Why Choose the ABB F204ACS-40/0.5 Residual Current Circuit Breaker?
The ABB F204ACS-40/0.5, also known as F204 AC-40/0.5, is a high quality 4 pole residual current circuit breaker (RCCB) designed to protect people and electrical installations against earth fault currents. As part of the proven ABB F200 series, it delivers dependable earth leakage protection for commercial, industrial and infrastructure electrical systems.
This RCCB features Type AC residual current protection, making it suitable for detecting alternating sinusoidal residual currents. With a 500 mA residual operating current, it is commonly installed for upstream fault protection and fire protection in electrical distribution systems, helping minimise damage caused by insulation faults.
With a 40 A rated current, 500 mA residual current sensitivity and 4 pole configuration, the ABB F204ACS-40/0.5 is ideal for protecting three phase distribution boards, industrial control panels and commercial electrical installations.
Key Advantages
- Professional 4 pole RCCB for three phase electrical installations.
- 40 A rated current for commercial and industrial distribution circuits.
- 500 mA residual current sensitivity for fault protection and fire protection.
- Type AC residual current protection for alternating sinusoidal earth leakage currents.
- Instantaneous operating characteristic for rapid fault disconnection.
- Compact DIN rail mounting design for modern distribution boards.
Key Features
- ABB F200 residual current circuit breaker series.
- F204 AC-40/0.5 model designation.
- 40 A rated current.
- 500 mA residual operating current.
- 4 pole configuration.
- Type AC earth leakage protection.
- Instantaneous tripping characteristic.
- DIN rail mounting with screw terminals.
Reliable Type AC Earth Leakage Protection
Residual current circuit breakers continuously monitor the balance of current flowing through live conductors and disconnect the electrical supply whenever earth leakage is detected. This helps protect electrical installations from insulation faults while reducing the risk of fire and equipment damage.
The ABB F204ACS-40/0.5 provides dependable Type AC protection for standard AC electrical installations. Its 500 mA sensitivity makes it particularly suitable for upstream protection and fire protection within commercial and industrial distribution systems.
Typical Applications
- Commercial electrical distribution boards.
- Industrial switchboards and control panels.
- Three phase power distribution systems.
- Building services installations.
- Infrastructure electrical systems.
- Installations requiring 500 mA Type AC residual current protection.
