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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 421–440 of 2370 results

Garo SIAC432IP65 32A 4P IP65 Rotary Isolator Switch

Garo | SIAC432IP65 | 32A 4P IP65 | Rotary Isolator Switch
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SIAC432IP65
£14.76
Live Electrical CB350B Live Electrical CB350B 3 Pole 50A B Curve 10kA MCB 1

Live Electrical | CB350B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 50A
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB350B
£9.07
FuseBox MAFDD061630B 16A 30mA Mini AFDD

FuseBox | MAFDD061630B| 6kA | 30mA | 16A Mini AFDD
2 In Stock
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Usually 2 - 3 Working Days
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SKU: MAFDD061630B
£79.99
Live Electrical ENC865 Live Electrical 8 Way Plastic Enclosure IP65

Live Electrical ENC865 IP65 8 Way Plastic Enclosure
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: ENC865
£16.65
WCED WEV263B-030 WCED 2 Pole 63A 30mA Type B RCD

WCED | WEV263B-030 | Bi-Directional | B Type RCD | 2 Pole | 63A | 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WEV263B-030
Quantity Discount
Quantity Price
1 £99.19
2+ £96.21
3+ £94.23
£99.19
WCED BBF1100 WCED 1 Pole 100A Busbar Forked Typ 18 ways

WCED 1 Pole 100A Busbar Forked Typ 18 ways
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: BBF1100
£8.58
FuseBox SF0100T2 100A Fused Switch with T2 SPD

FuseBox SF0100T2 100A Fused Switch with T2 SPD
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SF0100T2
£104.40
Garo GS8EV40CPME EV Consumer Unit with PEN Fault Detection | C40A RCBO Type A + SPD

Garo GS8EV40CPME EV Consumer Unit with PEN Fault Detection | C40A RCBO Type A + SPD
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GS8EV40CPME
£115.00
Live Electrical TPN06-125 Live Electrical TPN06-125 125A 6 Way TPN Distribution Board 1

Live Electrical TPN06-125 125A 6 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN06-125
£97.91
Live Electrical RC140C-030 Live 30mA 40A RCBO 10kA Curve C Type AC 1

Live 30mA 40A RCBO 10kA Curve C Type AC
8 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RC140C-030
£10.99 £5.99
Live Electrical CB106D Live Electrical CB106D 6A Curve D 10kA MCB 1

Live Electrical | CB106D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 6A
18 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB106D
£2.95
Live Electrical CB120D Live Electrical CB120D 20A Curve D 10kA MCB 1

Live Electrical | CB120D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 20A
21 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB120D
£2.95
WCED Double Pole Type A 30mA RCBO Curve C - 6A

WCED Double Pole Type A 30mA RCBO Curve C – 6A
10 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WER06C-030
£15.09
WCED Double Pole Type A 30mA RCBO Curve B - 20A

WCED Double Pole Type A 30mA RCBO Curve B – 20A
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WER20B-030
£15.09
FuseBox RTA0630304 Fusebox RTA0630304 63A 4 Pole 30MA Type A RCD

Fusebox RTA0630304 63A 4 Pole 30mA Type A RCD
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA0630304
£21.78
Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO

Niglon RCBO1-40/30SSAX 40A Curve B 30mA A Type RCBO
52 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-40/30SSAX
£11.12
Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator

Fusebox E2PMSH 2 Pole IP20 100A Main Switch Meter Isolator
18 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: E2PMSH
£13.54
Garo SIAC440IP65 40A 4P IP65 Rotary Isolator Switch

Garo | SIAC440IP65 | 40A 4P | IP65 Rotary Isolator Switch
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SIAC440IP65
£17.91
Hager MTN110 MCB 6kA B-10

Hager MTN110 MCB 6kA B-10
17 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: MTN110
£2.45
WCED Fused Main Switch with 80 and 100A Fuses

WCED Fused Main Switch with 80 and 100A Fuses
19 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WFIS100
£12.49

Showing 421–440 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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