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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)

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EV Circuit Protection (109)

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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 1221–1240 of 2370 results

Live Electrical WRB1-63N Wi-Fi Smart RCD Switch with kWh Metering and Earth Leakage Protection

Live Electrical WRB1-63N Wi-Fi Smart RCD Switch with kWh Metering and Earth Leakage Protection
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRB1-63N
£26.43
Garo GMS5EV40R 5-Way IP65 EV Consumer Unit – 100A Isolator, 40A RCBO, Type 2 SPDIP65 EV Consumer Unit – 100A Isolator, 40A RCBO, Type 2 SPD - Garo GMS5EV40R 5-Way

Garo GMS5EV40R 5-Way IP65 EV Consumer Unit – 100A Isolator B40A DP RCBO Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: GMS5EV40R
£67.86
Hager ARL932U AFDD with 30mA RCBO 32A – Curve B Type A with 1m Neutral Fly Lead

Hager ARL932U AFDD with 30mA RCBO 32A – Curve B Type A with 1m Neutral Fly Lead
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ARL932U
£108.95
Niglon MFTP Multifunction Multi Voltage DIN Rail Mounted Timer

Niglon MFTP Multifunction Multi Voltage DIN Rail Mounted Timer
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MFTP
£22.34
Niglon VMT4 3 Phase Failure and Rotation Monitor

Niglon VMT4 3 Phase Failure and Rotation Monitor
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: VMT4
£21.73
FuseBox F3047MZ 47 Way RCBO Consumer Unit With SPD

FuseBox F3047MZ 47 Way RCBO Consumer Unit With SPD
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: F3047MZ
£176.77
FuseBox F3024M 24 Way Double Bank RCBO Consumer Unit

FuseBox F3024M 24 Way Double Bank RCBO Consumer Unit
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: F3024M
£107.85
FuseBox F3032M 32 Way Double Bank RCBO Consumer Unit

FuseBox F3032M 32 Way Double Bank RCBO Consumer Unit
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3032M
£138.48
CM100LCD-ETC-NET Single Phase Energy Bi-Directional Meter with NET Function

CM100LCD-ETC-NET Single Phase Energy Bi-Directional Meter with NET Function
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CM100LCD-NET-ETC
£47.53
Niglon ISS324P Steel 32A 4 Pole Rotary Isolator – IP65-rated switch for commercial and light industrial systems.

Niglon ISS324P Stainless Steel 32A 4P IP65 Rotary Isolator
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: ISS324P
£104.20
Fusebox F3004E 4 Module Metal Enclosure with Neutral Cable and BusbarFusebox F3004E 4 Module Metal Enclosure with Neutral Cable and Busbar

Fusebox F3004E 4 Module Metal Enclosure with Neutral Cable and Busbar
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: F3004E
£14.99
Fusebox F300GRA 63A 30mA RCD Garage Unit Consumer Unit - B6 / B16 MCBs

Fusebox F300GRA 63A 30mA RCD Garage Unit Consumer Unit – B6 / B16 MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: F300GRA
£29.26
Live Electrical DCM450C 4 Pole C Curve 6kA 50A 1000V DC MCB

Live Electrical DCM450C 4 Pole C Curve 6kA 50A 1000V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: DCM450C
£16.95
Live Electrical DCM425C 4 Pole C Curve 6kA 25A 1000V DC MCB

Live Electrical DCM425C 4 Pole C Curve 6kA 25A 1000V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: DCM425C
£16.95
PVC Trunking (50x50mm) for FuseBox F3021MZ / F3022M Consumer UnitPVC Trunking (50x50mm) for FuseBox F3021MZ / F3022M Consumer Unit 2

PVC Trunking (50x50mm) for FuseBox F3021MZ / F3022M Consumer Unit
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MAK50/50/F3021MZ
£8.95
Niglon Protego 15 Way Main Switch SPD Consumer Unit – PCU1816M/SPDNiglon Protego Consumer Unit

Niglon Protego 15 Way Main Switch SPD Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PCU1816M/SPD
£65.98
WCED 4 Pole 100A 30mA Type A RCD

WCED | WAR4100-030 | Bi-Directional | Type A RCD | 4 Pole | 100A | 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAR4100-030
Quantity Discount
Quantity Price
1 £28.47
2+ £27.62
3+ £27.05
£28.47
WCED 2 Pole 80A 100mA Time Delay Type A RCD

WCED | WARTD280-100 | Bi-Directional | Time Delay Type A RCD | 2 Pole | 80A | 100mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WARTD280-100
Quantity Discount
Quantity Price
1 £34.54
2+ £33.50
3+ £32.81
£34.54
Garo DCBO1MB32 32A Curve B 1 Module 2 Pole Type A RCBO

Garo DCBO1MB32 32A Curve B 1 Module 2 Pole Type A Bi-Directional RCBO
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DCBO1MB32
£19.99
Garo 40A 4 Pole Type A 30mA RCCB

Garo DCCB40-4-03 40A 4 Pole Type A 30mA Bi-Directional RCCB
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: DCCB40-4-03
£31.71

Showing 1221–1240 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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