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CATEGORIES

4 Way Consumer Units for EV, Heat Pump & Outbuilding Circuits

4 Way Consumer Units are compact, metal-enclosed boards designed for small circuits that still need full 18th Edition protection. They’re commonly used for EV chargers, heat pumps, garden offices, garages and outbuildings where a single protected feed or simple distribution point is required.

Each unit is built with Type A RCBO protection and a Type 2 surge device for compliance with Amendment 2. Installers can choose between 32A or 40A loading, and B-curve or C-curve variants depending on inrush behaviour and circuit design. The metal enclosure provides added fire safety and meets all regulatory requirements. These compact boards sit within our wider Consumer Units range.

  • Pre-wired metal construction for fast, reliable installation
  • 32A & 40A options suitable for EV, heat pump and small building feeds
  • Type A RCBO for AC and pulsed DC fault protection
  • Type 2 surge protection included as standard
  • Compact 4-module layout for tight spaces and retrofit work

If you require larger boards or additional outgoing ways, consider stepping up to a 6 way or 8 way model. For shipping and returns, check the delivery information or returns policy.

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What Is a 4 Way Consumer Unit Used For?

A 4 way consumer unit is ideal when only a small number of circuits are needed, or when running a single dedicated supply. They are frequently used for EV charger feeds, heat pumps, garages, garden offices and other outbuildings where a compact distribution point is more practical than a full-size board.

Typical Applications

  • EV charger installations requiring a 32A or 40A protected supply
  • Heat pumps that need Type A RCBO protection for inverter-driven loads
  • Garden rooms and offices where stable, surge-protected power is essential
  • Garages and external buildings needing simple, compliant distribution

Regulation & Compliance

All boards in this category meet the requirements of BS 7671 (18th Edition), including:

  • Type A RCBOs for AC and pulsed DC fault detection
  • Type 2 surge protection for Amendment 2 compliance
  • Metal enclosures in line with regulation 421.1.201

Choosing the Right Variant

32A units are ideal for most domestic EV chargers and heat pump feeds.

40A units suit higher loads or commercial applications where extra headroom is required.

B-curve options suit standard domestic loads, while C-curve breakers handle higher inrush currents from motors or power electronics.

Why Installers Choose 4 Way Boards

They are compact, fast to fit and fully compliant with modern regulations. With surge protection and Type A RCBO coverage included, these units provide a reliable, ready-to-install solution for modern circuits. All products come with a 2-year manufacturer warranty and are shipped from a UK warehouse with next-day delivery available.