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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 321–340 of 2370 results

WCED 3 Way SPD Metal Consumer Unit

WCED | WME06/SP | SPD Consumer Unit | 3 Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME06/SP
£32.34
Live Electrical CS3P20 Live Electrical 3 Pole 20A Changeover Switch 1

Live Electrical CS3P20 3 Pole 20A Changeover Switch
3 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CS3P20
£17.90
Live Electrical RNC20B-30N – 20A Double Pole Single Module RCBO

Live Electrical | RNC120B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 20A
117 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RNC120B-030N
£9.75
Hager JKLABELPACK Spare Label Pack - All Sizes (One Pack)

Hager JKLABELPACK Spare Label Pack – All Sizes (One Pack)
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: JKLABELPACK
£7.95
Live Electrical CB320D Live Electrical CB320D 3 Pole 20A D Curve 10kA MCB 1

Live Electrical | CB320D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 20A
14 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB320D
£8.37
Fusebox SCO125 125A Changeover Switch

Fusebox SCO125 125A Changeover Switch
3 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: SCO125
£44.90
WCED Consumer Unit Kit with SPD and 7 RCBOs

WCED Consumer Unit Kit with SPD and 7 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME10/SP/7RCBO
£95.11
Live Electrical AMR116C-030 30mA Type A 6kA C Curve 16A Bi-Directional RCBO

Live Electrical | AMR116C-030 | 6kA 30mA | Type A C Curve | Bi-Directional RCBO | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AMR116C-030
£8.66
Live Electrical RKA132B-030 10kA Type A B Curve Compact 32A Bi-Directional RCBO

Live Electrical | RKA132B-030 | 1P+N | Bi-Directional RCBO | Type A | Curve B | 10kA | 30mA | 32A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RKA132B-030
£11.59
WCED 2 Pole 100A 100mA Time Delay Type A RCD

WCED | WARTD2100-100 | Bi-Directional | Time Delay Type A RCD | 2 Pole | 100A | 100mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WARTD2100-100
Quantity Discount
Quantity Price
1 £36.14
2+ £35.06
3+ £34.33
£36.14
Live Electrical CB350C Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB 1

Live Electrical | CB350C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 50A
14 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB350C
£9.07
FuseBox MT06B631 63A MCB Curve B

FuseBox MT06B631 63A MCB Curve B
48 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B631
£2.90
Live Electrical TPN12-125S Live Electrical 125 Amp 12 Way TPN Distribution Board with SPD 1

Live Electrical TPN12-125S 125 Amp 12 Way TPN Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN12-125S
£182.59
Live Electrical DCM225C 2 Pole C Curve 6kA 25A 600V DC MCB

Live Electrical DCM225C 2 Pole C Curve 6kA 25A 600V DC MCB
24 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: DCM225C
£9.50
WCED WKC116C 10kA 1 Pole MCB Curve C 16A

WCED | WKC116C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 16A
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC116C
£2.96
WCED WKC106B 10kA 1 Pole MCB Curve B 6A

WCED | WKC106B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 6A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC106B
£2.96
WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD

WCED WFD132B-030 Bi-Directional Type A 30mA B Curve 32A AFDD
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WFD132B-030
Quantity Discount
Quantity Price
1 - 2 £61.99
3+ £59.51
5+ £57.65
£61.99
Live Electrical RI463 63A Weatherproof Rotary Isolator Switch 4 Pole 1

Live Electrical RI463 4 Pole 63A IP65 Rotary Isolator Switch
6 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: RI463
£17.99
Fusebox F100GRA Garage Consumer Unit 63A 1

Fusebox F100GRA Garage 63A RCD Consumer Unit
1 In Stock
This item cannot be back-ordered
SKU: F100GRA
£28.42
FuseBox ACCF Fusebox ACCF Tail Clamp

Fusebox ACCF Tail Clamp
22 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: ACCF
£1.95

Showing 321–340 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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