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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)

Switch Gear

Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 1481–1500 of 2370 results

Live 5 Way Double Pole Busbar RCBO Consumer UnitDP Busbar

Live Electrical | LSMC08SRN/100 | 5 Way Metal Preconfigured Populated RCBO Consumer Unit | SPD | 5 x DP RCBOs
Available to Order
Delivery usually within 2 - 4 working days
Read More
SKU: LSMC08SRN/100
£97.58
Live Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD IncomerLive Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD Incomer

Live Electrical | TPNH02R | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole 30mA RCD Incomer
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: TPNH02R
£59.06
Grey IP65 Metal 3 Phase EV Consumer Unit C40A RCBO

Live Electrical | AGU840SP-P/G | Grey IP65 Metal 3 Phase EV Consumer Unit | C40A Type A RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: AGU840SP-P/G
£96.17
Live Electrical | FMC14SRN/100 | 11 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs

Live Electrical | FMC14SRN/100 | 11 Way Flush Metal Preconfigured Populated RCBO Consumer Unit | SPD | 11 x DP RCBOs
Available to Order
Estimated Lead Time:
Usually 2 - 4 Working Days
Read More
SKU: FMC14SRN/100
£198.00
Live Electrical LHP840MSE Heat Pump Consumer UnitLive Electrical | LHP840MSE | Heat Pump Consumer Unit | 8 Module | 40A Type B HP RCD | 40A C Curve MCB | SPD

Live Electrical | LHP840MSE | Heat Pump Consumer Unit | 8 Module | 40A Type B HP RCD | 40A C Curve MCB | SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: LHP840MSE
£147.08
Live Electrical Heat Pump Consumer Unit C16 RCBOLive CEB240-030 40A 2 Pole Type B HP RCD for Heat Pumps

Live Electrical | LHP1040MSE-2R | Heat Pump Consumer Unit | 40A Type B HP RCD | 1 x C16 MCB 2 x C16 RCBO | SPD
2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LHP1040MSE-2R
£180.33
Whitecliffe WPGU05-EV IP65 4/5 Way Plastic EnclosureWCED | WPGU05-EV | IP65 4/5 Way Plastic Enclosure with Earth & Neutral Bars

WCED | WPGU05-EV | IP65 4/5 Way Plastic Enclosure with Earth & Neutral Bars
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WPGU05-EV
Quantity Discount
Quantity Price
1 - 4 £10.93
5+ £10.66
10+ £10.38
20+ £10.11
£10.93
Hager VME11920SPD 19+20 Way Consumer Unit

Hager | VME11920SPD | Design Evo | 19+20 Way Main Switch Consumer Unit | Double Row | Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME11920SPD
£231.02
Hager VME406AH 6 Way RCD Consumer Unit

Hager | VME406AH | Design Evo | 6 Way RCD Consumer Unit | Type A RCCB
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME406AH
£48.75
Hager VME004 4 Way DIN Rail Enclosure

Hager | VME004 | Design Evo | 4 Way DIN Rail Enclosure
1 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: VME004
£20.92
Hager VME012 12 Way DIN Rail Enclosure

Hager | VME012 | Design Evo | 12 Way DIN Rail Enclosure
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME012
£31.87
Hager ADB906R B6A Bidirectional RCBOHager | ADB906R | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 6A

Hager | ADB906R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 6A
26 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: ADB906R
£13.55
Hager ADB910R B10A Bidirectional RCBOHager | ADB910R | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 10A

Hager | ADB910R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 10A
13 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: ADB910R
£13.55
Live Electrical LSMC18S-SP SRN Consumer Unit

Live Electrical | LSMC18S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 15 Way
16 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LSMC18S-SP
Quantity Discount
Quantity Price
1 £66.56
2+ £63.90
3+ £62.57
£66.56
Live Electrical LSMC22S-SP SRN Consumer UnitLive Electrical | LSMC22S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 19 Way

Live Electrical | LSMC22S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 19 Way
7 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LSMC22S-SP
Quantity Discount
Quantity Price
1 £73.59
2+ £70.65
3+ £69.17
£73.59
Live Electrical | LSMC24S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 21 Way

Live Electrical | LSMC24S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 21 Way
3 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: LSMC24S-SP
Quantity Discount
Quantity Price
1 £86.35
2+ £82.90
3+ £81.17
£86.35
Hager VME119SPD Consumer Unit Kit

Hager | VME119SPD | Design Evo Consumer Unit Kit | Type 2 SPD | 19 Way | 15 RCBOs
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME119SPD/KIT/15RCBO
£289.09
Hager VME113SPD Consumer Unit Kit

Hager | VME113SPD | Design Evo Consumer Unit Kit | Type 2 SPD | 13 Way | 9 RCBOs
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME113SPD/KIT/9RCBO
£201.29
Hager VME109SPD Consumer Unit Kit

Hager | VME109SPD | Design Evo Consumer Unit Kit | Type 2 SPD | 9 Way | 6 RCBOs
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: VME109SPD/KIT/6RCBO
£147.37
Live Electrical MFS125P 125A IP66 Interlocked Fused Switch

Live Electrical | MFS125P | 125A Metal Interlocked Fused Switch | IP66 | 3 Pole + Neutral
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: MFS125P
£118.80

Showing 1481–1500 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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