WCED WRB150C-030 Bi-Directional RCBO
The WCED WRB150C-030 Bi-Directional RCBO is a 50A C Curve, Type A high-immunity protective device from the Whitecliffe Electrical WRB1 range. Designed for circuits requiring a higher current rating, this compact RCBO combines overload, short-circuit and 30mA residual current protection within a single-module enclosure.
With its C Curve characteristic, switched live and neutral, and bi-directional capability, the WRB150C-030 offers a versatile solution for appropriately designed domestic and commercial installations. The device can also be considered for suitable solar photovoltaic circuits where electrical power flow may change direction.
Key Features – WCED WRB150C-030 Bi-Directional RCBO
- 50A rated current with C Curve tripping characteristic
- Type A high-immunity residual current protection
- 30mA residual operating sensitivity
- 6kA breaking capacity (subject to confirmation for the 50A model)
- Bi-directional operation for suitable solar PV systems
- 1P+N configuration with switched live and neutral
- Single-module design, 18mm wide
- Dimensions: 18mm (W) x 90mm (H) x 77mm (D)
- Electronic residual current detection
- Thermal-magnetic overcurrent protection
- Bi-connect terminals for compatible cable and busbar arrangements
- Contact position indicator
- Mounting on a standard 35mm DIN rail
50A C Curve Protection for Higher-Current Applications
The WRB150C-030 provides a 50A current rating with a C Curve trip characteristic. C Curve protective devices are commonly selected where moderate inrush currents may occur, making them suitable for consideration with certain fixed electrical equipment and distribution circuits.
Compared with lower-rated devices in the WRB1 range, this 50A model provides an additional current-rating option for electricians designing circuits with appropriately rated cables, terminals and associated equipment.
Correct circuit design remains essential. The selected RCBO must meet the relevant requirements for prospective fault current, conductor protection, earth fault loop impedance and disconnection times.
Bi-Directional Protection for Solar PV Systems
The WCED WRB150C-030 Bi-Directional RCBO incorporates the bi-directional functionality of the WRB1 range, making it suitable for consideration in electrical systems where power may flow in either direction.
This capability is particularly relevant to correctly specified solar photovoltaic installations, where generation and consumption can result in changing power-flow conditions.
Bi-directional operation does not mean that supply and load terminals are interchangeable. Installers must follow the manufacturer’s terminal markings, connection diagram and installation requirements.
Type A High-Immunity Residual Current Detection
The WRB150C-030 provides Type A residual current protection, responding to sinusoidal AC and pulsating DC residual fault currents. This offers a broader range of residual current detection than traditional Type AC protective devices.
Its 30mA residual current sensitivity provides additional protection against electric shock when correctly installed, while the high-immunity designation forms part of WCED’s WRB1 product range.
These characteristics make the device suitable for consideration in modern electrical installations incorporating compatible electronic equipment and other loads requiring Type A residual current protection.
Switched Live and Neutral
The WRB1 range incorporates a 1P+N configuration with switched live and neutral as standard. When the RCBO operates, both conductors of the protected circuit are disconnected.
This arrangement supports individual circuit isolation and may simplify certain inspection and insulation resistance testing procedures, depending on the test method and connected equipment.
Compact Single-Module Installation
Despite its 50A rating, the WRB150C-030 retains the compact dimensions of the WCED WRB1 range, measuring just 18mm wide, 90mm high and 77mm deep.
The space-saving construction allows installation within compatible consumer units and distribution boards without requiring additional module width.
The WRB1 bi-connect terminal system supports compatible cable, pin-type and fork/U-type busbar arrangements, helping electricians achieve suitable connections in approved distribution equipment.
Technical Specifications – WCED WRB150C-030 Bi-Directional RCBO
- Brand: WCED Whitecliffe Electrical
- Manufacturer Part Number: WRB150C-030
- Product Range: WRB1
- Product Type: Electronic Bi-Directional RCBO
- Rated Current: 50A
- Tripping Characteristic: C Curve
- Residual Current Type: Type A High Immunity
- Rated Residual Operating Current: 30mA
- Rated Breaking Capacity: 6kA (confirm for 50A model)
- Poles: 1P+N, Switched Live and Neutral
- Rated Operational Voltage: 230V AC
- Rated Frequency: 50/60Hz
- Rated Insulation Voltage: 500V
- Rated Residual Making and Breaking Capacity: 3000A
- Rated Impulse Withstand Voltage: 4kV
- Residual Current Break Time at IΔn: ≤0.1 seconds
- Dielectric Test Voltage: 2kV for 1 minute
- Electrical Endurance: 2,000 operations
- Mechanical Endurance: 10,000 operations
- Contact Position Indicator: Yes
- Protection Rating: IP20
- Reference Temperature: 30°C
- Operating Temperature: -5°C to +40°C
- Storage Temperature: -25°C to +70°C
- Dimensions: 18mm (W) x 90mm (H) x 77mm (D)
- Top Cable Terminal Capacity: 10mm²
- Bottom Cable Terminal Capacity: 16mm²
- Busbar Terminal Capacity: 10mm²
- Terminal Tightening Torque: 2.5Nm
- Mounting: 35mm DIN Rail, EN 60715
- Connection: Follow Manufacturer’s Terminal Markings
- WRB1 Range Standards: IEC 61009-1 / EN 61009-1
Other WCED C Curve Bi-Directional RCBOs
Looking for an alternative current rating? Explore the WCED WRB1 C Curve range for correctly specified circuit protection:
- WCED WRB106C-030 – 6A C Curve RCBO
- WCED WRB110C-030 – 10A C Curve RCBO
- WCED WRB116C-030 – 16A C Curve RCBO
- WCED WRB120C-030 – 20A C Curve RCBO
- WCED WRB132C-030 – 32A C Curve RCBO
- WCED WRB140C-030 – 40A C Curve RCBO
Explore WCED Whitecliffe Circuit Protection
The WCED WRB150C-030 Bi-Directional RCBO is part of the Whitecliffe Electrical circuit protection range. Browse our WCED Consumer Units or explore the complete WCED Whitecliffe range at Electrical4Less.
Always confirm compatibility with the consumer unit, protective requirements and connected equipment before installation. Installation must follow the manufacturer’s instructions and applicable electrical wiring regulations.
