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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 281–300 of 2370 results

Live Electrical CB306B Live Electrical CB306B 3 Pole 6A B Curve 10kA MCB 1

Live Electrical | CB306B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 6A
9 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB306B
£8.37
FuseBox RTB630302M FuseBox RTB630302M 63A Double Pole Type B RCD

FuseBox RTB630302M 63A Double Pole Type B RCD
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTB630302M
£114.00
Live Electrical SA140 Live Electrical 1 Pole 20kA/40kA Type 2 Surge Protective Device

Live Electrical SA140 1 Pole 20kA/40kA Type 2 Surge Protective Device
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: SA140
£9.55
WCED WSPDTE-2 2 Pole 2 Module Type 1 SPD Surge Protection Device

WCED WSPDTE-2 2 Pole 2 Module Type 1 SPD Surge Protection Device
9 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WSPDTE-2
£53.27
WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs

WCED 3 Way Garage Metal SPD Consumer Unit with 6/16A RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME06/SP/G/616
£45.40
Fire Retardant Consumer Unit / Meter Board 12" x 12" ( 304 x 304mm )

Fire Retardant Consumer Unit / Meter Board 12″ x 12″ ( 304 x 304mm )
21 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MB1212
£11.90
WCED WMEV240B WCED A-Type Electric Vehicle 2 Module Enclosure - 40A RCBO B Curve 1

WCED A-Type Electric Vehicle 2 Module Enclosure – 40A RCBO B Curve
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEV240B
£25.99
Live Electrical LEV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + BusbarLive Electrical LEV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar 2

Live Electrical LEV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: LEV440SP-P
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
WCED WKC132B 10kA 1 Pole MCB Curve B 32A

WCED | WKC132B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC132B
£2.96
Live Electrical 10kA RCBO 25A Curve B Type A 30mA 1P+N

Live Electrical 10kA RCBO 25A Curve B Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA125B-030
£10.99
FuseBox RTB630304M FuseBox RTB630304M 63A 4 Pole 30MA Type B RCD

FuseBox RTB630304M 63A 4 Pole 30mA Type B RCD
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: RTB630304M
£137.70
Live Electrical EMCU4-SP Live Electrical 4 Way Metal CU with 20/40kA SPD and 100A Main Switch 1

Live Electrical EMCU4-SP Metal Enclosure with Type 2 SPD and 100A Main Switch
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: EMCU4-SP
£33.99
Envirograf EBU0 EnviroBurst Automatic Fire Suppression System - 150mm Long Tube 1

EnviroBurst Automatic Fire Suppression System – 150mm Long Tube
13 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: EBU0
£23.49
FuseBox MT06C631 63A C Curve MCB

FuseBox MT06C631 63A C Curve MCB
23 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06C631
£2.95
FuseBox MT10B321 FuseBox MT10B321 32A Single Pole 10kA B Curve MCB

FuseBox MT10B321 32A Single Pole 10kA B Curve MCB
41 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT10B321
£3.22
WCED WKC110C 10kA 1 Pole MCB Curve C 10A

WCED | WKC110C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 10A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WKC110C
£2.96
WCED WKC120C 10kA 1 Pole MCB Curve C 20A

WCED | WKC120C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WKC120C
£2.96
WCED WME08/HPRC40C Heat Pump Consumer Unit

WCED | WME08/HPRC40C | 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
Read More
SKU: WME08/HPR40C
Quantity Discount
Quantity Price
1 - 2 £150.73
3+ £144.70
5+ £138.67
£150.73
Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMCU2-A 2 Way Empty DIN Rail Metal Enclosure With Lid
2 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: EMCU2-A
£8.90
Live Electrical RA216C-030 Live Electrical Double Pole Type A RCBO - Curve C - 16A 1

Live Electrical Double Pole Type A RCBO – Curve C – 16A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA216C-030
£13.99

Showing 281–300 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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