High Immunity RCBO – 20A B Curve, Type A, 30mA
£23.50 ex. VAT
£28.20 inc. VAT
Type A RCBO – 10A B Curve, 30mA
£14.50
ex VAT
£17.40 inc VAT
SKU: WRT110B-030
The WCED WRT110B-030 is a 10A B Curve Type A RCBO with 30mA residual current sensitivity and a 10kA breaking capacity. It combines overload, short-circuit and residual current protection in a single module, with switched live and neutral conductors. This high-immunity model detects AC and pulsating DC residual currents. It...
Read full descriptionAccepted payment methods
Description
The WCED WRT110B-030 is a 10A B Curve Type A RCBO with 30mA residual current sensitivity and a 10kA breaking capacity. It combines overload, short-circuit and residual current protection in a single module, with switched live and neutral conductors.
This high-immunity model detects AC and pulsating DC residual currents. It belongs to the bi-directional WRT1 range for domestic, commercial and renewable-energy circuits where the equipment requirements and circuit design specify this rating and protection type.
Key Features
- 10A, B Curve: the current rating and overcurrent trip characteristic of this model.
- Type A, 30mA: AC and pulsating DC residual current detection.
- 10kA breaking capacity: short-circuit protection within the device rating.
- 1P+N switching: disconnects both live and neutral.
- Single-module format: mounts on a 35mm DIN rail.
- IEC/EN 61009-1: the device standard listed by WCED.
Connection guidance: WCED specifies supply connection from the bottom. Follow the device's IN, OUT and LOAD markings and supplied wiring diagram. Do not connect the supply to the load/output terminals; bi-directional performance does not make those terminals interchangeable.
Choosing the Rating and Curve
Select the 10A B Curve model only where it matches the circuit design and equipment manufacturer's instructions. For EV chargers, heat pumps or solar inverters, check the required residual current protection and any additional protective devices. The application name alone does not determine the correct curve or RCBO type.
Compare WRT1 RCBOs
The range below offers B and C Curve models, each with Type A protection, 30mA sensitivity and a 10kA breaking capacity. Compare the rating and curve required for your circuit.
| Rating | B Curve | C Curve |
|---|---|---|
| 6A | WRT106B-030 | WRT106C-030 |
| 10A | WRT110B-030 (This product) |
WRT110C-030 |
| 16A | WRT116B-030 | WRT116C-030 |
| 20A | WRT120B-030 | WRT120C-030 |
| 25A | WRT125B-030 | WRT125C-030 |
| 32A | WRT132B-030 | WRT132C-030 |
| 40A | WRT140B-030 | WRT140C-030 |
| 50A | WRT150B-030 | WRT150C-030 |
Browse Type A RCBOs or the wider RCBO range.
Technical specs
- Model: WRT110B-030
- Rated current: 10A
- Trip curve: B
- Residual current type: Type A - AC and pulsating DC
- Rated sensitivity: 30mA
- Rated breaking capacity: 10kA
- Poles: 1P+N, switched live and neutral
- Rated voltage: 230V AC
- Frequency: 50/60Hz
- Operating type: Electronic
- High immunity: Yes
- Bi-directional performance: Yes; observe marked supply and load connections
- Rated impulse withstand voltage: 4kV
- Electrical life: 2,000 operations
- Mechanical life: 10,000 operations
- Protection degree: IP20
- Cable terminal capacity: Top 10mm² / bottom 16mm²
- Mounting: 35mm DIN rail to EN 60715; single module
- Supply connection: From the bottom, following the device markings and wiring diagram
- Dimensions (W × H × D): 17.8 × 116 × 76mm
- Device standard: IEC/EN 61009-1
Installation notes
The WRT110B-030 is the 10A B Curve model. Installation must be carried out by a qualified electrician using the instructions supplied with the device.
- Mount on a 35mm DIN rail in a compatible consumer unit or distribution board; check the board manufacturer's device and busbar requirements.
- WCED specifies bottom supply connection. Respect the IN, OUT and LOAD markings and the supplied wiring diagram.
- Do not connect the supply to the load/output terminals or treat bi-directional performance as permission to swap the connections.
- Confirm that the 10A rating, B trip curve, 30mA sensitivity and 10kA breaking capacity suit the circuit.
- Use the conductor sizes and terminal tightening instructions specified for the actual device supplied.
FAQs
What rating is the WRT110B-030?
It is the 10A B Curve version, with Type A residual current protection, 30mA sensitivity and a 10kA breaking capacity.
Does bi-directional mean I can swap the supply and load connections?
No. WCED specifies supply connection from the bottom and requires the marked input and output connections to be respected. Follow the supplied diagram and never put the supply on the load/output terminals.
What does Type A detect?
Type A protection detects AC and pulsating DC residual currents. Check the connected equipment's requirements for the necessary residual current protection.
Does it disconnect live and neutral?
Yes. The WRT1 has switched live and neutral conductors in a single-module 1P+N device.
Can I use it for an EV charger, heat pump or solar inverter?
Use it where the equipment instructions and circuit design specify a 10A B Curve Type A RCBO. Check any additional protection requirements and consumer-unit compatibility before selection.
How do I choose between the B and C Curve versions?
B and C identify different overcurrent trip characteristics. Choose the curve required by the equipment instructions and circuit design, taking starting current and fault disconnection requirements into account.
