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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 741–760 of 2370 results

Hager SBN240 Hager SBN240 40A Double Pole Isolator

Hager SBN240 40A Double Pole Isolator
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SBN240
£28.88
FuseBox INC402 NO Normally Open 2 Pole Modular Contactor 40A 230V

FuseBox INC402 – 2 Pole 40A 2NO 230V AC Modular Contactor
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: INC402
£10.89
WCED WPGU04/620 Plastic IP65 Garage Consumer Unit - 63A Type A RCD 6A/20A B MCBs

WCED WPGU04/620 Plastic IP65 Garage Consumer Unit – 63A Type A RCD 6A/20A B MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPGU04/620
Quantity Discount
Quantity Price
1 - 2 £22.15
3+ £21.60
5+ £21.04
10+ £20.49
£22.15
Live Electrical SA420 Live Electrical 4 Pole 10kA/20kA Type 2 Surge Protective Device

Live Electrical SA420 4 Pole 10kA/20kA Type 2 Surge Protective Device
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: SA420
£31.55
FuseBox TPNEBFB FuseBox TPNEBFB 14 Way TPN Extension Board 1

FuseBox TPNEBFB 14 Way TPN Extension Board
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: TPNEBFB
£82.30
FuseBox RTA105030C 50A Single Pole Type A C Curve RCBO

FuseBox | RTA105030C | 10kA | 30mA | Curve C | Type A RCBO | 50A
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA105030C
£15.99
Fusebox RTA1003004 100A 4 Pole 300mA Type A RCD

Fusebox RTA1003004 100A 4 Pole 300mA Type A RCD
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: RTA1003004
£27.29
Live Electrical PEN2 2 Way Plastic Enclosure

Live Electrical PEN2 2 Way Plastic Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: PEN2
£5.05
Surge Devices SY12350KA4P/ENCM Surge Devices Type 1+2+3 50kA 3 Phase Lightning and Surge Arrester with Window Indication & 3P 63A MCB in IP65 Polycarbonate Enclosure

Surge Devices SY12350KA4P/ENCM Type 1+2+3 50kA 3 Phase Lightning and Surge Arrester with MCB in IP65 Enclosure
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SY12350KA4P/ENCM
£348.00
Live Electrical LSMC6M-SP Live Electrical 3 Way SPD Metal Consumer Unit 1

Live Electrical 3 Way SPD Metal Consumer Unit
21 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC6M-SP
Quantity Discount
Quantity Price
1 £39.65
2+ £38.86
3+ £38.26
£39.65
Live Electrical CZ380C 3P 80A MCB 10kA Curve C

Live Electrical | CZ380C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 80A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CZ380C
£19.31
Live Electrical LSMC10 10 Module Metal Enclosure

Live Electrical LSMC10 10 Module Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC10
£28.58
Live Electrical LSMC14 14 Module Metal Enclosure

Live Electrical LSMC14 14 Module Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC14
£34.32
Live Electrical FMC10M-SP 7 Way Flush SPD Metal Consumer Unit

Live Electrical FMC10M-SP 7 Way Flush SPD Metal Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FMC10M-SP
£61.58
Gewiss GW70443P 40A 4-Pole IP66/IP67/IP69 Rotary Isolator Switch

Gewiss GW70443P 40A 4-Pole IP66/IP67/IP69 Rotary Isolator Switch
2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: GW70443P
£20.87
Niglon PRCB01C1-06 1P + Neutral 6A Curve C Bi-Directional 10kA RCBO

Niglon PRCBO10C1-06 1P + Neutral 6A Curve C Bi-Directional 10kA RCBO
1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: PRCBO10C1-06
£19.21
Garo DSV2100 100A Double Pole Main Switch

Garo DSV2100 100A Double Pole Main Switch
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DSV2100
£4.50
FuseBox R3PN10C3230BD Curve C 3 Phase 32A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10C3230BD | 10kA | 30mA | Curve C | 3P+N Bi-Directional RCBO | 32A
3 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: R3PN10C3230BD
£64.72
Hager VMES02SPD Consumer Unit SPD

Hager VMES02SPD | Single Module Type 2 Consumer Unit SPD
14 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: VMES02SPD
£28.20
Garo SIAC432IP65C 32A 4P IP65 Rotary Isolator Switch

Garo | SIAC432IP65C | 32A 4P IP65 | Compact Rotary Isolator Switch
26 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: SIAC432IP65C
£13.69

Showing 741–760 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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