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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 61–80 of 2370 results

WCED WSPD240KIT2 Type 2 20/40kA SPD Surge Protection Kit with Busbar and Earth Link

WCED WSPD240KIT2 Type 2 20/40kA SPD Surge Protection Kit with Busbar and Earth Link
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WSPD240KIT2
£15.44
Hager ADA316G Hager ADA316G RCBO 16 Amp B Type 30mA 6kA

Hager | ADA316G | 6kA | 30mA | B Curve | Type A RCBO | 16A
2 In Stock
This item cannot be back-ordered
SKU: ADA316G
£11.90
Live Electrical | LFE10G-RED | Heat Aerosol Fire Extinguishing DeviceLive Electrical | LFE10G-RED | Heat Aerosol Fire Extinguishing Device

Live Electrical | LFE10G-RED | Heat Aerosol Fire Extinguishing Device
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: LFE10G-RED
£8.50
Live Electrical 10kA RCBO 10A Curve B Type A 30mA 1P+N

Live Electrical 10kA RCBO 10A Curve B Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA110B-030
£10.99
Live Electrical CB332C Live Electrical CB332C 3 Pole 32A C Curve 10kA MCB 1Live Electrical CB332C Live Electrical CB332C 3 Pole 32A C Curve 10kA MCB 2

Live Electrical | CB332C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 32A
23 In Stock
This item cannot be back-ordered
SKU: CB332C
£8.37
Live Electrical 10kA RCBO 6A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 6A Curve C Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA106C-030
£10.99
Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 1Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 2

Live Electrical 100A 22×58 Fuse
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: FU100A22
£1.99
Live Electrical AMR110B-030 30mA Type A 10A 6kA B Curve Bi-Directional RCBO

Live Electrical | AMR110B-030 | 6kA 30mA | Type A B Curve | Bi-Directional RCBO | 10A
151 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: AMR110B-030
£8.22
WME08/HP40C Heat Pump Consumer Unit with Type B RCD

WCED | WME08/HP40C | Heat Pump Consumer Unit | 40A Type B HP RCD | 3 x C16 MCB | SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME08/HP40C
Quantity Discount
Quantity Price
1 - 2 £133.98
3+ £128.62
5+ £123.26
£133.98
WCED WMC132B WCED Miniature Circuit Breaker 6kA Curve B - 32A 1

WCED | WMC132B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMC132B
£1.37
Hager ADA320G Hager ADA320G RCBO 20 Amp B Type 30mA 6kA

Hager | ADA320G | 6kA | 30mA | B Curve | Type A RCBO | 20A
10 In Stock
This item cannot be back-ordered
SKU: ADA320G
£11.90
WCED WHA465 WCED 4 Way Empty Plastic Enclosure 1WCED WHA465 WCED 4 Way Empty Plastic Enclosure 2

WCED 4 Way Empty Plastic Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WHA4-EV
Quantity Discount
Quantity Price
1 - 4 £10.23
5+ £9.97
10+ £9.72
20+ £9.46
£10.23
Live Electrical LEV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + BusbarLive Electrical LEV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar 2

Live Electrical LEV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: LEV440SP-BP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
WCED WFMS100/3F WCED Metal Fused Main Switch with 3 Fuses 1WCED WFMS100/3F WCED Metal Fused Main Switch with 3 Fuses 2

WCED Metal Fused Main Switch with 3 Fuses
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WFMS100/3F
£26.62
Live Electrical CB132B Live Electrical CB132B 32A Curve B 10kA MCB 1

Live Electrical | CB132B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: CB132B
£2.95
FuseBox RTAMB16BD Bi-Directional RCBO 16Abidirectional rcbo

FuseBox | RTAMB16BD | 30mA | Curve B | Type A Bi-Directional Mini RCBO | 16A
32 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: RTAMB16BD
£14.34
WCED WRB116C-030 WCED Type A High Immunity Curve C 16A 30mA RCBO 1

WCED Type A High Immunity Curve C 16A 30mA RCBO
4 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRB116C-030
£9.00
WCED WME5L/32 WCED Mini CU 5 Way Empty Enclosure

WCED Mini CU 5 Way Empty Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME5L/32
Quantity Discount
Quantity Price
1 - 4 £10.26
5+ £10.00
10+ £9.75
20+ £9.49
£10.26
Live Electrical EMCU3-A 3 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMCU3-A 3 Way Empty DIN Rail Metal Enclosure With Lid
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: EMCU3-A
£9.45
WCED WMC106B WCED Miniature Circuit Breaker 6kA Curve B - 6A 1

WCED | WMC106B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 6A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMC106B
£1.37

Showing 61–80 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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