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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 361–380 of 2370 results

Niglon RCBO1-10/30SSAX 10A Curve B 30mA A Type RCBO

Niglon RCBO1-10/30SSAX 10A Curve B 30mA A Type RCBO
46 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-10/30SSAX
£11.12
WCED Whitecliffe WME5/HP4016S Heat Pump Consumer Unit

WCED | WME5/HP4016S | Heat Pump Consumer Unit | Type B HP RCD | C16 MCB | SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME5/HP4016S
Quantity Discount
Quantity Price
1 - 2 £117.23
3+ £112.54
5+ £107.85
£117.23
Live Electrical BUSBAR CAP RED Busbar Cap - Pack of 100

Busbar Cap – Pack of 100
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: BUSBAR CAP RED
£4.50
WCED 4 Pole 63A 24V NO Normally Open AC Modular Contactor

WCED WAC4P63/24 – 4 Pole 63A 4NO 24V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P63/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
FuseBox MT10C101 FuseBox MT10C101 10A Single Pole 10kA C Curve MCB

FuseBox MT10C101 10A Single Pole 10kA C Curve MCB
16 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C101
£3.22
WCED BBF2100 WCED 2 Pole 100A Busbar Forked Type - 13 Ways

WCED 2 Pole 100A Busbar Forked Type – 13 Ways
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: BBF2100
£9.80
Live Electrical LSMC8M-SP Live Electrical 5 Way SPD Metal Consumer Unit 1

Live Electrical 5 Way SPD Metal Consumer Unit
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC8M-SP
Quantity Discount
Quantity Price
1 £40.91
2+ £40.09
3+ £39.48
£40.91
WCED 3 Way Garage Metal SPD Consumer Unit with 6/32A RCBOs

WCED 3 Way Garage Metal SPD Consumer Unit with 6/32A RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME06/SP/G/632
£45.40
Live Electrical RKA116B-030 10kA Type A B Curve Compact 16A Bi-Directional RCBO

Live Electrical | RKA116B-030 | 1P+N | Bi-Directional RCBO | Type A | Curve B | 10kA | 30mA | 16A
16 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RKA116B-030
£11.59
Live Electrical LHFS125 3 Phase Switch FuseLive Electrical | LHFS125 | 3 Phase Metal Switch Fuse Box | 3 x 100A Fuses

Live Electrical | LHFS125 | 3 Phase Metal Switch Fuse Box | 3 x 100A Fuses
Out of Stock
This item cannot be back-ordered
SKU: LHFS125
£65.40
Read more
Hager VM03CE Hager VM03CE 30mm x 40mm Open Cable Entry Plate

Hager VM03CE 30mm x 40mm Open Cable Entry Plate
24 In Stock
This item cannot be back-ordered
SKU: VM03CE
£1.50
Live Electrical CB306C Live Electrical CB306C 3 Pole 6A 10kA MCB 1

Live Electrical | CB306C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 6A
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB306C
£8.37
Live Electrical TPN04-125 Live Electrical TPN04-125 125A 4 Way TPN Distribution Board 1

Live Electrical TPN04-125 125A 4 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN04-125
£87.35
Hager MTN140 MCB 6kA B-40

Hager MTN140 MCB 6kA B-40
6 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: MTN140
£2.45
Live Electrical CB316B Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB 1

Live Electrical | CB316B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 16A
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB316B
£8.37
Live Electrical MAC2P63 Live Electrical MAC2P63 63A Modular AC Contractor 2 Pole NO 1

Live Electrical MAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MAC2P63
£9.79
FuseBox MT06B101 10A MCB Curve B

FuseBox MT06B101 10A MCB Curve B
38 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B101
£1.95
Live Electrical AFDD - 20A

Live Electrical | AFD20B | AFDD with Type A RCBO | 6kA 30mA | B20
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: AFD20B
£66.14
WCED 7 Way SPD Metal Consumer Unit

WCED | WME10/SP | SPD Consumer Unit | 7 Way
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME10/SP
£38.67
WCED WRB106C-030 WCED Type A High Immunity Curve C 6A 30mA RCBO 1

WCED Type A High Immunity Curve C 6A 30mA RCBO
9 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRB106C-030
£9.00

Showing 361–380 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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