VAT:
Wishlist 0
Quotes 0
0
Electrical4less Reviews4.9 Based on 1612 reviews
UK Mainland Free Delivery £100 + VAT
30 Day Return Policy
Next Day Delivery Cut Off Time 3PM

Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1946)

Consumer Units

Consumer Units (476)

Circuit Protection Devices

Circuit Protection Devices (1067)

EV Circuit Protection

EV Circuit Protection (109)

SPD Surge Protection Devices

SPD Surge Protection Devices (126)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

Switch Fuses - Isolators

Switch Fuses - Isolators (175)

Switch Gear

Switch Gear (272)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 581–600 of 2375 results

FuseBox RTA104030B 40A 10kA 30mA B Curve Type A RCBOFuseBox | RTA104030B | 10kA | 30mA | Curve B | Type A RCBO | 40A

FuseBox | RTA104030B | 10kA | 30mA | Curve B | Type A RCBO | 40A
22 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: RTA104030B
£15.99
Surge Devices LSPDPV1000 SPD Type 1 & 2 1000V DC SPD for Solar/PV Installations

Surge Devices LSPDPV1000 Type 1+2 SPD for 1000V PV Solar Panels
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: LSPDPV1000
Quantity Discount
Quantity Price
1 £180.00
2+ £176.40
3+ £174.60
£180.00
WCED BBP2100 WCED 2 Pin 100A Busbar Pin Type - 13 Ways

WCED 2 Pin 100A Busbar Pin Type – 13 Ways
9 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: BBP2100
£9.80
Live Electrical LSMC22M-SP Live Electrical 19 Way SPD Metal Consumer Unit 1Live Electrical LSMC22M-SP Live Electrical 19 Way SPD Metal Consumer Unit 2

Live Electrical 19 Way SPD Metal Consumer Unit
3 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC22M-SP
Quantity Discount
Quantity Price
1 £55.87
2+ £54.75
3+ £53.91
£55.87
Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device

Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: SP1401P+N/2
£12.03
Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey

Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: AGU4-SR/G
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – BlackLive Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black 2

Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: AGU4-SR/B
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
FuseBox RTF400302 Type F RCD 40A 30mA 2P

FuseBox RTF400302 Type F RCD 40A 30mA 2P
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
Read More
SKU: RTF400302
£44.20
Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit

Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: LSMC10/100
£27.52
Garo GCUT112 12 Module IP65 Plastic Enclosure

Garo GCUT112 Empty 12 Module IP65 Enclosure
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: GCUT112
£23.19
Fusebox EV40AXBD EV Consumer Unit

Fusebox | EV40AXBD | EV Consumer Unit | Type 2 SPD | Main Switch with Bi-Directional RCBO | 40A
Out of Stock
This item cannot be back-ordered
SKU: EV40AXBD
£59.99
Read more
Live Electrical RKA120B-030 20A 10kA B Curve Compact Bi-Directional RCBO For TPN Distribution Boards

Live Electrical | RKA120B-030 | 1P+N | Bi-Directional RCBO | Type A | Curve B | 10kA | 30mA | 20A
19 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RKA120B-030
£11.59
WCED 2 Pole 63A 100mA Time Delay Type A RCD

WCED 2 Pole 63A 100mA Time Delay Type A RCD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WARTD263-100
£28.93
Garo GP2100M 2 Way 100A Enclosure Meter Isolation Switch

Garo GP2100M 2 Way 100A Enclosure Meter Isolation Switch
28 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: GP2100M
£8.33
WCED WRI3P32 32A DIN Rail Rotary Isolator Switch

WCED | WRI3P32 | 32A | 3 Pole | DIN Rail Rotary Isolator Switch
13 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: WRI3P32
£9.12
Hager ADB932R B32A Bidirectional RCBOHager | ADB932R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 32A

Hager | ADB932R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 32A
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
Read More
SKU: ADB932R
£13.55
WCED DEM1A001 Bi-Directional Solar Meter

WCED | DEM1A001 | Bi-Directional Solar Generation Meter | Single Phase | 100A | MID Certified
5 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: DEM1A001
£22.10
Hager VM03CB Hager VM03CB Closed Top Wall Cable Protector Plate 1

Hager VM03CB Closed Top Wall Cable Protector Plate
8 In Stock
This item cannot be back-ordered
SKU: VM03CB
£1.50
Hager VM04CB Hager VM04CB 25mmx30mm Closed Meter Tail Plate

Hager VM04CB 25mmx30mm Closed Meter Tail Plate
13 In Stock
This item cannot be back-ordered
SKU: VM04CB
£1.50
Fusebox AFMF18 18 Module Flush Mounting Frame Kit

Fusebox AFMF18 18 Module Flush Mounting Frame Kit
2 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: AFMF18
£15.70

Showing 581–600 of 2375 results

Selection of Consumer Units, TPN Distribution Boards, Circuit Protection, Rotary Isolators, Meter Tails, Fused Switches and Accessories.

