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The WME08/HPR40C heat pump consumer unit adds two 16A RCBOs to a metal board equipped with a 40A Type B HP RCD, Type 2 surge protection, main switch and one 16A MCB. Choose this configuration when your heat-pump project needs the extra RCBO-protected outgoing circuits alongside the specified heat-pump protection.

The RCBOs combine overcurrent and residual current protection for their respective circuits. They let you specify those outgoing circuits with individual protective devices in the same 232 × 240 × 112mm enclosure, rather than choosing the MCB-only HP40C configuration.

Why choose the HPR40C version?

  • Two additional 16A RCBOs: useful where your circuit schedule calls for individual residual current and overcurrent protection on two outgoing circuits.
  • Type B HP RCD included: the WHP device is designed for smooth DC and higher-frequency residual currents. Confirm its suitability against the heat-pump instructions.
  • Surge protection in the assembly: the fitted Type 2 SPD addresses transient overvoltages.
  • A defined supplied configuration: enclosure and devices can be checked together against the project schedule before ordering.

Check the circuit arrangement before ordering

Whitecliffe lists one 16A C-curve MCB and two 16A RCBOs for this model. The gallery shows a B16-marked MCB, so confirm the supplied MCB curve and both RCBO specifications when agreeing your order. The Type B HP description applies to the WHP RCD; it does not establish that the two additional RCBOs are Type B HP devices.

Also confirm which circuits are supplied through the shared RCD and how the devices are coordinated. Individual RCBOs do not, by themselves, guarantee that another upstream protective device cannot trip. The 8-module enclosure description does not mean eight spare outgoing ways.

Compare the two heat-pump board configurations

Two heat-pump board configurations, the same 232 × 240 × 112mm enclosure size
Model Listed configuration Choose when
WME08/HPR40C — this product 40A Type B HP RCD, surge protection, one 16A C-curve MCB and two 16A RCBOs. You need the version with two additional RCBO-protected outgoing circuits.
WME08/HP40C 40A Type B HP RCD, surge protection and 16A MCBs; C curve listed by Whitecliffe. Your circuit schedule calls for the MCB-equipped heat-pump board.

Confirm your board and lead time

contact Power & Data UK quoting WME08/HPR40C. Send your heat-pump make and model, the intended load on each outgoing circuit, required device ratings and trip curves, quantity and delivery date. That gives us the information needed to check the build and availability for your job. If the product is shown as unavailable, request a current lead time before scheduling installation.

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