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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 301–320 of 2370 results

FuseBox A65E06MWH IP65 6 Way Metal Enclosure – White

FuseBox A65E06MWH IP65 6 Way Metal Enclosure – White
22 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: A65E06MWH
£41.54
Live Electrical SAMODKIT240 Live Electrical SPD Kit SA240 Type 2

Live Electrical SA240 SPD Type 2 Kit
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SAMODKIT240
£25.90
Live Electrical TPN10-125S Live Electrical 125 Amp 10 Way TPN Distribution Board with SPD 1

Live Electrical TPN10-125S 125 Amp 10 Way TPN Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN10-125S
£162.50
FuseBox RTAMC40 40A Mini Type A RCBO

FuseBox RTAMC40 40A Mini Type A RCBO
33 In Stock
This item cannot be back-ordered
SKU: RTAMC40
£13.50 £12.49
WCED 5 Way SPD Metal Consumer Unit

WCED | WME08/SP | SPD Consumer Unit | 5 Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME08/SP
£38.01
WCED WAC2P125 WCED 2 Pole 125A 2NO AC Contactor

WCED WAC2P125 – 2 Pole 125A 2NO 230V AC Modular Contactor
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC2P125
Quantity Discount
Quantity Price
1 - 2 £32.13
3+ £31.33
5+ £30.52
10+ £29.72
20+ £28.92
£32.13
WCED IP65 Metal EV Protection Unit WMIP40CSPWCED | WMIP40CSP | IP65 Metal EV Protection Unit | Type A 40A C Curve RCBO & Type 2 SPD

WCED | WMIP40CSP | IP65 Metal EV Protection Unit | Type A 40A C Curve RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMIP40CSP
Quantity Discount
Quantity Price
1 £44.78
2+ £43.88
3+ £42.54
5+ £41.42
10+ £40.30
£44.78
Live Electrical MMGU05-SR Live Electrical MMGU05-SR SPD Garage/EV Consumer Unit with 40A RCBO 1

Live Electrical MMGU05-SR SPD Garage/EV Consumer Unit with 40A RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MMGU05-SR
£41.98
Live Electrical 10kA RCBO 32A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 32A Curve C Type A 30mA 1P+N
2 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RA132C-030
£10.99
Hager KRN190 Neutral Connecting Block 100A

Hager KRN190 Neutral Connecting Block 100A
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: KRN190
£10.60
Live Electrical CB340B Live Electrical CB340B 3 Pole 40A B Curve 10kA MCB 1

Live Electrical | CB340B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 40A
9 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB340B
£8.37
Envirograf SCUB3 Envirograf SCUB3 Intumescent Strip for Metal Consumer Units - 150x100mm 1

Envirograf SCUB3 Intumescent Strip for Metal Consumer Units – 150x100mm
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SCUB3
£4.36
Live Electrical RNA40C-030 RCBO A Type DP Bi-Directional 40A C Curve 30mA

Live Electrical RNA40C-030 RCBO A Type DP Bi-Directional 40A C Curve 30mA
27 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RNA40C-030
£10.43
FuseBox MT10C161 FuseBox MT10C161 16A Single Pole 10kA C Curve MCB

FuseBox MT10C161 16A Single Pole 10kA C Curve MCB
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C161
£3.22
WCED WIS2100 100A 2P Double Screw Terminal Main Switch

WCED WIS2100 100A 2P Double Screw Terminal Main Switch
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WIS2100
£7.25
Live Electrical LSMC12M-SP Live Electrical 9 Way SPD Metal Consumer Unit 1

Live Electrical 9 Way SPD Metal Consumer Unit
17 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC12M-SP
Quantity Discount
Quantity Price
1 £44.55
2+ £43.66
3+ £42.99
£44.55
Live Electrical 19 Way SPD Metal Consumer Unit Kit c/w 15 RCBOs

Live Electrical 19 Way SPD Metal Consumer Unit Kit c/w 15 RCBOs
In Stock
SKU: LSMC22M-SP/15RCBO
£178.36
Live Electrical WI3P20A - Waterproof Isolator Switch 3 Pole 20 A

Live Electrical WI3P20A – Waterproof Isolator Switch 3 Pole 20 A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WI3P20A
£7.50
Hager ADA106U RCBO 10kA B-6A 30mA Type A

Hager ADA106U RCBO 10kA B-6A 30mA Type A
7 In Stock
This item cannot be back-ordered
SKU: ADA106U
£30.99
FuseBox MT06C061 6A MCB Curve C

FuseBox MT06C061 6A MCB Curve C
41 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT06C061
£1.95

Showing 301–320 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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