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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 1541–1560 of 2370 results

Hager NDN150A Hager NDN150A Single Pole Type D MCB 50A 10kA

Hager NDN150A Single Pole Type D MCB 50A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: NDN150A
£10.60
Hager NDN163A Hager NDN163A Single Pole Type D MCB 63A 10kA

Hager NDN163A Single Pole Type D MCB 63A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: NDN163A
£11.36
Hager NBN125A Hager NBN125A Single Pole Type B MCB 25A 10kA

Hager NBN125A Single Pole Type B MCB 25A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: NBN125A
£9.18
Live Electrical AFDD - 6A

Live Electrical | AFD6B | AFDD with Type A RCBO | 6kA 30mA | B6
2 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: AFD6B
£66.14
Live Electrical AFDD - 25A

Live Electrical | AFD25B | AFDD with Type A RCBO | 6kA 30mA | B25
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: AFD25B
£66.14
FuseBox AFDD061030B 10A AFDD RCBO 30mA

FuseBox AFDD061030B 10A AFDD RCBO 30mA
4 In Stock
This item cannot be back-ordered
SKU: AFDD061030B
£70.99
FuseBox AFDD062530B 25A 30mA AFDD

FuseBox AFDD062530B 25A 30mA AFDD
4 In Stock
This item cannot be back-ordered
SKU: AFDD062530B
£70.99
Fuse Wire Carded

Fuse Wire Carded
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: FWC
£0.83
Live Electrical EN12060/300 Live Electrical Metal Enclosure IP65 H:1200 x W:600 x D:300mm 1

Live Electrical EN12060/300 IP65 Metal Enclosure H:1200 x W:600 x D:300mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EN12060/300
£258.39
Live Electrical EN12080/300 Live Electrical Metal Enclosure IP65 H:1200 x W:800 x D:300mm 1Live Electrical EN12080/300 Live Electrical Metal Enclosure IP65 H:1200 x W:800 x D:300mm 2

Live Electrical EN12080/300 IP65 Metal Enclosure H:1200 x W:800 x D:300mm
Available to Order
Estimated Lead Time:
Usually 2 - 3 Months
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SKU: EN12080/300
£303.05
Live Electrical 1 Way Mushroom Head Stop Push Button with Key Reset

Live Electrical 1 Way Mushroom Head Stop Push Button with Key Reset
2 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: SPBKEY
£10.90
WCED Plastic Garage Unit - 100A Main Switch 6A/16A B MCB

WCED Plastic Garage Unit – 100A Main Switch 6A/16A B MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPMS04/616
£21.53
WCED Plastic Garage Unit - 100A Main Switch 6A/20A B MCB

WCED Plastic Garage Unit – 100A Main Switch 6A/20A B MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPMS04/620
£21.53
WCED WMC110C WCED Miniature Circuit Breaker 6kA Curve C - 10A 1

WCED | WMC110C | 6kA | Curve C | 1 Pole Bi-Directional MCB | 10A
9 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WMC110C
£1.53
Hager ADA140U RCBO 10kA B-40A 30mA Type A

Hager ADA140U RCBO 10kA B-40A 30mA Type A
1 In Stock
This item cannot be back-ordered
SKU: ADA140U
£30.99
WCED WME18100TR/SP WCED Metal Dual 100A Type A RCD SPD Consumer Unit – 10 Usable Way

WCED Metal Dual 100A Type A RCD SPD Consumer Unit – 10 Usable Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WME18100TR/SP
£91.63
WCED WME22100TR WCED Metal Dual 100A Type A RCD Consumer Unit – 16 Usable Way

WCED Metal Dual 100A Type A RCD Consumer Unit – 16 Usable Way
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME22100TR
£84.28
Axiom TCF211 Axiom Auxiliary Contact Block 1N/O 1N/C - Front

Axiom TCF211 Auxiliary Contact Block
1 In Stock
This item cannot be back-ordered
SKU: TCF211
£3.95
Axiom TCL1 Axiom Mechanical Interlock

Axiom TCL1 Mechanical Interlock
2 In Stock
This item cannot be back-ordered
SKU: TCL1
£5.07
Deligo Photovoltaic (Solar) DC Rotary Isolator Switch - 25A

Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 25A
1 In Stock
This item cannot be back-ordered
SKU: DSRI25
£24.58 £19.99

Showing 1541–1560 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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