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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 561–580 of 2370 results

FuseBox ABTR16 Fusebox ABTR16 Bell Transformer 0.5A 16V 230V

Fusebox ABTR16 Bell Transformer 0.5A 16V 230V
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: ABTR16
£7.41
WCED 4 Pole 230/400V 20A NO Normally Open AC Modular Contactor

WCED WAC4P20 – 4 Pole 20A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P20
Quantity Discount
Quantity Price
1 - 2 £10.24
3+ £9.98
5+ £9.73
10+ £9.47
20+ £9.22
£10.24
Live Electrical RA206C-030 Live Electrical Double Pole Type A RCBO - Curve C - 6A 1

Live Electrical Double Pole Type A RCBO – Curve C – 6A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA206C-030
£13.99
WCED WMEPME12/LBK PME Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD 1

PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays Meter and SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME12/LBK
Quantity Discount
Quantity Price
1 £135.02
2+ £130.97
3+ £128.27
£135.02
FuseBox MT10C401 FuseBox MT10C401 40A Single Pole 10kA C Curve MCB

FuseBox MT10C401 40A Single Pole 10kA C Curve MCB
6 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C401
£3.22
FuseBox MT10D323 FuseBox MT10D323 32A Triple Pole 10kA D Curve MCB

FuseBox MT10D323 32A Triple Pole 10kA D Curve MCB
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: MT10D323
£9.51
Fused Main Switch with Time Delayed RCD

WCED WFMSRT00-3F Fused Main Switch with Time Delayed RCD
Out of Stock
Expected back in stock - end of May
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SKU: WFMSRT00-3F
£45.50
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WCED Consumer Unit Kit with SPD and 15 RCBOs

WCED Consumer Unit Kit with SPD and 15 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME22/SP/15RCBO
£175.11
Niglon NSA2-240 Type 2 Surge Protection Kit with Cables

Niglon NSA2-240 Type 2 Surge Protection Kit with Cables
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: NSA2-240
£24.04
Fusebox RTA1001002S 2 Pole 100A 100mA Type A RCD - "S" Time Delayed

Fusebox RTA1001002S 2 Pole 100A 100mA Type A RCD – “S” Time Delayed
11 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTA1001002S
£37.62
Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar

Live Electrical EV440SP-BP IP65 EV Consumer Unit B40 RCBO + Type 2 SPD + Busbar
21 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: EV440SP-BP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
Switchtec CURDP2 20 Way Consumer Unit Relocation Kit

Switchtec | CURDP2 | 20 Way Consumer Unit Relocation Kit | 60 DIN Terminals Push-In | 2.5–10mm
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: CURDP2
£99.99
Hager NCN332A 3 Pole MCB Type C 32A 10kA

Hager NCN332A 3 Pole MCB Type C 32A 10kA
5 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NCN332A
£38.05
Fusebox AFMF18 18 Module Flush Mounting Frame Kit

Fusebox AFMF18 18 Module Flush Mounting Frame Kit
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AFMF18
£15.70
Live Electrical EN3030/200 IP65 Metal Enclosure, 300x300x200mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

Live Electrical EN3030/200 IP65 Metal Enclosure H:300 x W:300 x D:200mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: EN3030/200
£37.29
Live Electrical CEV440B-030 4 Pole 40A 30mA Type B RCCBLive Electrical CEV440B-030 4 Pole 40A 30mA Type B RCCB 2

Live Electrical | CEV440B-030 | 4 Pole | Bi-Directional Type B RCD | 10kA | 30mA | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: CEV440B-030
£109.00
Live Electrical RDA463-030 4 Pole Type A 63A 30mA RCD

Live Electrical | RDA463-030 | 4 Pole | Bi-Directional Type A RCD | 30mA | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA463-030
£22.50
WCED WRB140C-030 WCED Type A High Immunity Curve C 40A 30mA RCBO 1

WCED Type A High Immunity Curve C 40A 30mA RCBO
15 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRB140C-030
£9.00
FuseBox RTA1001004S FuseBox RTA1001004S 4P Type A RCD 100A 100mA

FuseBox RTA1001004S 4P Type A RCD 100A 100mA
1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA1001004S
£29.04
Surge Devices LSPDPV1000 SPD Type 1 & 2 1000V DC SPD for Solar/PV Installations

Surge Devices LSPDPV1000 Type 1+2 SPD for 1000V PV Solar Panels
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: LSPDPV1000
Quantity Discount
Quantity Price
1 £180.00
2+ £176.40
3+ £174.60
£180.00

Showing 561–580 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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Expected back in stock – end of May

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