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Free shipping over £150*

BG Circuit Protection 31 Way 100A Main Switch Consumer Unit SPD with RCBO's CF236MS31

Original price £144.90 - Original price £144.90
Original price
£144.90
£144.90 - £144.90
Current price £144.90
Ex VAT £120.75

Bundle builder

BG 31 Way with SPD + RCBO Bundle

BG Circuit Protection 31 Way 100A Main Switch Consumer Unit SPD with RCBO's CF236MS31

Included board

BG Circuit Protection 31 Way 100A Main Switch Consumer Unit SPD with RCBO's CF236MS31

SKU: CF236MS31-B

Qty fixed at 1 £144.90

Choose RCBO's

Select between 21 and 31

0 / 31
BG Circuit Protection Type A Double Pole B Curve RCBO 6A CUCRB6DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 6A CUCRB6DPA

SKU: CUCRB6DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 10A CUCRB10DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 10A CUCRB10DPA

SKU: CUCRB10DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 16A CUCRB16DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 16A CUCRB16DPA

SKU: CUCRB16DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 20A CUCRB20DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 20A CUCRB20DPA

SKU: CUCRB20DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 25A CUCRB25DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 25A CUCRB25DPA

SKU: CUCRB25DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 32A CUCRB32DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 32A CUCRB32DPA

SKU: CUCRB32DPA-B

Bundle price: £12.35 each

BG Circuit Protection Type A Double Pole B Curve RCBO 40A CUCRB40DPA
BG Circuit Protection Type A Double Pole B Curve RCBO 40A CUCRB40DPA

SKU: CUCRB40DPA-B

Bundle price: £12.35 each

Bundle total £144.90

Select at least 21 RCBOs to continue. Maximum 31.

The BG Circuit Protection consumer units feature a two-row, double bank board design that delivers flexible solutions. They maximise circuit options for larger homes and can be adapted for dual tariff, standard, or renewable energy configurations.

Supplied complete with an integral spirit level, fitted 100A Main Switch, 100A 2 pole connector block, prewired type 2 SPD and the below default RCBO's.

31, 28 or 24 RCBO's
100A main switch (fitted)
100A 2 pole connector block (fitted)
Type 2 SPD - 1 module (pre-wired)
Integrated spirit level
Large rear knockouts (4 rows)
Optional cable clamp included
40mm knockouts in sides, top and base
Backed out and retained terminal screws
Installation Method- Surface Mounted
Number of Phases- 1
Protection Options- MCB, SPD
IP Rating- IP2XC
Colour- White - RAL9016 (Traffic White)
Main Switch Rated Current- 100A
Connector Block Rated Current- 100A
Rated Operational Voltage 230V
Frequency -50Hz
Rated & Insulation Voltage (Ui) - 500V AC
Type of Supply Voltage -AC
Rated Impulse Withstand Voltage (Uimp)- 4kV
Rated Conditional Short Circuit Current (Icc)- 16kA
Pollution Degree - 2
UV Stability - Yes
Main Switch Terminal Capacity - 35mm²
Main Switch Terminal Torque - 2.5Nm
Connector Block Terminal Capacity - 35mm²
Connector Block Terminal Torque - 2.5Nm
SPD Terminal Capacity - 1.5 - 6mm²
SPD Terminal Torque - L/N 1.2Nm PE 3NM
Dimensions of Product (36 module)
Height: 483.2 mm
Width:387.4 mm
Depth: 116.5 mm

We hold a substantial amount of stock across our most popular products and ranges. Due to the wide variety of finishes and configurations we offer, some items may occasionally need to be sourced from our suppliers. However, as we receive daily deliveries from all major suppliers, this rarely causes any delay.

  • Typical dispatch within 4–6 working days.
  • If your order includes multiple items and one or more need to be sourced, your full order will be dispatched once all items are ready.

Zone 1

England, Wales & Parts of Scotland

Orders Above £150 : FREE, Orders Below £150 : £8.00, Small Orders (below £75) : £6.00

Zone 2/Zone 3/Zone 4

Scottish Highlands & Scottish Islands, Northern Ireland, Channel Islands, Isle of Wight, Isle of Scilly and Isle of Man

Orders Above £150 : £16.00, Orders Below £150 : £12.00

For delivery to Northern Ireland, Channel Islands, or Hong Kong, click here for more information.

*Free delivery applies to Mainland UK only. Postcode exclusions apply.

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