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Mini Type A RCBOs – Compact 1 Module Protection

Mini Type A RCBOs combine residual current and overcurrent protection in a compact 1 module format, making them ideal where consumer unit space is limited. These devices are designed for modern installations where electricians need the right protection characteristics without giving up valuable board space.

With Type A residual current detection and high immunity performance, they are well suited to consumer units serving modern electronic loads, upgraded domestic circuits, and specialist applications where nuisance tripping needs to be kept under control.

Quick answer: A mini Type A RCBO gives you combined MCB and RCD protection in a space-saving single-module device. They’re a strong choice for modern consumer units, especially where board space is tight and Type A protection is preferred.

This range includes 6A to 40A mini Type A RCBOs in both B and C curve options, giving installers flexibility across lighting, socket, appliance, and specialist circuits. The compact profile makes them especially useful on smaller boards, garage units, and upgrades where every outgoing way matters.

  • 1 module wide – saves valuable space in consumer units
  • Type A detection – suitable for modern circuits with electronic loads
  • High immunity design – helps reduce nuisance tripping
  • B & C curves available – choose to suit circuit behaviour and inrush
  • 6A–40A range – covers many common final circuit requirements

Need a wider selection beyond compact formats? Browse our Type A RCBOs, high immunity RCBOs, or full RCBO range. For delivery and returns, see our delivery information and returns policy.

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Choosing a Mini Type A RCBO

A mini Type A RCBO provides individual residual-current and overcurrent protection in a compact format. Space saving is useful, but selection must still cover current rating, curve, breaking capacity, residual-current characteristics and exact board compatibility.

B Curve Mini RCBOs

Suitable for compatible low-inrush final circuits where the design supports a B curve characteristic.

View B Curve RCBOs →

C Curve Mini RCBOs

Available for suitable higher-inrush loads, subject to equipment data and required fault disconnection performance.

View C Curve RCBOs →

High-Immunity Performance

Selected compact devices are designed for improved stability on appropriate modern electronic or inverter-led circuits.

View High-Immunity RCBOs →

Specification Checklist

  • Module width: confirm the physical format and available board space
  • Busbar and terminals: check line, neutral and load connections against the board system
  • Rated current and curve: coordinate with load, cable and inrush characteristics
  • RCD type: verify Type A detection suits the connected equipment
  • Breaking capacity: select for prospective fault current at the installation point

Selection Guides

Related Categories

Type A RCBOsHigh Immunity RCBOsB Curve RCBOsC Curve RCBOsConsumer Units

Trade support: UK-stocked products, manufacturer-backed specifications and fast dispatch. Check each product page for ratings, standards, stock status and delivery details before ordering.