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SPD Boards with Main Switch

Browse our range of SPD boards with main switch, available as empty or populated options from trusted brands. Each SPD consumer unit is designed to help protect the electrical installation and connected equipment from damaging power surges.

Showing 1–20 of 139 results

FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOsPopulated FuseBox 21 Way Consumer Unit Kit for Fast Installation

FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs
In Stock
SKU: F3021MZ/15RCBO
£222.78 £218.73
FuseBox F3011MZ SPD Consumer UnitF3011MZ FuseBox consumer unit with cover removed, angled to show internal layout

FuseBox F3011MZ 11 Way RCBO Consumer Unit With SPD
22 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: F3011MZ
Quantity Discount
Quantity Price
1 - 7 £60.11
8+ £57.41
£60.11
FuseBox F3015MZ SPD Consumer UnitAngled view of the FuseBox F3015MZ consumer unit with front cover removed, showing internal layout

FuseBox F3015MZ 15 Way RCBO Consumer Unit With SPD
9 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: F3015MZ
Quantity Discount
Quantity Price
1 - 7 £63.99
8+ £60.47
£63.99
FuseBox F3015MZ 15 Way SPD Consumer Unit Kit – with 12 RCBOsComplete Kit for Fast Installation – Populated FuseBox 15 Way Consumer Unit

FuseBox F3015MZ 15 Way SPD Consumer Unit Kit – with 12 RCBOs
In Stock
SKU: F3015MZ/12RCBO
£187.19 £183.78
FuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOsFuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOs 2

FuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOs
In Stock
SKU: F3011MZ/8RCBO
£143.80 £141.18
FuseBox F3007MZ 7 Way RCBO Consumer Unit With SPDFuseBox F3007MZ 7 Way RCBO Consumer Unit With SPD 2

FuseBox F3007MZ 7 Way RCBO Consumer Unit With SPD
24 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: F3007MZ
Quantity Discount
Quantity Price
1 - 5 £54.34
6+ £52.44
£54.34
FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOsFuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs 2

FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs
In Stock
SKU: F3007MZ/5RCBO
£106.86 £104.92
Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 1Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 2

Live Electrical 11 Way SPD Metal Consumer Unit
9 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC14M-SP
Quantity Discount
Quantity Price
1 £46.12
2+ £45.20
3+ £44.51
£46.12
WCED 5 Way SPD Metal Consumer Unit

WCED | WME08/SP | SPD Consumer Unit | 5 Way
2 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: WME08/SP
£38.01
WCED 3 Way SPD Metal Consumer Unit

WCED | WME06/SP | SPD Consumer Unit | 3 Way
Out of Stock
This item cannot be back-ordered
SKU: WME06/SP
£32.34
Read more
Live Electrical LSMC12M-SP Live Electrical 9 Way SPD Metal Consumer Unit 1Live Electrical LSMC12M-SP Live Electrical 9 Way SPD Metal Consumer Unit 2

Live Electrical 9 Way SPD Metal Consumer Unit
16 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC12M-SP
Quantity Discount
Quantity Price
1 £44.55
2+ £43.66
3+ £42.99
£44.55
Live Electrical LSMC10M-SP Live Electrical 7 Way SPD Metal Consumer Unit 1Live Electrical LSMC10M-SP Live Electrical 7 Way SPD Metal Consumer Unit 2

Live Electrical 7 Way SPD Metal Consumer Unit
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: LSMC10M-SP
Quantity Discount
Quantity Price
1 £41.90
2+ £41.06
3+ £40.43
£41.90
Live Electrical LSMC8M-SP Live Electrical 5 Way SPD Metal Consumer Unit 1Live Electrical LSMC8M-SP Live Electrical 5 Way SPD Metal Consumer Unit 2

Live Electrical 5 Way SPD Metal Consumer Unit
3 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC8M-SP
Quantity Discount
Quantity Price
1 £40.91
2+ £40.09
3+ £39.48
£40.91
WCED 7 Way SPD Metal Consumer Unit

WCED | WME10/SP | SPD Consumer Unit | 7 Way
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WME10/SP
£38.67
Live Electrical LSMC16M-SP Live Electrical 13 Way SPD Metal Consumer Unit 1Live Electrical LSMC16M-SP Live Electrical 13 Way SPD Metal Consumer Unit 2

Live Electrical 13 Way SPD Metal Consumer Unit
11 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC16M-SP
Quantity Discount
Quantity Price
1 £48.81
2+ £47.83
3+ £47.10
£48.81
WCED 9 Way SPD Metal Consumer Unit

WCED | WME12/SP | SPD Consumer Unit | 9 Way
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WME12/SP
£42.17
FuseBox F3021MZ SPD Consumer UnitAngled view of the FuseBox F2021MX consumer unit with no front cover, showing internal layout

