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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1951)

Consumer Units

Consumer Units (477)

Circuit Protection Devices

Circuit Protection Devices (1068)

EV Circuit Protection

EV Circuit Protection (111)

SPD Surge Protection Devices

SPD Surge Protection Devices (127)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

Switch Fuses - Isolators

Switch Fuses - Isolators (175)

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Switch Gear (272)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 61–80 of 2380 results

FuseBox MT06B321 32A MCB Curve B

FuseBox MT06B321 32A MCB Curve B
53 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: MT06B321
£1.95
WCED WMC120B WCED Miniature Circuit Breaker 6kA Curve B - 20A 1WCED WMC120B WCED Miniature Circuit Breaker 6kA Curve B - 20A 2

WCED | WMC120B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 20A
12 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: WMC120B
£1.37
FuseBox RTAMC20 20A Mini Type A RCBO

FuseBox RTAMC20 20A Mini Type A RCBO
35 In Stock
This item cannot be back-ordered
SKU: RTAMC20
£13.50 £12.49
WCED WAC2P20/24 2 Pole 20A 24V Normally Open AC Contactor

WCED WAC2P20/24 – 2 Pole 20A 2NO 24V AC Modular Contactor
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: WAC2P20/24
Quantity Discount
Quantity Price
1 - 2 £15.86
3+ £15.46
5+ £15.07
10+ £14.67
20+ £14.27
£15.86
FuseBox RTA103230B 32A 30mA 10kA B Curve Type A RCBOFuseBox | RTA103230B | 10kA | 30mA | Curve B | Type A RCBO | 32A

FuseBox | RTA103230B | 10kA | 30mA | Curve B | Type A RCBO | 32A
32 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: RTA103230B
£15.99
Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOsLive Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs 5

Live Electrical | 7 Way SPD Metal Consumer Unit Kit | 5 RCBOs Included
In Stock
SKU: LSMC10M-SP/5RCBO
£85.37
Live Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B CurveLive Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B Curve 2

Live Electrical | AMR140B-100 | 100mA Bi-Directional Type A Compact RCBO 40A B Curve
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AMR140B-100
£9.99
WCED WMC116B WCED Miniature Circuit Breaker 6kA Curve B - 16A 1WCED WMC116B WCED Miniature Circuit Breaker 6kA Curve B - 16A 2

WCED | WMC116B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 16A
12 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: WMC116B
£1.37
Garo DNO5E 100A green 5 way terminal block designed for protective earth wiring, compatible with 2.5mm² to 35mm² cables in electrical installations.

Garo DNO5E 100A 5 Way Green Terminal Block
47 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: DNO5E
Quantity Discount
Quantity Price
1 - 9 £3.50
10+ £3.40
20+ £3.33
50+ £3.26
£3.50
Live Electrical CB116B Live Electrical CB116B 16A Curve B 10kA MCB 1Live Electrical CB116B Live Electrical CB116B 16A Curve B 10kA MCB 2

Live Electrical | CB116B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 16A
18 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: CB116B
£2.95
WCED WAC2P32/1M 2 Pole 32A NO Normally Open AC Modular Contactor - 1 Module

WCED WAC2P32/1M – 2 Pole 32A 2NO 230V AC 1-Module Modular Contactor
3 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: WAC2P32/1M
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin

Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin
15 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: TPC100
£21.04
WCED Twin Screw 100A DP Metal Meter Isolator

WCED Twin Screw 100A DP Metal Meter Isolator
24 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: MEC2100
£12.47
Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid
5 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: EMCU4-A
£9.90
WCED Double Pole Type A 30mA RCBO Curve B - 32A

WCED Double Pole Type A 30mA RCBO Curve B – 32A
12 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: WER32B-030
£15.09
Live Electrical CB320C Live Electrical CB320C 3 Pole 20A C Curve 10kA MCB 1Live Electrical CB320C Live Electrical CB320C 3 Pole 20A C Curve 10kA MCB 2

Live Electrical | CB320C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 20A
2 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: CB320C
£8.37
Live Electrical 4 Way SPD TPN Distribution BoardLive Electrical TPN04-125S Live Electrical 125 Amp 4 Way TPN Distribution Board with SPD 2

Live Electrical | TPN04-125S | 125A TP&N Distribution Board | 4P Main Switch | Type 2 SPD | 4 Way
8 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: TPN04-125S
£124.03
Fusebox RTAMB40 40A Mini Type A RCBOFusebox RTAMB40 40A Mini Type A RCBO 2

Fusebox RTAMB40 40A Mini Type A RCBO
13 In Stock
This item cannot be back-ordered
SKU: RTAMB40
£13.50 £12.49
Live Electrical RNC32B-30N – 32A Double Pole Single Module RCBO

Live Electrical | RNC132B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 32A
126 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RNC132B-030N
£9.75
Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch

Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch
1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RI432
£12.30

Showing 61–80 of 2380 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.

 






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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

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.

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