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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 921–940 of 2370 results

Live Electrical MDAC2P20/24V 2 Pole 20A 2NO AC Contactor/24V DC Coil

Live Electrical MDAC2P20/24V – 2 Pole 20A 2NO 24V DC Coil Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MDAC2P20/24V
£19.60
Live Electrical FMC8M-SP 5 Way Flush SPD Metal Consumer Unit

Live Electrical FMC6M-SP 3 Way Flush SPD Metal Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FMC6M-SP
£54.82
Live Electrical LSMC18/100 100A Main Switch 16 Way Consumer Unit

Live Electrical LSMC18/100 100A Main Switch 16 Way Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC18/100
£37.50
matt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A RCBO & PEN Fault Protectionmatt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A RCBO & PEN Fault Protection

matt:e SP-EVCP-R Single-Phase EV Consumer Unit with Type A C32 RCBO & PEN Fault Protection
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SP-EVCP-R
£180.31
Niglon RCBO1-25/30SAX2 25A RCBO – Bi-Directional, Type A, Curve B, 30mA, Compact 18mm, 6kA Rated.

Niglon RCBO1-25/30SAX2 25A Curve B 30mA Bi-Directional A Type RCBO
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-25/30SAX2
£12.78
Niglon PCU1412M Protego 100A Twin Screw Main Switch 12 Way Metal Consumer Unit

Niglon PCU1412M Protego 100A Twin Screw Main Switch 12 Way Metal Consumer Unit
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PCU1412M
£41.96
Niglon PCU1816M Protego 100A Twin Screw Main Switch 16 Way Metal Consumer Unit

Niglon PCU1816M Protego 100A Twin Screw Main Switch 16 Way Metal Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PCU1816M
£46.98
Niglon PRCB01B1-06 1P + Neutral 6A Curve B Bi-Directional 10kA RCBO

Niglon PRCBO10B1-06 1P + Neutral 6A Curve B Bi-Directional 10kA RCBO
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PRCBO10B1-06
£19.21
Niglon PRCB01B1-16 1P + Neutral 16A Curve B Bi-Directional 10kA RCBO

Niglon PRCBO10B1-16 1P + Neutral 16A Curve B Bi-Directional 10kA RCBO
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PRCBO10B1-16
£19.21
Niglon PRCB01B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO

Niglon PRCBO10B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PRCBO10B1-50
£19.21
Niglon DOST Delay On Single Function DIN Rail Mounted Timer

Niglon DOST Delay On Single Function DIN Rail Mounted Timer
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DOST
£19.88
FuseBox F3012M 12 Way RCBO Consumer Unit

FuseBox F3012M 12 Way RCBO Consumer Unit
10 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3012M
£34.54
Fusebox RFT800302 Type F 80A 30mA RCD

Fusebox RFT800302 Type F 80A 30mA RCD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RFT800302
£52.00
FuseBox F3021MZ Bi Directional SPD Consumer Unit Kit – with 15 RCBOs

FuseBox F3021MZ Bi Directional SPD Consumer Unit Kit – with 15 RCBOs
In Stock
SKU: F3021MZ/BD/KIT/15
£289.93 £285.67
Live Electrical RKA140C-030 10kA Type A C Curve Compact 40A Bi-Directional RCBO

Live Electrical | RKA140C-030 | 1P+N | Bi-Directional RCBO | Type A | Curve C | 10kA | 30mA | 40A
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RKA140C-030
£11.59
Garo DCBGR100A MCB Type Terminal Block 100A

Garo DCBGR100A MCB Type Terminal Block 100A
13 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DCBGR100A
£2.50
WCED 4 Pole 63A 100mA Time Delay Type A RCD

WCED | WARTD463-100 | Bi-Directional | Time Delay Type A RCD | 4 Pole | 63A | 100mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WARTD463-100
Quantity Discount
Quantity Price
1 £34.56
2+ £33.52
3+ £32.83
£34.56
Garo DCBOGRB20-BI Bi-Directional RCBO

Garo DCBOGRB20-BI 30mA Bi-Directional Type A Compact RCBO 20A B Curve
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DCBOGRB20-BI
£14.99
WCED 2 Pole 40A 30mA Type A RCD

WCED | WAR240-030 | Bi-Directional | Type A RCD | 2 Pole | 40A | 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WAR240-030
Quantity Discount
Quantity Price
1 £13.87
2+ £13.45
3+ £13.18
£13.87
Garo GP4100M 4 Pole 100A Meter Supply Isolator

Garo GP4100M 4 Pole 100A Meter Supply Isolator
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GP4100M
£15.17

Showing 921–940 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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