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IMO BR6B4020A MCB – 4P – B Curve – 20A – 6kA
IMO BR6B4020A 4 pole miniature circuit breaker with 20A rated current, B curve tripping characteristic and 6kA short circuit breaking capacity for industrial and commercial circuit protection.
£21.78
Why Choose the IMO BR6B4020A Miniature Circuit Breaker?
The IMO BR6B4020A is a compact and reliable 4 pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the IMO BR6 miniature circuit breaker range, it provides dependable protection for commercial, industrial and control panel applications.
This circuit breaker is designed for straightforward DIN rail installation and dependable long term performance in electrical distribution systems. Its modular construction, contact position indication and finger protected terminals make it suitable for panel builders, electrical contractors and OEM machine builders requiring safe and efficient circuit protection.
With a 20A rated current, B curve tripping characteristic, 4 pole configuration and 6kA short circuit breaking capacity, the BR6B4020A is ideal for low inrush three-phase circuits, distribution boards, control systems and general electrical protection applications.
Key Advantages
- Compact 4 pole miniature circuit breaker for industrial and commercial installations.
- 20A rated current for dependable circuit protection.
- B curve tripping characteristic suitable for circuits with low inrush current.
- 6kA short circuit breaking capacity.
- DIN rail mounting for fast and secure installation.
- Finger protected terminals support safer wiring and maintenance.
Key Features
- IMO BR6 miniature circuit breaker series.
- 20A rated current.
- B curve tripping characteristic.
- 4 pole configuration.
- 6kA breaking capacity.
- 230/400V AC rated operational voltage.
- Contact position indication window.
- Suitable for terminal, pin and fork type busbar connection.
- Finger protected connection terminals.
- Manufactured in accordance with IEC 60898-1.
Reliable Circuit Protection for Electrical Installations
Miniature circuit breakers such as the IMO BR6B4020A automatically disconnect electrical circuits when overload or short circuit faults occur. This helps protect wiring, connected devices and electrical distribution systems while allowing the circuit to be reset once the fault has been cleared.
The B curve characteristic makes this MCB suitable for circuits with lower starting currents, including lighting, control circuits, small loads and general distribution applications where fast overcurrent protection is required.
Typical Applications
- Industrial control panels.
- Commercial electrical distribution boards.
- Three-phase low inrush circuits.
- Lighting and control circuits.
- OEM equipment and machine building.
- General electrical protection systems.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | BR6 Miniature Circuit Breakers | |
| Model | BR6B4020A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 20A | |
| Tripping characteristic | B Curve | |
| Number of poles | 4 Pole | |
| Rated operational voltage | 230/400V AC | |
| Frequency | 50 / 60Hz | |
| Short circuit breaking capacity | 6kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standard | IEC 60898-1 | |
| Terminal type | Finger protected terminals | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO BR6B4020A used for?
The BR6B4020A is used to protect electrical circuits against overloads and short circuits in industrial, commercial and control panel installations.
What is the current rating of this circuit breaker?
This model has a 20A rated current.
What does B curve mean on the BR6B4020A?
A B curve miniature circuit breaker typically trips between three and five times its rated current, making it suitable for circuits with low inrush currents.
How many poles does the BR6B4020A have?
The BR6B4020A has a 4 pole configuration, making it suitable for three-phase circuits where all poles require protection and isolation.
How is this MCB installed?
The BR6B4020A is designed for standard DIN rail mounting inside electrical distribution boards, machinery panels and industrial control enclosures.
Trusted by Electrical Professionals Worldwide
IMO BR6 miniature circuit breakers are trusted by panel builders, electrical contractors and OEMs for reliable overcurrent protection, compact installation and dependable performance in industrial and commercial electrical systems.
