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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 1021–1040 of 2370 results

Live 9 Way Double Pole Busbar RCBO Consumer UnitLive Electrical DP RNC Range RCBO

Live Electrical | LSMC12SRN/100 | 9 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 9 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
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SKU: LSMC12SRN/100
£138.26
Live 11 Way Double Pole Busbar RCBO Consumer Unit

Live Electrical | LSMC14SRN/100 | 11 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
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SKU: LSMC14SRN/100
£152.85
Live 13 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

Live Electrical | LSMC16SRN/100 | 13 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 13 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
Read More
SKU: LSMC16SRN/100
£183.76
Live Electrical LSMC08S-SP SRN Consumer UnitLive Electrical | LSMC08S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 5 Way

Live Electrical | LSMC08S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 5 Way
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: LSMC08S-SP
Quantity Discount
Quantity Price
1 £49.50
2+ £47.52
3+ £46.53
£49.50
Live Electrical MFS125 125A Interlocked Fused Switch

Live Electrical | MFS125 | 125A Metal Interlocked Fused Switch | IP20 | 3 Pole + Neutral
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MFS125
£113.74
Live Electrical TPN10-125 Live Electrical TPN10-125 125A 10 Way TPN Distribution Board 1

Live Electrical TPN10-125 125A 10 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: TPN10-125
£125.01
Live Electrical TPN14-125 Live Electrical TPN14-125 125A 14 Way TPN Distribution Board 1

Live Electrical TPN14-125 125A 14 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN14-125
£171.63
Hager MTN150 MCB 6kA B-50

Hager MTN150 MCB 6kA B-50
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: MTN150
£2.64
Live Electrical CB350D Live Electrical CB350D 3 Pole 50A D Curve 10kA MCB 1

Live Electrical | CB350D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 50A
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB350D
£9.07
Hager VML11010 Hager VML11010 Dual Row 10+10 Way Main Switch Consumer Unit

Hager VML11010 Dual Row 10+10 Way Main Switch Consumer Unit
1 In Stock
This item cannot be back-ordered
SKU: VML11010
£141.69
Hager JK112BA3 Hager JK112BA3 125A 12 Way TPN Board with Plain Door (Amendment 3)

Hager JK112BA3 125A 12 Way TPN Board with Plain Door (Amendment 3)
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: JK112BA3
£246.84
Hager NBN316A 3 Pole MCB Type B 16A 10kA

Hager NBN316A 3 Pole MCB Type B 16A 10kA
6 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NBN316A
£37.71
Hager NCN316A 3 Pole MCB Type C 16A 10kA

Hager NCN316A 3 Pole MCB Type C 16A 10kA
15 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: NCN316A
£37.71
Hager NCN325A 3 Pole MCB Type C 25A 10kA

Hager NCN325A 3 Pole MCB Type C 25A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: NCN325A
£37.71
Hager NCN140A Hager NCN140A Single Pole Type C MCB 40A 10kA

Hager NCN140A Single Pole Type C MCB 40A 10kA
4 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: NCN140A
£9.44
Hager NCN106A Hager NCN106A Single Pole Type C MCB 6A 10kA

Hager NCN106A Single Pole Type C MCB 6A 10kA
3 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: NCN106A
£9.36
Live Electrical EN6050/250 Live Electrical Metal Enclosure IP65 H:600 x W:500 x D:250mm 1

Live Electrical EN6050/250 IP65 Metal Enclosure H:600 x W:500 x D:250mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: EN6050/250
£103.29
Live Electrical CEV240B-030 2 Pole 40A 30mA Type B RCCBLive Electrical CEV240B-030 2 Pole 40A 30mA Type B RCCB 2

Live Electrical | CEV240B-030 | 2 Pole | Bi-Directional Type B RCD | 10kA | 30mA | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: CEV240B-030
£89.00
FuseBox F3032MDT 32 Way 2x100A Dual Tariff Consumer Unit

FuseBox F3032MDT 32 Way 2x100A Dual Tariff Consumer Unit
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: F3032MDT
£140.97
WCED 16 Way Main Switch Consumer Unit

WCED | WME18/MS100 | 100A Main Switch Consumer Unit | 16 Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WME18/MS100
£35.48

Showing 1021–1040 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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