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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1906)

Consumer Units

Consumer Units (468)

Circuit Protection Devices

Circuit Protection Devices (1064)

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EV Circuit Protection (105)

SPD Surge Protection Devices

SPD Surge Protection Devices (125)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

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Switch Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 1241–1260 of 2354 results

Live CEB240-030 40A 2 Pole Type B HP RCD for Heat Pumps

Live Electrical | CEB240-030 | 2 Pole | Bi-Directional Type B HP RCD for Heat Pumps | 10kA | 30mA | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CEB240-030
£87.84
Live RKN316C-030 Bi-Directional 3 Phase RCBO C16A

Live Electrical | RKN316C-030 | 3P+N | Bi-Directional RCBO | Type A | Curve C | 30mA | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RKN316C-030
£48.41
Live RKN332C-030 Bi-Directional 3 Phase RCBO C32A

Live Electrical | RKN332C-030 | 3P+N | Bi-Directional RCBO | Type A | Curve C | 30mA | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RKN332C-030
£48.41
Live Electrical | LSMC24SRN/125 | 21 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 21 x DP RCBOsDouble Pole 100A Busbar

Live Electrical | LSMC24SRN/125 | 21 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 21 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
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SKU: LSMC24SRN/125
£293.49
Niglon M3CU16SP 10 RCBO SPD Consumer Unit KitNiglon M3CU14SP/8RCBO SPD Consumer Unit Kit with 8 RCBOs

Niglon | M3CU16SP | SPD Consumer Unit Kit | 13 Usable Ways | 10 Bi-Directional RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: M3CU16SP/10RCBO/BIDIR
£158.64
Live 15 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

Live Electrical | LSMC18SRN/100 | 15 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 15 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
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SKU: LSMC18SRN/100
£203.21
MS4100B 4 Pole 100A Main Switch Double Terminal

Live Electrical | MS4100B | 4 Pole Main Switch | 100A Double Terminal Busbar Compatible
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MS4100B
£12.03
White IP65 Metal 3 Phase EV Consumer Unit C40A RCBO

Live Electrical | AGU840SP-P/W | IP65 White Metal EV Charger Consumer Unit | C40A Type A RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AGU840SP-P/W
£96.17
FMC06SRN/100 Flush Double Pole Busbar RCBO Consumer UnitLive Electrical | FMC06SRN/100 | 6 Way Flush Metal Populated RCBO Consumer Unit | SPD | 3 x DP RCBOs

Live Electrical | FMC06SRN/100 | 3 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 3 x DP RCBOs
Out of Stock
Expected back in stock end of May.
Read More
SKU: FMC06SRN/100
£90.15
Read more
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
3 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LSMC08S-SP
£49.50
Live Electrical LSMC14S-SP SRN Consumer UnitLive Electrical | LSMC14S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 11 Way

Live Electrical | LSMC14S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 11 Way
15 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LSMC14S-SP
£58.85
Hager JK1/NEUTRALSHROUD Neutral Clear Shroud

Hager JK1/NEUTRALSHROUD Neutral Clear Shroud
4 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: JK1/NEUTRALSHROUD
£4.96
Hager JK100TAP Top Tap Off Kit

Hager JK100TAP Top Tap Off Kit
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: JK100TAP
£53.34
Live Electrical CB306D Live Electrical CB306D 3 Pole 6A D Curve 10kA MCB 1

Live Electrical | CB306D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 6A
7 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: CB306D
£8.37
Hager JFD306U 63A TPN Metal Fused Switch

Hager JFD306U 63A TPN Metal Fused Switch
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: JFD306U
£268.06
Hager JFG312U 125A TPN Metal Fused SwitchHager JFG312U Hager JFG312U 125A TPN Metal Fused Switch 2

Hager JFG312U 125A TPN Metal Fused Switch
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: JFG312U
£498.14
Hager JFH340U 400A TPN Metal Fused SwitchHager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 2

Hager JFH340U 400A TPN Metal Fused Switch
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: JFH340U
£1,571.42
Hager NBN325A 3 Pole MCB Type B 25A 10kA

Hager NBN325A 3 Pole MCB Type B 25A 10kA
4 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: NBN325A
£37.71
Hager NBN340A 3 Pole Type B MCB 40A 10kA

Hager NBN340A 3 Pole Type B MCB 40A 10kA
2 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: NBN340A
£38.80
Hager NBN350A 3 Pole MCB Type B 50A 10kA

Hager NBN350A 3 Pole MCB Type B 50A 10kA
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: NBN350A
£41.00

Showing 1241–1260 of 2354 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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