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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)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 801–820 of 2370 results

FuseBox INC634 63A 4 Pole 230V NO Normally Open AC Modular Contactor

FuseBox INC634 – 4 Pole 63A 4NO 230V AC Modular Contactor
7 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: INC634
£15.40
WCED WME22 WCED 22 Way Metal Enclosure 1

WCED 22 Way Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME22
Quantity Discount
Quantity Price
1 - 4 £34.39
5+ £33.53
10+ £32.67
20+ £31.81
£34.39
WCED WMC110B WCED Miniature Circuit Breaker 6kA Curve B - 10A 1

WCED | WMC110B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 10A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMC110B
£1.53
Fusebox FMS080 80A Main Switch Fused

Fusebox FMS080 80A Main Switch Fused
6 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: FMS080
£14.95
Live Electrical CS3P25 Live Electrical 3 Pole 25A Changeover Switch 1

Live Electrical CS3P25 3 Pole 25A Changeover Switch
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CS3P25
£23.90
WCED 4 Pole 25A 24V NO Normally Open AC Modular Contactor

WCED WAC4P25/24 – 4 Pole 25A 4NO 24V AC Modular Contactor
10 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P25/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
FuseBox MT10B101 FuseBox MT10B101 10A Single Pole 10kA B Curve MCB

FuseBox MT10B101 10A Single Pole 10kA B Curve MCB
21 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B101
£3.22
FuseBox MT10B401 FuseBox MT10B401 40A Single Pole 10kA B Curve MCB

FuseBox MT10B401 40A Single Pole 10kA B Curve MCB
15 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B401
£3.22
FuseBox MT10C062 FuseBox MT10C062 6A Double Pole 10kA C Curve MCB

FuseBox MT10C062 6A Double Pole 10kA C Curve MCB
11 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C062
£6.68
FuseBox MT10C063 FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB

FuseBox MT10C063 6A Triple Pole 10kA C Curve MCB
16 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C063
£9.51
FuseBox RTA102530B 25A 30mA 10kA B Curve Type A RCBO

FuseBox | RTA102530B | 10kA | 30mA | Curve B | Type A RCBO | 25A
8 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA102530B
£15.99
FuseBox IT1003U Fusebox IT1003U 100A 3 Pole Din Rail Connector

Fusebox IT1003U 100A 3 Pole Din Rail Connector
6 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: IT1003U
£16.19
Live Electrical RDA4100-030 4 Pole Type A 100A 30mA RCD

Live Electrical | RDA4100-030 | 4 Pole | Bi-Directional Type A RCD | 6kA | 30mA | 100A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA4100-030
£20.99
Surge Devices SY2-C40XENC Surge Devices Type 2 20kA/40kA 3 Phase SPD with Window Indication in IP65 Polycarbonate Enclosure

Surge Devices SY3-C40X/ENC Three Phase Surge Protection Device – Type 2+3 SPD in IP65 Enclosure
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SY2-C40XENC
£162.00
Surge Devices SY2-C40XLEDENCM Surge Devices Type 2 20kA/40kA 3 Phase SPD with LED Indication & 3P 32A MCB in IP65 Polycarbonate Enclosure

Surge Devices SY2-C40XLED/ENCM Type 2+3 Three Phase SPD in Enclosure with MCB
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SY2-C40XLEDENCM
£183.00
Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB

Live Electrical DCM210C 2 Pole C Curve 6kA 10A 600V DC MCB
3 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: DCM210C
£9.50
WCED IP65 Metal EV Protection Unit WMIP32CSPWCED | WMIP32CSP | IP65 Metal EV Protection Unit | Type A 32A C Curve RCBO & Type 2 SPD

WCED | WMIP32CSP | IP65 Metal EV Protection Unit | Type A 32A C Curve RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMIP32CSP
Quantity Discount
Quantity Price
1 £44.78
2+ £43.88
3+ £42.54
5+ £41.42
10+ £40.30
£44.78
G-ProKit COMPAC-MET-100A-3PHASE G-ProBox 100A Three-Phase Compact Check Meter 1

G-ProBox 100A Three-Phase Compact Check Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: COMPAC-MET-100A-3PHASE
£80.93
Hager ADB450G Hager ADB450G 30mA Curve B 6kA 50A Type A 1M 1P RCBO

Hager | ADB450G | 1P+N | 6kA | 30mA | B Curve | Type A RCBO | 50A
7 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: ADB450G
£13.55
FuseBox RTF250302 Type F RCD 25A 30mA 2P

FuseBox RTF250302 Type F RCD 25A 30mA 2P
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: RTF250302
£42.25

Showing 801–820 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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