Lewden 32A Bidirectional RCBO – Type A, B Curve, 30mA, Compact DIN Mount.

The Lewden 32a Compact Bidirectional RCBO ensures reliable circuit protection and optimal performance in modern electrical systems. This advanced device combines residual current and overcurrent protection in one compact module, specifically designed for use with EV chargers, solar PV systems, and energy storage installations. Its dual protection functionality helps meet the latest safety standards in domestic, commercial, and light industrial settings.

Ideal for future-ready installations, the Lewden RCBO supports bi-directional power flow, enabling safe and effective protection in circuits where energy sources such as solar panels and battery storage units are used alongside traditional main supplies. Whether energy flows to or from the grid, this RCBO remains fully functional, making it a dependable choice for low-carbon and renewable energy projects.

Its compact, reduced-height design allows for more space within consumer units or distribution boards, simplifying the wiring process and improving accessibility during installation or maintenance.

Key Features & Benefits

• 32A Current Rating
• It reliably handles moderate circuit loads and is suitable for EV charging points, solar inverters, and general power circuits.
• 30mA Residual Current Sensitivity
• Provides adequate protection against electric shock and fire risk from earth leakage currents.
• Type A RCD Protection
• It detects AC and pulsating DC residual currents, essential for modern devices and installations incorporating electronics or variable-speed drives.
• B-Curve Tripping Characteristics
• Offers fast response to short circuits and overloads while minimising the chance of nuisance tripping in residential and commercial circuits.
• Bi-Directional Functionality
• Capable of protecting circuits regardless of the direction of energy flow — perfect for hybrid energy systems like solar PV, batteries, and electric vehicle charging infrastructure.
• DIN Rail Mounted
• Easily installed into standard consumer units or distribution boards with secure DIN rail fixing.
• Compact Form Factor
• Reduced height allows for more wiring space and easier management within the enclosure.
• Pole Configuration
• Single Pole and Neutral (1P+N) setup ensures complete circuit isolation, improving safety and inspection convenience.
• Robust Build & Compliance
• Built-in line with BS EN 61009-1 standards, with a 6kA short-circuit rating, ensuring safety and performance in real-world conditions.
• Terminal Capacity
• Supports incoming and outgoing cables up to 16mm², ensuring compatibility with various circuit designs.

Application Areas

This Lewden RCBO is ideally suited for:

• EV (Electric Vehicle) charging installations
• Solar PV (Photovoltaic) systems
• Domestic distribution boards
• Commercial power circuits
• TT, TN-S, and TN-C-S earthing systems
• Battery storage integration setups

The compact design, reliable performance, and bi-directional capability make the Lewden 32A RCBO a premium choice for future-proof electrical safety.