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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 781–800 of 2370 results

WT2M Rail Mounted Digital Timer

WCED | WT2M | Rail Mounted Digital Timer | Weekly | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WT2M
£21.75
FuseBox RTAMC10BD Bi-Directional

FuseBox | RTAMC10BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 10A
22 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMC10BD
£14.34
Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA

Live Electrical RNA10C-030 RCBO A Type DP Bi-Directional 10A C Curve 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNA10C-030
£10.43
Live Electrical CB220B 2 Pole MCB 20A B Curve

Live Electrical | CB220B | 10kA | Curve B | 2 Pole Bi-Directional MCB | 20A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: CB220B
£5.89
Live Electrical 1P 100A Curve C MCB with 10kA breaking capacity – suitable for motor loads and industrial circuit protection applications.

Live Electrical | CZ1100C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 100A
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: CZ1100C
£6.15
Live Electrical FMC06 6 Module Flush Mounted Metal Enclosure

Live Electrical FMC06 6 Module Flush Mounted Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FMC06
£28.73
Live Electrical FMC12M-SP 9 Way Flush SPD Metal Consumer Unit

Live Electrical FMC12M-SP 9 Way Flush SPD Metal Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FMC12M-SP
£64.88
WCED WKC340C 10kA 3 Pole MCB Curve C 40A

WCED | WKC340C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 40A
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC340C
£8.61
Niglon DRT20 Mechanical Stair Timer

Niglon DRT20 Mechanical Stair Timer
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: DRT20
£18.10
Niglon PCU1412M 9 RCBO SPD Consumer Unit KitNiglon Protego 9 RCBOs SPD Consumer Unit Kit

Niglon | PCU1412M | Protego | SPD Consumer Unit Kit | 11 Usable Way | 9 Bi-Directional RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PCU1412M/9RCBO/BIDIR
£159.69
Niglon PMCB10C1-32 32A Single Pole 10kA Curve C MCB

Niglon PMCB10C1-32 32A Single Pole 10kA Curve C MCB
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PMCB10C1-32
£3.42
Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection

Live Electrical WCB1-63N Wi-Fi Smart Energy Switch with kWh Metering and Protection
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WCB1-63N
£22.66
PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit

PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MAK50/50/F3015MZ
£7.95
Garo 63A 2 Pole Type A 100mA Bi-Directional RCCB

Garo DCCB63-2-1 63A 2 Pole Type A 100mA Bi-Directional RCCB
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DCCB63-2-1
£24.06
Garo 4 Pole 24A NO AC-DC Contactor

Garo GK24-4NO – 4 Pole 24A 4NO 230V AC / 220V DC Modular Contactor
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GK24-4NO
£18.97
Live Electrical TPN12-125 Live Electrical TPN12-125 125A 12 Way TPN Distribution Board 1

Live Electrical TPN12-125 125A 12 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN12-125
£143.29
Live Electrical TPN08-250 250A Live Electrical 8 Way TPN Distribution Board 1

250A Live Electrical 8 Way TPN Distribution Board
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN08-250
£236.85
Hager JK11253S Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit 1

Hager JK11253S 125A 3 Pole Mains Switch Incomer Kit
1 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: JK11253S
£68.19
Hager NCN132A Hager NCN132A Single Pole Type C MCB 32A 10kA

Hager NCN132A Single Pole Type C MCB 32A 10kA
6 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NCN132A
£9.18
Live Electrical MAC4P25 Live Electrical MAC4P25 25A Modular AC Contactor 4 Pole NO 1

Live Electrical MAC4P25 – 4 Pole 25A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: MAC4P25
£12.99

Showing 781–800 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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