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Live Electrical Heat Pump SPD Consumer Unit with Type B RCD and C40 DP MCB

SKU: LHP840MSB
Delivery usually within 1 - 3 working days *

8 module consumer unit with Type B 40A RCD, 2-module double pole C40 MCB, and SPD. Pre-wired for fast installation. Ideal for inverter-driven heat pump systems requiring smooth DC protection. Fully compliant with BS EN 62423 and 18th Edition.

£ 102 .96 EX VAT
£ 123 .55 IN VAT
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Description

Reliable, Pre-Wired Protection for Modern Heat Pump Installations

RCD B Heat Pump Consumer Unit – 8 Module with SPD and Double Pole MCB

The RCD B Heat Pump Consumer Unit delivers efficient, compliant protection for air source and ground source heat pumps. It includes a 40A Type B RCD, a C40 double pole MCB (2-module), and a Type 2 SPD—all pre-wired for ease of installation. Type B RCDs are essential for detecting AC, pulsed DC, and smooth DC leakage currents, ensuring safety when used with inverter-based heat pump systems.

Compliant with BS EN 62423, this unit supports modern low-carbon installations while meeting all relevant 18th Edition wiring regulations.


⚙️ Key Features – RCD B Heat Pump Consumer Unit

  • 8-module metal enclosure for dedicated heat pump circuits
  • 40A Type B RCD – Detects AC, pulsed DC, and smooth DC residual currents
  • C40 Double Pole MCB (2-module) – Provides full isolation and protects against overcurrent
  • Type 2 SPD – Guards heat pump electronics from transient voltage surges
  • Fully pre-wired – Simplifies setup and speeds up installations
  • Complies with BS EN 62423, BS EN 61439-3, and 18th Edition standards

Technical Overview

  • Enclosure size: 8 usable ways
  • Incomer: 40A Type B RCD
  • MCB: 40A Type C, double pole, 2-module
  • SPD: Type 2 with visual status indicator
  • Enclosure: Metal-clad, white finish
  • Application: Heat pump circuit protection
  • Standards: BS EN 62423, BS EN 61008, BS EN 60898, BS EN 61439-3, BS EN 61643-11
  • Brand: Live Electrical

What’s Included

  • 1x 8 Module Consumer Unit Enclosure
  • 1x 40A Type B RCD
  • 1x C40 Double Pole MCB (2-module)
  • 1x Type 2 SPD with labelling
  • Pre-installed internal wiring and terminals
  • Installation instructions

✅ Why Choose This Product?

This consumer unit is engineered for safe and stable performance in heat pump installations. The Type B RCD delivers reliable protection against smooth DC leakage, commonly found in inverter-driven systems. The inclusion of a double pole MCB offers complete circuit isolation, ideal for heat pumps. Its pre-wired layout shortens setup time, ensuring compliance and efficiency for installers.


About Live Electrical

Live Electrical creates high-performance consumer units and protection devices for residential and renewable applications. Known for installer-friendly designs and strict compliance, they’re a trusted name in modern circuit protection.


Why Buy from Electrical4Less?

Electrical4Less specialises in compliant, trade-ready heat pump consumer units. We offer:

  • Fast UK delivery
  • Excellent trade pricing
  • Expert customer service
  • Reliable stock from top UK suppliers
  • Member benefits through IBA and EDA

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Additional information

Consumer Unit Type

Heat Pump Consumer Unit

Brand

Live Electrical

Delivery Information

This product will be ordered from one of ours suppliers. The usual dispatch time to you is displayed above. You will receive a notification if there are any delays once your order is placed.

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