Type A RCBO – 6A B Curve, 30mA
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WRT106B-030 is a 6A B Curve Type A RCBO providing combined residual current and overcurrent protection in one compact device. It features switched live and neutral disconnection for full isolation, bi-directional operation for solar PV and inverter-fed circuits, and a high immunity design to minimise nuisance tripping. Tested to...
The WRT106B-030 is a 6A B Curve Type A RCBO providing combined residual current and overcurrent protection in one compact device. It features switched live and neutral disconnection for full isolation, bi-directional operation for solar PV and inverter-fed circuits, and a high immunity design to minimise nuisance tripping.
Tested to IEC/EN 61009-1, this RCBO meets the 18th Edition Wiring Regulations (Amendment 2) and is suitable for domestic lighting, small socket circuits, and renewable applications.
Installer Tip: The B Curve is ideal for domestic lighting or small loads with low inrush current. For motors, EV chargers, or circuits with high inrush, use the C Curve version.
Key Features
- 6A B Curve Type A RCBO – overload + residual protection in one unit
- Switched live & neutral – complete circuit isolation
- High immunity – reduces nuisance trips from harmonics
- Bi-directional wiring – suitable for solar and inverter systems
- Compact single-module design – 18mm DIN rail mount
- 10kA breaking capacity – suitable for residential and light commercial installs
- Conforms to IEC/EN 61009-1
Compare WRT Range
| Model | Rating | Curve | Application |
|---|---|---|---|
| WRT106B-030 (This Product) | 6A | B Curve | Lighting / Small Circuits |
| WRT106C-030 | 6A | C Curve | Motors / EV / Inrush Loads |
| WRT116B-030 | 16A | B Curve | General Domestic Circuits |
| WRT116C-030 | 16A | C Curve | EV / Heat Pumps |
What’s the difference between A-Type and AC-Type RCBOs?
A-Type RCBOs detect both AC faults and pulsating DC leakage, making them essential for EV chargers, solar inverters, and modern electronic appliances.
Is this RCBO suitable for domestic boards?
Yes – it fits standard consumer units and complies with the 18th Edition Wiring Regulations.
Does it fully isolate the circuit?
Yes – switched live and neutral ensure safe disconnection of both conductors.
What is the benefit of high immunity?
High immunity reduces nuisance trips caused by harmonics, transients, or noisy loads, especially in inverter-based systems.
- Type: A (detects AC + pulsating DC leakage)
- Rating: 6A
- Trip Curve: B
- Sensitivity: 30mA
- Breaking Capacity: 10kA
- Poles: 1P+N (switched live + neutral)
- Voltage: 230V AC
- Impulse Withstand: 4kV
- Electrical Life: 2,000 operations
- Mechanical Life: 10,000 operations
- Protection: IP20
- Terminal Capacity: Top 10mm² / Bottom 16mm²
- Dimensions: W17.8 × H116 × D76mm
- SKU: WRT106B-030
- Standards: IEC/EN 61009-1
Compact RCBO for consumer units and distribution boards where combined overload and residual protection is required. Ideal for lighting circuits and smaller loads.
- Fits standard 18mm DIN rail slots
- Ensure circuit load matches 6A rating
- Bi-directional wiring simplifies install
- Must be fitted by a qualified electrician
