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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 881–900 of 2370 results

FuseBox R3PN10C4030BD Curve C 3 Phase 40A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10C4030BD | 10kA | 30mA | Curve C | 3P+N Bi-Directional RCBO | 40A
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: R3PN10C4030BD
£64.72
Switchtec CURDP 10 Way Consumer Unit Relocation Kit

Switchtec | CURDP | 10 Way Consumer Unit Relocation Kit | 30 DIN Push-In Terminals | 2.5–10mm
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: CURDP
£46.48
WCED WRT125C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 25A

WCED WRT125C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 25A
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRT125C-030
£10.97
WCED WRI3P63 63A DIN Rail Rotary Isolator SwitchWCED | WRI3P63 | 63A | 3 Pole | DIN Rail Rotary Isolator Switch

WCED | WRI3P63 | 63A | 3 Pole | DIN Rail Rotary Isolator Switch
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRI3P63
£17.49
Timeguard TX2416 16A Type A RCBO

Timeguard | TX2416 | B Curve | 6kA | Type A RCBO | 16A
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: TX2416
£9.30
FuseBox 23 Way Consumer Unit Kit with 18 RCBOs

FuseBox | F3023MZ | 23 Way Consumer Unit Kit | 18 RCBOs | 5 Blanks | Gland
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: F3023MZ/KIT/15
£311.15
WCED WME12/HPRC40C Heat Pump Consumer Unit

WCED | WME12/HPRC40C | 12 Module | Heat Pump Consumer Unit | 40A Type B HP RCD | 1 x 16A MCB | 2 × 16A RCBOs | SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME12/HPRC40C
Quantity Discount
Quantity Price
1 - 2 £166.16
3+ £159.51
5+ £152.87
£166.16
Live Electrical LSMC16S-SP SRN Consumer UnitLive Electrical | LSMC16S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 13 Way

Live Electrical | LSMC16S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 13 Way
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: LSMC16S-SP
Quantity Discount
Quantity Price
1 £62.70
2+ £60.19
3+ £58.94
£62.70
Hager JK11003S Hager JK11003S 100A 3 Pole Mains Switch Incomer Kit 1

Hager JK11003S 100A 3 Pole Mains Switch Incomer Kit
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: JK11003S
£42.88
Hager JK1/INCOMSHROUD Main Incomer Shroud

Hager JK1/INCOMSHROUD Main Incomer Shroud
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: JK1/INCOMSHROUD
£24.81
Hager VM04CE Hager VM04CE Meter Tail Entry

Hager VM04CE Meter Tail Entry
46 In Stock
This item cannot be back-ordered
SKU: VM04CE
£1.50
Hager SBN263 63A Double Pole Isolator

Hager SBN263 63A Double Pole Isolator
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: SBN263
£32.50
Live Electrical CB310D Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB 1

Live Electrical | CB310D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 10A
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB310D
£8.37
Hager JK108BA3 Hager JK108BA3 125A 8 Way TPN Board with Plain Door (Amendment 3)

Hager JK108BA3 125A 8 Way TPN Board with Plain Door (Amendment 3)
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: JK108BA3
£206.82
Hager JK11004S Hager JK11004S 100A 4 Pole Mains Switch Incomer Kit 1

Hager JK11004S 100A 4 Pole Mains Switch Incomer Kit
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: JK11004S
£58.48
Hager NCN306A 3 Pole Type C MCB 6A 10kA

Hager NCN306A 3 Pole Type C MCB 6A 10kA
5 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NCN306A
£38.80
Hager NCN340A 3 Pole MCB Type C 40A 10kA

Hager NCN340A 3 Pole MCB Type C 40A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: NCN340A
£38.80
FuseBox INC254 4 Pole 25A 230V NO Normally Open AC Modular Contactor

FuseBox INC254 – 4 Pole 25A 4NO 230V AC Modular Contactor
3 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: INC254
£10.89
Live Electrical EN5050/250 IP65 Metal Enclosure, 500x500x250mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

Live Electrical EN5050/250 IP65 Metal Enclosure H:500 x W:500 x D:250mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EN5050/250
£86.90
1.6mm-2.0mm Grommet PE Strip - 10 metres

1.6mm-2.0mm Grommet PE Strip – 10 metres
2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: GS3/10M
£6.15

Showing 881–900 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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