FuseBox F3021MZ 21 Way RCBO Consumer Unit With SPD
3 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: F3021MZ
Quantity Discount
Quantity Price
1 - 3 £67.95
4+ £65.57
£67.95
WCED 15 Way SPD Metal Consumer Unit

WCED | WME18/SP | SPD Consumer Unit | 15 Way
1 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: WME18/SP
£46.96
WCED 11 Way SPD Metal Consumer Unit

WCED | WME14/SP | SPD Consumer Unit | 11 Way
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WME14/SP
£42.82
Live Electrical LSMC18M-SP Live Electrical 15 Way SPD Metal Consumer Unit 1Live Electrical LSMC18M-SP Live Electrical 15 Way SPD Metal Consumer Unit 2

Live Electrical 15 Way SPD Metal Consumer Unit
11 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC18M-SP
Quantity Discount
Quantity Price
1 £51.42
2+ £50.39
3+ £49.62
£51.42

Showing 1–20 of 139 results

SPD Consumer Units with Main Switch

An SPD consumer unit combines surge protection with a main switch in one practical board. It helps protect the electrical installation and connected equipment from short-duration voltage surges caused by lightning activity or switching on the electricity network.

This range includes empty and populated boards for domestic and commercial installations. Empty boards allow the electrician to select the required protective devices, while populated options are supplied with a chosen combination of compatible RCBOs or MCBs.

Choosing the Right SPD Board

When selecting a board, consider the number of circuits, the space required for protective devices and whether spare capacity may be needed for future additions.

  • Number of ways: Choose a board with enough space for the required circuits and any planned additions.
  • Empty or populated: Select an empty board for a customised setup or a populated board for a convenient ready-selected package.
  • Device compatibility: Use only RCBOs, MCBs, busbars and accessories approved for the chosen consumer unit.
  • Board size: Check the external dimensions and available cable space, especially when replacing an existing fuse box.

Main Switch Boards with Surge Protection

Main switch SPD boards are commonly used with individual RCBO protection for each circuit. This can make it easier to identify faults and helps prevent a problem on one circuit from disconnecting the rest of the installation.

Most products in this category include a Type 2 surge protection device, although the correct SPD arrangement must be confirmed as part of the installation design.

Installation and Compatibility

Consumer units and protective devices should be selected, installed and tested by a suitably qualified electrician in accordance with the current edition of BS 7671 and the manufacturer’s instructions.

Browse our range of SPD consumer unit options from trusted circuit protection brands, available for UK delivery or collection from our Fulham trade counter.






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Next Day Delivery

Cut-Off Time and Order Information
To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £200 + VAT (double our standard carriage-paid order value of £100 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

In Stock Delivery Policy

Free Next-Day Delivery Over £100 + VAT:
Orders above £100 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

Orders Below £200 + VAT:
To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

Orders Above £200 + VAT:
For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

Supplier Lead Time & Availability

This item may be sourced from our supplier before dispatch.
The lead time shown is an estimate only and is based on the usual supplier timeframe. It is subject to supplier availability and is not a guaranteed delivery date.
We do not have a live supplier stock feed, so supplier stock can change without notice.
Delivery timers and courier estimates apply once the item is available for dispatch.
If the item is unavailable, we will contact you with the available options, including waiting for stock, choosing an alternative product, cancellation, or a refund for the unavailable item.
This does not affect your statutory rights.

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Delivery info

If this item is not currently on our shelves, we will order it from FuseBox for delivery to our warehouse. FuseBox does not dispatch directly to our customers, so once the item arrives with us, we will send it on to you as quickly as possible. Many items reach us the next working day, while some may take a little longer. Delivery to you is usually completed within 2–4 working days.

Please note that if your order includes other products with a longer lead time, the complete order may be dispatched once all items are available.

In the unlikely event that an item becomes unavailable, we will contact you with the available options, which may include waiting for stock, choosing an alternative product or cancelling the unavailable item for a refund.

Delivery info

Orders containing only Live Electrical products that are not available from our shelf stock will usually be dispatched directly from Live Electrical. Delivery is generally completed within 2–3 working days, although stock availability, order cut-off times and courier schedules may affect the timing.

For mixed orders containing products from other suppliers, dispatch arrangements may vary, and the order may follow the longest delivery estimate shown.

In the unlikely event that an item becomes unavailable, we will contact you with the available options, which may include waiting for stock, choosing an alternative product or cancelling the unavailable item for a refund.

Delivery info

Where an order contains only WCED products that are not available from our shelf stock, it will usually be dispatched directly from WCED. Delivery often takes 1–2 working days, although stock availability, order cut-off times and courier schedules may affect the timing.

For mixed orders containing products from other suppliers, the dispatch arrangement and delivery time may vary, and the order may follow the longest lead time shown.

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