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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1941)

Consumer Units

Consumer Units (477)

Circuit Protection Devices

Circuit Protection Devices (1068)

EV Circuit Protection

EV Circuit Protection (109)

SPD Surge Protection Devices

SPD Surge Protection Devices (124)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

Switch Fuses - Isolators

Switch Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 521–540 of 2370 results

Live Electrical TPN08-125 Live Electrical TPN08-125 125A 8 Way TPN Distribution Board 1

Live Electrical TPN08-125 125A 8 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN08-125
£109.94
Live Electrical MAC2P40 Live Electrical MAC2P40 40A Modular AC Contactor 2 Pole NO 1

Live Electrical MAC2P40 – 2 Pole 40A 2NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MAC2P40
£9.79
Live Electrical 2 Pole Time Delay 100mA 100A RCD

Live Electrical | RTA2100-100 | 2 Pole | Time Delay Type A RCD | 6kA | 100mA | 100A
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RTA2100-100
£28.50
WCED WME12 WCED 12 Way Metal Enclosure 1WCED WME12 WCED 12 Way Metal Enclosure 2

WCED 12 Way Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME12
Quantity Discount
Quantity Price
1 - 4 £25.72
5+ £25.08
10+ £24.43
20+ £23.79
£25.72
Live Electrical RDA480-030 4 Pole Type A 80A 30mA RCD

Live Electrical | RDA480-030 | 4 Pole | Bi-Directional Type A RCD | 6kA | 30mA | 80A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA480-030
£19.99
Live Electrical CZ180C 1P 80A MCB 10kA Curve C

Live Electrical | CZ180C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 80A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CZ180C
£6.15
Hager CDB540HP 30mA 40A RCCB 1P+N Type B HP for Heat Pumps

Hager CDB540HP 30mA 40A RCCB 1P+N Type B HP for Heat Pumps
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: CDB540HP
£146.98
Garo DCBO2MC40 40A 2 Pole RCBO with 30mA RCD – Compact 2-module device with C curve tripping for overload, short-circuit,, making it ideal for 40A EV charger installations.

Garo DCBO2MC40 30mA C Curve 40A Double Pole RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: DCBO2MC40
£20.79
Niglon Consumer Unit Lid Magnet – Universal Fit for Metal Boards

Niglon PMAGNET Protego Consumer Unit Lid Magnet
28 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PMAGNET
£1.15
WCED WRT132C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 32A

WCED WRT132C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 32A
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRT132C-030
£10.97
Hager NCN116A Hager NCN116A Single Pole Type C MCB 16A 10kA

Hager NCN116A Single Pole Type C MCB 16A 10kA
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NCN116A
£9.18
FuseBox MAFDD062030B 20A AFDD RCBO 30mAFuseBox MAFDD062030B 20A AFDD RCBO 30mA 2

FuseBox AFDD062030B 20A AFDD RCBO 30mA
1 In Stock
This item cannot be back-ordered
SKU: AFDD062030B
£70.99
Fusebox AFMF14 14 Module Flush Mounting Frame Kit

Fusebox AFMF14 14 Module Flush Mounting Frame Kit
3 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AFMF14
£13.27
Envirograf SCUB2 Intumescent Strip – 150x60mm

Envirograf SCUB2 Intumescent Strip for Metal Consumer Units – 150x60mm
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SCUB2
£3.82
WCED WMC140C WCED Miniature Circuit Breaker 6kA Curve C - 40A 1

WCED | WMC140C | 6kA | Curve C | 1 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMC140C
£1.37
WCED WMC132C WCED Miniature Circuit Breaker 6kA Curve C - 32A 1

WCED | WMC132C | 6kA | Curve C | 1 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMC132C
£1.37
FuseBox SPDCUKITT1 Fusebox SPDCUKITT1 TYPE 1

Fusebox SPDCUKITT1 Type 1,2 & 3 Surge Protection Device Kit
1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: SPDCUKITT1
£109.00
Live Electrical SA120 Live Electrical 1 Pole 10kA/20kA Type 2 Surge Protective Device

Live Electrical SA120 1 Pole 10kA/20kA Type 2 SPD Surge Protective Device
5 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: SA120
£7.95
Wiska CUR 818 10 Way Consumer Unit Relocation Kit

Wiska CUR 818 10 Way Consumer Unit Relocation Kit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: 10111773
£58.95
FuseBox MT10C502 FuseBox MT10C502 50A Double Pole 10kA C Curve MCB

FuseBox MT10C502 50A Double Pole 10kA C Curve MCB
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: MT10C502
£6.95

Showing 521–540 of 2370 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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