 | |
| Tripping curve | D Curve | |
| Breaking capacity | 6 kA | |
| Rated voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Mounting type | TS35 DIN rail | |
| Protection rating | IP20 terminals | |
| Operating temperature | -30°C to +60°C | |
| Standards | IEC 60898-1 | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO BR6D4020A used for?
The BR6D4020A protects electrical circuits against overloads and short circuits in industrial, commercial and OEM electrical installations.
What is the rated current?
This miniature circuit breaker has a 20 A rated current.
What does the D curve characteristic mean?
A D curve breaker is designed for circuits with high inrush currents, making it suitable for motors, transformers, power supplies and inductive loads.
What is the breaking capacity?
The IMO BR6D4020A has a 6 kA short circuit breaking capacity.
How is the breaker installed?
The breaker is designed for installation onto a standard TS35 DIN rail inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
IMO miniature circuit breakers are trusted by electricians, machine builders and panel manufacturers for dependable circuit protection, robust construction and straightforward installation.
