ABB F204ACS-40/0.5 4 pole Type AC residual current circuit breaker with 40 A rated current and 500 mA sensitivity for commercial and industrial electrical protection.
£239.58
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.
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.
| Current | 40 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | F200 |
| Model | F204 AC-40/0.5 |
| Product ID | 2CSF204001R4400 |
| EAN | 8012542782209 |
| Product type | Residual Current Circuit Breaker (RCCB) |
| Rated current | 40 A |
| Rated residual operating current | 500 mA |
| Residual current type | Type AC |
| Operating characteristic | Instantaneous |
| Number of poles | 4 |
| Rated voltage | 230/400 V AC |
| Maximum operating voltage | 480Y / 277 V AC |
| Frequency | 50 / 60 Hz |
| Rated conditional short-circuit current | 10 kA |
| Maximum surge current | 0.25 kA |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | approx. 85 × 70 × 69 mm |
| Weight | approx. 0.36 kg |
It provides Type AC residual current protection against earth leakage faults in commercial, industrial and infrastructure electrical installations.
The ABB F204ACS-40/0.5 has a 40 A rated current.
This model provides 500 mA residual current sensitivity, making it suitable for fault protection and fire protection applications.
Type AC protection detects alternating sinusoidal residual currents found in conventional AC electrical installations.
It is commonly installed on a DIN rail within commercial distribution boards, industrial control panels and electrical switchboards.
ABB F200 residual current circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for reliable earth leakage protection, robust construction and dependable long-term performance.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...