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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 261–280 of 2370 results

Live Electrical LSFS100 - 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection

Live Electrical LSFS100/3F – 6 Way Metal 125A Fuse Switch Box with 100A Main Switch and Surge Protection
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: LSFS100/3F
£58.50
Garo G6EV40PME EV Consumer Unit with 40A Type A RCBO and PEN Fault Detection – 18th Edition-Compliant Metal Enclosure

Garo G6EV40PME EV Consumer Unit with PEN Fault Detection and B40A Type A RCBO
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: G6EV40PME
£90.75
Hager ADB440G Hager ADB440G 40A B Type RCBO 6kA 30mA

Hager | ADB440G | 1P+N | 6kA | 30mA | B Curve | Type A RCBO | 40A
7 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADB440G
£13.55
FuseBox MT06B501 50A MCB Curve B

FuseBox MT06B501 50A MCB Curve B
33 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B501
£1.95
FuseBox MT10C402 FuseBox MT10C402 40A Double Pole 10kA C Curve MCB

FuseBox MT10C402 40A Double Pole 10kA C Curve MCB
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C402
£6.68
FuseBox MT10C323 FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB

FuseBox MT10C323 32A Triple Pole 10kA C Curve MCB
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: MT10C323
£9.51
3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers 2

3 Phase PME / PEN Fault Detection Unit for 2 x 3 Phase Car Chargers
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMTP28-R40CSP
£242.55
Live Electrical 10kA RCBO 20A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 20A Curve C Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA120C-030
£10.99
Live Electrical EMU4 4 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMU4 4 Way Empty DIN Rail Metal Enclosure With Lid
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EMU4
£9.74
Fusebox SF0100RA Fused Switch With 100A 100MA Type A RCD

Fusebox SF0100RA 100A Fused Switch With 100mA Type A RCD
4 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: SF0100RA
£58.45
FuseBox RTA100630C 6A 30mA 10kA C Curve Type A RCBO

FuseBox | RTA100630C | 10kA | 30mA | Curve C | Type A RCBO | 6A
29 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA100630C
£15.99
Live Electrical RI440 40A Weatherproof Rotary Isolator Switch 4 Pole 1

Live Electrical RI440 4 Pole 40A IP65 Rotary Isolator Switch
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RI440
£15.90
WCED Consumer Unit Kit with SPD and 4 RCBOs

WCED Consumer Unit Kit with SPD and 4 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME8/SP/4RCBO
£69.89
Live Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type ALive Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type A 2

Live Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MMGU32B-SP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
 Hager VAT21 Terminal Bar 21 Way with Two Support Clips

 Hager VAT21 Terminal Bar 21 Way with Two Support Clips
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: VAT21
£11.14
Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 40A Curve C Type A 30mA 1P+N
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RA140C-030
£10.99
Fire Retardant Consumer Unit / Meter Board 12" x 24" ( 304 x 608mm )

Fire Retardant Consumer Unit / Meter Board 12″ x 24″ ( 304 x 608mm )
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MB1224
£18.90
WCED WME44100 4 Pole 100A Metal Meter Isolator

WCED WME44100 4 Pole 100A Metal Meter Isolator
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME44100
£15.90
WCED WMEPME10/LB PME Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD 1

PME / PEN Fault Detection Unit with Load Management 10 Mod c/w C40 RCBO Relays and SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME10/LB
Quantity Discount
Quantity Price
1 £122.62
2+ £118.94
3+ £116.49
£122.62
Hager MTN132 MCB 6kA B-32

Hager MTN132 MCB 6kA B-32
2 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: MTN132
£2.45

Showing 261–280 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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