RCBO + AFDD Bi-Pole Universal Circuit Breaker - Protection against Arc, Leakage and Overcurrent
RCBO + AFDD Bipolar (2P) Circuit Breaker — Leakage Protection + Arc Protection + Overcurrent Protection
This circuit breaker isn't "smart" (no Wi-Fi or apps) — but it's safety-smart . It combines leakage protection (to protect people), overcurrent/short-circuit protection (to protect wires and appliances), with AFDD arc detection that picks up hidden fire-causing faults before they escalate.
Key advantages
Explanation of abbreviations (without beating around the bush)
| abbreviation | Meaning | His job |
|---|---|---|
| RCBO | Residual Current Breaker with Overcurrent | A circuit breaker that combines leakage current + surge current in one device. |
| AFDD | Arc Fault Detection Device | The electric arc (a common cause of wiring fires) is detected and disconnected before disaster strikes. |
| MCB | Miniature Circuit Breaker | Protection against overcurrent and short circuits . |
| RCD | Residual Current Device | Current leakage is detected to protect people from shocks. |
| 6kA | 6000 amps | The ability to disconnect short-circuit current within the circuit breaker's standard. |
| 30mA Type A | standard leak sensitivity | It disconnects when leakage exceeds 30 mA , and Type A supports variable/pulsing currents. |
Quick technical note: Choosing Type A is usually important with many modern loads (power supplies, electronics, inverters…).
A realistic protection scenario
Imagine old wiring inside a wall: the insulation is corroded, causing a wire to intermittently "spark" (electric arc). This type of wiring often doesn't raise the current enough to trip a conventional circuit breaker. Here, the AFDD monitors the arc pattern (electrical oscillations/signals) and quickly trips the circuit before the spark turns into heat and then a fire.
Suggested Uses
- Distribution panels for homes and offices.
- Lighting circuits and sockets that run inside walls for extended periods.
- Areas highly sensitive to electrical fires: offices, workshops, server rooms, electrical cabinets.
Technical specifications
| nominal effort | 230V AC |
|---|---|
| Frequency | 50Hz |
| nominal current | Up to 63A (depending on the version) |
| Number of poles | 2P (Polar + Neutral) |
| Curve type | C-Curve or B-Curve (depending on the circuit and loads) |
| Separation capacity | 6kA |
| RCD sensitivity | 30mA — Type A |
| Dielectric potential | 400V |
| Pulse tolerance | 4kV |
| Composition | DIN Rail |
| Dimensions | 100 × 54 × 50 mm |