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ABB F204 AC-125/0.3 L RCD – 4P – Type AC – 125A – 300mA
ABB F204 AC-125/0.3 L four pole Type AC residual current circuit breaker with 125 A rated current, 300 mA residual operating current and left-hand neutral configuration for commercial and industrial electrical protection.
£938.70
Why Choose the ABB F204 AC-125/0.3 L Residual Current Circuit Breaker?
The ABB F204 AC-125/0.3 L is a high-capacity 4 pole residual current circuit breaker (RCCB) designed to provide dependable protection against earth leakage faults in commercial, industrial and infrastructure electrical installations. As part of the trusted ABB F200 Series, it delivers reliable residual current protection for demanding three-phase distribution systems.
With a 125 A rated current and a 300 mA rated residual operating current, this RCCB is suitable for higher-load electrical installations where dependable earth fault and fire protection is required. Its Type AC characteristic detects alternating sinusoidal residual currents, helping reduce the risk of electric shock and electrical fires caused by insulation faults.
The L variant features the neutral terminal positioned on the left, making it suitable for switchboards and distribution boards requiring this specific wiring arrangement. Its compact DIN rail design, robust construction and ABB engineering quality make it a reliable choice for professional electrical installations.
Key Advantages
- High-capacity 4 pole RCCB for commercial and industrial applications.
- 125 A rated current for demanding electrical distribution systems.
- 300 mA residual operating current for earth leakage and fire protection.
- Type AC protection for alternating sinusoidal residual currents.
- Left-hand neutral terminal configuration for specific panel layouts.
- DIN rail mounting with reliable ABB F200 Series performance.
Key Features
- ABB F200 Series RCCB.
- 125 A rated current.
- 300 mA rated residual current.
- 4 pole configuration.
- Type AC residual current detection.
- 230 / 400 V AC rated operational voltage.
- 50 / 60 Hz rated frequency.
- Instantaneous tripping characteristic.
- DIN rail mounting.
- Screw terminal connections.
Reliable Earth Leakage Protection
Residual current circuit breakers monitor the current balance between live conductors and disconnect the circuit when earth leakage is detected. This helps protect people, equipment and buildings from hazards caused by insulation failure, accidental contact with live parts or fault currents to earth.
The ABB F204 AC-125/0.3 L is designed for higher-current three-phase installations where dependable residual current protection is essential. Its 4 pole configuration and left-hand neutral arrangement make it well suited to professional distribution boards, switchgear assemblies and industrial control panels.
Typical Applications
- Commercial electrical distribution boards.
- Industrial switchgear assemblies.
- High-capacity three-phase power distribution.
- Manufacturing and processing facilities.
- Infrastructure and public building installations.
- Electrical panels requiring left-hand neutral RCCB configuration.
Technical Specifications
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| Product Series | ABB F200 | |
|---|---|---|
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | RCD | |
| Residual Current | 300 mA | |
| RCD Type | Type AC | |
| Manufacturer | ABB | |
| Series | F200 RCCB Series | |
| Model | F204 AC-125/0.3 L | |
| Product ID | 2CSF204023R3950 | |
| Product type | Residual Current Circuit Breaker (RCCB) | |
| Rated current | 125 A | |
| Rated residual operating current | 300 mA | |
| Residual current type | Type AC | |
| Rated operational voltage | 230 / 400 V AC | |
| Rated insulation voltage | 500 V | |
| Rated impulse withstand voltage | 4 kV | |
| Frequency | 50 / 60 Hz | |
| Number of poles | 4 | |
| Operating characteristic | Instantaneous | |
| Rated conditional short-circuit current | 10 kA | |
| Maximum surge current | 0.25 kA | |
| Protection rating | IP2X | |
| Mounting type | DIN rail | |
| Neutral terminal position | Left | |
| Dimensions (H × W × D) | approx. 85 × 72 × 69.5 mm | |
| Weight | approx. 0.50 kg | |
| Standards | IEC/EN 61008 |
Frequently Asked Questions
What is the ABB F204 AC-125/0.3 L used for?
It provides residual current protection by disconnecting the circuit when earth leakage current is detected, helping protect people, equipment and electrical installations.
What does the 125 A rating mean?
The 125 A rating indicates the maximum continuous current the RCCB is designed to carry under normal operating conditions.
What does the 300 mA sensitivity provide?
The 300 mA residual operating current provides earth leakage protection commonly used for equipment protection and reducing fire risk in electrical installations.
What does Type AC mean on this RCCB?
Type AC means the device is designed to detect alternating sinusoidal residual currents.
What does the L version indicate?
The L version indicates that the neutral terminal is positioned on the left-hand side, making it suitable for distribution boards requiring this wiring arrangement.
Trusted by Electrical Professionals Worldwide
ABB F200 Series residual current circuit breakers are widely trusted by electricians, panel builders and electrical engineers for dependable earth leakage protection, robust construction and reliable performance in demanding installations.