18th Edition Consumer Units with built in SPD Surge Protection Device, stand alone SPD units, PEN loss, PME fault detection consumer units, Consumer units relocation boxes/kits, Three phase distribution boards with built in SPD and main switch.

Thousands of products in stock ready for next day delivery. Friendly and reliable service, competitive prices.

Circuit protection in the UK is governed by the wiring regulations outlined in the British Standard BS 7671. This standard, also known as the IET Wiring Regulations, sets out the requirements for the design, installation, and maintenance of electrical installations in the UK. Circuit protection is a crucial aspect of electrical installations to ensure the safety of people and property.

Here are some key aspects of circuit protection according to BS 7671 and the devices commonly used in the UK market:

  1. Circuit Breakers: Circuit breakers are essential devices for protecting electrical circuits. BS 7671 specifies requirements for the selection and installation of circuit breakers. They come in various types, including:
    • Miniature Circuit Breakers (MCBs): MCBs are commonly used to protect individual circuits. They trip when there’s an overload or a short circuit.
    • Residual Current Devices (RCDs): RCDs are designed to protect against electric shock. They disconnect the circuit if they detect an imbalance in current, indicating a fault.
    • Combination RCD/MCB Devices: These devices combine the functions of both MCBs and RCDs in a single unit. They are often used for socket outlets.
  2. Fuses: While less common in modern installations, fuses may still be used for circuit protection. They work by melting when there’s an excess current, breaking the circuit.
  3. Overcurrent Protection: BS 7671 requires that circuits are protected against overcurrents. This is typically achieved through the use of circuit breakers, fuses, or other protective devices.
  4. Earthing and Bonding: Proper earthing and bonding are essential for safety. This ensures that in the event of a fault, the fault current is safely directed away from people and property.
  5. Surge Protection: Surge protection devices may be required to protect against voltage surges or lightning strikes, especially for sensitive electronic equipment.
  6. Arc Fault Detection: In certain installations, arc fault detection devices may be used to detect and disconnect circuits in the presence of dangerous arc faults.
  7. Circuit Isolation: BS 7671 also specifies requirements for circuit isolation devices such as switches and isolators.
  8. Cable Sizing: The standard provides guidelines for selecting the correct cable size to ensure that the cables can safely carry the intended load without overheating.
  9. Circuit Labels and Documentation: Proper labeling and documentation of circuits are important for maintenance and safety. BS 7671 outlines requirements for labeling and record-keeping.

It’s important to note that regulations and standards may be updated over time, so it’s essential to consult the latest version of BS 7671 and any local regulations or codes that may apply to your specific location or type of installation. Additionally, electrical work should be carried out by qualified and competent electricians to ensure compliance with safety standards.

 






© 2026 Electrical4less
We accept Visa We accept Mastercard We accept Maestro We accept PayPal We use Amazon Pay We use Apple Pay We use Google Pay
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.

Didn't find what you're looking for?

No problem — message us directly on WhatsApp and we’ll help you out.

We usually respond within minutes during working hours.

Cookie Preferences
We use cookies to enhance your browsing experience, serve personalised content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies. To find out more about how we use cookies please view our Privacy Policy.
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

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.

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

GARO items that are not available from our shelf stock will usually be ordered directly from GARO and dispatched as soon as they arrive with us. 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

Hager items that are not available from our shelf stock will usually be ordered directly from Hager and dispatched as soon as they arrive with us. Delivery is generally completed within 2–4 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.

Cookie Preferences

We use cookies to help you navigate the site and use its features. Below you will find details about each cookie category.

Cookies marked as "Necessary" are stored in your browser and are required for the site to function properly.

We also use third-party cookies to analyse site usage, remember your preferences, and show you relevant content and ads. These are only stored with your consent.

You can enable or disable optional cookies below. Turning some off may affect how the site works for you.

Necessary Always Active

Necessary cookies are needed for core site features, such as secure login and saving your cookie preferences. They do not store personal data.