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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 Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 681–700 of 2370 results

Wago 788-512 Wago 788 Relay Module with 2 Changeover Contacts - 24V AC 8A 2.5 mm² Grey 1

Wago 788-512 Relay Module with 2 Changeover Contacts – 24V AC 8A 2.5mm² Grey
8 In Stock
More available within:
Usually 3 - 5 Working Days
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SKU: 788-512
£8.82
FuseBox MT10D161 FuseBox MT10D161 16A Single Pole 10kA D Curve MCB

FuseBox MT10D161 16A Single Pole 10kA D Curve MCB
25 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10D161
£3.22
FuseBox RTA104030C 40A 10kA 30mA C Curve Type A RCBO

FuseBox | RTA104030C | 10kA | 30mA | Curve C | Type A RCBO | 40A
30 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA104030C
£15.99
FuseBox RTA1000304 Fusebox RTA1000304 100A 4 Pole 30MA Type A RCD

Fusebox RTA1000304 100A 4 Pole 30mA Type A RCD
4 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA1000304
£27.29
Live Electrical TPN14-125S Live Electrical 125 Amp 14 Way TPN Distribution Board with SPD 1

Live Electrical TPN14-125S 125 Amp 14 Way TPN Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN14-125S
£207.58
PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD

PME / PEN Fault Detection Unit with Load Management 12 Mod c/w C40 RCBO Relays and SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME12/LB
Quantity Discount
Quantity Price
1 £134.40
2+ £130.37
3+ £127.68
£134.40
Hager ADC906R C6A Bidirectional RCBOHager ADC906R C6A Bidirectional RCBO

Hager | ADC906R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 6A
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADC906R
£19.70
5 Way IP65 Metal Enclosure

5 Way IP65 Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMIP5/G
Quantity Discount
Quantity Price
1 - 4 £22.06
5+ £21.51
10+ £20.96
20+ £20.41
£22.06
Live Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type ALive Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type A 2

Live Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type A
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MMGU32C-SP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
Hager ADA990UHager ADA990U 1P+N 6kA C-40A 30mA Type A

Hager ADA990U 1P+N 6kA C-40A 30mA Type A
5 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADA990U
£26.34
Live Electrical 3P+N 16A B Curve 30mA Type A RCBO

Live Electrical 3P+N 16A B Curve 30mA Type A RCBO
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTN316B-030N
£45.15
Live Electrical RNA32B-030 RCBO A Type DP Bi-Directional 32A B Curve 30mA

Live Electrical RNA32B-030 RCBO A Type DP Bi-Directional 32A B Curve 30mA
15 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RNA32B-030
£10.43
Live Electrical MDAC2P25/24V 2 Pole 25A 2NO AC Contactor/24V DC Coil

Live Electrical MDAC2P25/24V – 2 Pole 25A 2NO 24V DC Coil Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MDAC2P25/24V
£19.00
Niglon RCBO1-16/30SAX2 16A RCBO – Compact, Bi-Directional, Type A, Curve B, 30mA, 6kA RCBO.

Niglon RCBO1-16/30SAX2 16A Curve B 30mA Bi-Directional A Type RCBO
9 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-16/30SAX2
£12.78
Niglon RCBO1-40/30SAX2 40A RCBO – Type A, Curve B, 30mA, Bi-Directional, 6kA, Compact RCBO for high-load circuits.

Niglon RCBO1-40/30SAX2 40A Curve B 30mA Bi-Directional A Type RCBO
10 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: RCBO1-40/30SAX2
£12.78
Live Electrical 10kA RCBO 50A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 50A Curve C Type A 30mA 1P+N
8 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: RA150C-030
£13.25
FuseBox F3008M 8 Way RCBO Consumer Unit

FuseBox F3008M 8 Way RCBO Consumer Unit
8 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3008M
£30.83
PVC Trunking (50x50mm) for FuseBox F3011MZ / F3012M Consumer Unit

PVC Trunking (50x50mm) for FuseBox F3011MZ / F3012M Consumer Unit
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MAK50/50/F3011MZ
£7.50
WCED 2 Pole 63A 30mA Type A RCD

WCED | WAR263-030 | Bi-Directional | Type A RCD | 2 Pole | 63A | 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAR263-030
Quantity Discount
Quantity Price
1 £13.87
2+ £13.45
3+ £13.18
£13.87
Switchtec SMC-2520-12VDC 25A Contactor

Switchtec SMC-2520-12VDC 25A Contactor – 2NO 12V DC Coil
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: SMC-2520-12VDC
£17.94

Showing 681–700 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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