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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 961–980 of 2370 results

Live Electrical EN4040/200 IP65 Metal Enclosure, 400x400x200mm, steel construction with RAL7035 epoxy powder coat, includes galvanised mounting plate and polyurethane foamed gasket for watertight sealing.

Live Electrical EN4040/200 IP65 Metal Enclosure H:400 x W:400 x D:200mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EN4040/200
£53.79
Live Electrical CEV463B-030 4 Pole 63A 30mA Type B RCCBLive Electrical CEV463B-030 4 Pole 63A 30mA Type B RCCB 2

Live Electrical | CEV463B-030 | 4 Pole | Bi-Directional Type B RCD | 10kA | 30mA | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CEV463B-030
£109.00
WCED WMGU04/632 Metal Garage Consumer Unit - 63A Type A RCD 6A/32A B MCBs

WCED WMGU04/632 Metal Garage Consumer Unit – 63A Type A RCD 6A/32A B MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMGU04/632
Quantity Discount
Quantity Price
1 - 2 £25.30
3+ £24.67
5+ £24.04
10+ £23.40
£25.30
WCED WMMS/616 WCED Metal Garage Unit - 100A Main Switch 6A/16A B MCB 1

WCED Metal Garage Unit – 100A Main Switch 6A/16A B MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMMS/616
£20.04
Fusebox EV32A EV Charger Supply Unit 32A

Fusebox | EV32A | EV Charger Supply Unit | Type A RCBO | 32A
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: EV32A
£41.62
WCED WAC2P40 WCED 2 Pole 40A 2NO AC Contactor

WCED WAC2P40 – 2 Pole 40A 2NO 230V AC Modular Contactor
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC2P40
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
Live Electrical SA220 Live Electrical 2 Pole 10kA/20kA Type 2 Surge Protective Device

Live Electrical SA220 2 Pole 10kA/20kA Type 2 SPD Surge Protective Device
8 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: SA220
£15.95
WCED Double Pole Type A 30mA RCBO Curve C - 10A

WCED Double Pole Type A 30mA RCBO Curve C – 10A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WER10C-030
£16.80
WCED 4 Pole 63A 24V NC Normally Closed AC Modular Contactor

WCED WAC4P63NC/24 – 4 Pole 63A 4NC 24V AC Modular Contactor
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P63NC/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
FuseBox TPN12FB Fusebox TPN12FB 12 Way 125A Three Phase Board 1

Fusebox TPN12FB 12 Way 125A Three Phase Board
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: TPN12FB
£202.63
FuseBox MT10B251 FuseBox MT10B251 25A Single Pole 10kA B Curve MCB

FuseBox MT10B251 25A Single Pole 10kA B Curve MCB
20 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B251
£3.22
FuseBox RTA105030B 50A 10kA 30mA B Curve Type A RCBO

FuseBox | RTA105030B | 10kA | 30mA | Curve B | Type A RCBO | 50A
11 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA105030B
£15.99
FuseBox RTA102530C 25A 10kA 30mA C Curve Type A RCBO

FuseBox | RTA102530C | 10kA | 30mA | Curve C | Type A RCBO | 25A
15 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA102530C
£15.99
Live Electrical PEN4 Live Electrical 4 Way Plastic Enclosure

Live Electrical PEN4 4 Way Plastic Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: PEN4
£6.75
Surge Devices SY2-C40XENCM Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication & 3P 32A MCB in IP65 Polycarbonate Enclosure

Surge Devices SY3-C40X/ENCM Three Phase Type 2+3 SPD in Enclosure with MCB
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SY2-C40XENCM
£183.00
Surge Devices SPDPV600 SPD Type 2 600V DC for Solar/PV Installations

Surge Devices SPDPV600 Type 2 PV SPD for Solar Installations up to 600V
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: SPDPV600
Quantity Discount
Quantity Price
1 £77.49
2+ £75.94
3+ £75.17
£77.49
Surge Devices SPDPV1000 SPD Type 2 1000V DC for Solar/PV Installations

Surge Devices SPDPV1000 Type 2 SPD for Solar Panels up to 1000V
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SPDPV1000
Quantity Discount
Quantity Price
1 £90.00
2+ £88.20
3+ £87.30
£90.00
Hager ADC920R C20A Bidirectional RCBO

Hager | ADC920R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 20A
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADC920R
£19.70
Live Electrical LSGU63632 Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs

Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: LSGU63632
£32.84 £31.55
Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO - White

Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO – White
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: AGU5-SRTC/W
Quantity Discount
Quantity Price
1 - 2 £53.86
3+ £52.51
5+ £51.17
10+ £49.82
£53.86

Showing 961–980 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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