Why Choose the ABB F204 AC-40/0.5 Residual Current Circuit Breaker?
The ABB F204 AC-40/0.5 is a reliable 4-pole residual current circuit breaker (RCCB) designed to protect people, equipment and electrical installations against earth leakage faults. As part of the established ABB F200 series, it provides dependable residual current protection for commercial, industrial and building services applications.
This RCCB is designed for DIN rail installation within distribution boards, switchgear assemblies and control panels. Its Type AC operating characteristic is suitable for detecting sinusoidal alternating residual currents in standard AC circuits, helping to improve electrical safety and reduce the risk of damage caused by insulation faults.
With a 40 A rated current and 500 mA rated residual current, the ABB F204 AC-40/0.5 is suited to three-phase electrical installations where robust residual current protection is required. The compact 4-pole format supports efficient panel design while maintaining ABB’s recognised build quality and reliability.
Key Advantages
- Reliable 4-pole RCCB for earth leakage protection.
- 40 A rated current for commercial and industrial circuits.
- 500 mA residual current sensitivity for fault protection applications.
- Type AC protection for sinusoidal alternating residual currents.
- Compact DIN rail mounting for distribution boards and panels.
- Designed to support safe and dependable electrical system operation.
Key Features
- ABB F200 residual current circuit breaker series.
- 4-pole RCCB configuration.
- 40 A rated current.
- 500 mA rated residual current.
- Type AC residual current detection.
- Suitable for three-phase electrical installations.
- Instantaneous residual current protection.
- DIN rail mounting for fast panel installation.
- Compact modular housing.
- Suitable for use in professional electrical distribution systems.
Reliable Earth Leakage Protection for Electrical Installations
Residual current circuit breakers monitor the balance of current flowing through live conductors and disconnect the supply when leakage current to earth exceeds the specified threshold. This helps reduce the risk of electric shock, equipment damage and hazards caused by insulation failure.
The ABB F204 AC-40/0.5 provides practical residual current protection for three-phase electrical systems. Its robust construction, compact form factor and compatibility with standard DIN rail assemblies make it a dependable choice for contractors, panel builders and electrical engineers.
Typical Applications
- Commercial distribution boards.
- Industrial electrical panels.
- Three-phase power distribution systems.
- Building services installations.
- Manufacturing and process environments.
- Electrical switchgear assemblies.
- Control cabinets and panel boards.
- Infrastructure and facilities electrical systems.
