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The WME12/HP40C 12 Way Heat Pump Consumer Unit is a dedicated protection board for inverter-driven heat pump systems. It is supplied in a 304 x 240 x 112mm metal enclosure with Type B HP RCD protection, Type 2 surge protection, a 16A MCB and 2 x 16A RCBOs.

Installer Note: This 12 way model gives more enclosure space than the 8 way variants while keeping the heat pump-specific Type B HP RCD and Type 2 SPD protection in one pre-wired board.

Why Choose the 12-Way Version?

The WME12/HP40C offers the same pre-fitted protection devices as the 8-way but with extra DIN space. This makes it ideal for larger domestic or light commercial projects, or where spare capacity is required for future circuits. For compact installs, see the 8-way version.

Key Features

  • Heat pump ready: built for inverter-driven heat pump installations
  • Factory-fitted protection: Type B HP RCD, Type 2 SPD, 16A MCB and 2 x 16A RCBOs
  • Larger enclosure: 304 x 240 x 112mm metal 12 way format
  • Pre-wired build: assembled for quicker, cleaner site setup
  • Part of the Whitecliffe heat pump range: available in compact and custom-build variants

Variant Comparison

Variant Configuration Best For
WME08/HP40C (8-Way) 8-way board with 40A Type B HP RCD, 16A C-curve MCBs and Type 2 SPD
232 × 240 × 112mm enclosure
Standard dedicated heat pump protection in a compact 8-way format
WME08/HPR40C (8-Way RCBO Variant) 8-way board with 40A Type B HP RCD, 1 x 16A C-curve MCB, 2 x 16A RCBOs and Type 2 SPD
232 × 240 × 112mm enclosure
Installations needing extra outgoing circuit protection within the same compact enclosure
WME12/HP40C (12-Way – This Product) 12-way board with 40A Type B HP RCD, 16A C-curve MCBs and Type 2 SPD
304 × 240 × 112mm enclosure
Larger installs or where spare ways are needed for future expansion
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