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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 401–420 of 2370 results

Live Electrical LSMC08 8 Module Metal Enclosure

Live Electrical LSMC08 8 Module Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC08
£26.44
Unicrimp QGT10B Grommet Strip Edge Roll - 5mm x 8mm x 10m (Black)

Unicrimp QGT10B Grommet Strip Edge Roll – 5mm x 8mm x 10m (Black)
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: QGT10B
£7.90
FuseBox F3021MZ SPD Consumer UnitAngled view of the FuseBox F2021MX consumer unit with no front cover, showing internal layout

FuseBox F3021MZ 21 Way RCBO Consumer Unit With SPD
14 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3021MZ
Quantity Discount
Quantity Price
1 - 3 £67.95
4+ £65.57
£67.95
PJW Meters SW150-12MM-STEEL SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire

SW100-STEEL & SW100-12MM-STEEL Sealing Ferrules with Galvanised Wire
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: SW150-12MM-STEEL
£21.00
Garo DCBOGRC16 30mA Type A Compact RCBO 16A C Curve

Garo DCBOGRC16 30mA Type A Compact RCBO 16A C Curve
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: DCBOGRC16
£10.99
Live Electrical MS4100 4 Pole 100A Main Switch

Live Electrical MS4100 4 Pole 100A Main Switch
7 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MS4100
£9.07
Live Electrical EN10080/300 Live Electrical Metal Enclosure IP65 H:1000 x W:800 x D:300mm 1Live Electrical EN10080/300 Live Electrical Metal Enclosure IP65 H:1000 x W:800 x D:300mm 2

Live Electrical Metal Enclosure IP65 H:1000 x W:800 x D:300mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EN10080/300
£258.39
WCED WMC150B WCED Miniature Circuit Breaker 6kA Curve B - 50A 1

WCED | WMC150B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 50A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMC150B
£1.37
Live Electrical RA240C-030 Live Electrical Double Pole Type A RCBO - Curve C - 40A 1

Live Electrical Double Pole Type A RCBO – Curve C – 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA240C-030
£13.99
FuseBox AMBP Module Blanks 12 Pack

FuseBox AMBP Module Blanks 12 Pack
38 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AMBP
£0.90
FuseBox RTA064530B 30mA Curve B 45A Type A RCBO

FuseBox | RTA064530B | 6kA | 30mA | Curve B | Type A RCBO | 45A
77 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA064530B
£9.99
WCED Consumer Unit Kit with SPD and 5 RCBOs

WCED Consumer Unit Kit with SPD and 5 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME10/SP/5RCBO
£79.33
FuseBox RTAMB10BD Bi-Directional RCBO 10Abidirectional rcbo

FuseBox | RTAMB10BD | 30mA | Curve B | Type A Bi-Directional Mini RCBO | 10A
55 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMB10BD
£14.34
TPNH02-100 Horizontal TP&N Distribution BoardLive Electrical TPNH02-100 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch 2

Live Electrical | TPNH02-100 | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole Main Switch
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: TPNH02-100
£45.53
Live Electrical RDA440-030 4 Pole Type A 40A 30mA RCD

Live Electrical | RDA440-030 | 4 Pole | Bi-Directional Type A RCD | 6kA | 30mA | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA440-030
£22.50
WCED WAC2P32 WCED 2 Pole 32A 2NO AC Contactor

WCED WAC2P32 – 2 Pole 32A 2NO 230V AC Modular Contactor
3 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WAC2P32
Quantity Discount
Quantity Price
1 - 2 £6.22
3+ £6.06
5+ £5.91
10+ £5.75
20+ £5.60
£6.22
WCED WMEV232B WCED A-Type Electric Vehicle 2 Module Enclosure - 32A RCBO B Curve 1

WCED A-Type Electric Vehicle 2 Module Enclosure – 32A RCBO B Curve
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEV232B
£25.99
Live Electrical SC440 4 Pole 20kA/40kA Type 2 SPD Surge Protective Device

Live Electrical SC440 4 Pole 20kA/40kA Type 2 SPD Surge Protective Device
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: SC440
£37.55
Fusebox TPN15FBX

Fusebox TPN15FBX 15 Way 125A Three Phase Board
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: TPN15FBX
£264.48
Live Electrical Double Pole 63A Copper Busbar 1m 10mm² 108 Pin

Live Electrical Double Pole 63A Copper Busbar 1m 10mm² 108 Pin
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: DPN63A
£8.85

Showing 401–420 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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