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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 761–780 of 2370 results

WCED WRT116C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 16A

WCED WRT116C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 16A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRT116C-030
£10.97
WCED WRT120B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 20A

WCED WRT120B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WRT120B-030
£10.97
Live RKN332C-030 Bi-Directional 3 Phase RCBO C32A

Live Electrical | RKN332C-030 | 3P+N | Bi-Directional RCBO | Type A | Curve C | 30mA | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RKN332C-030
£48.41
LEV840SP-P 3 Phase IP65 EV Charger Consumer Unit C Curve8 Way Weatherproof Consumer Unit with Type A RCBO and SPD

Live Electrical | LEV840SP-P | 3 Phase IP65 EV Charger Consumer Unit | SPD | C40A Type A RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LEV840SP-P
£70.72
Live Electrical CB163D Live Electrical CB163D 63A Curve D 10kA MCB 1

Live Electrical | CB163D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 63A
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB163D
£2.95
Hager NBN110A Hager NBN110A Single Pole Type B MCB 10A 10kA

Hager NBN110A Single Pole Type B MCB 10A 10kA
13 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NBN110A
£9.18
Live Electrical 18 Edition 32 Way Dual Row SPD Consumer Unit

Live Electrical 18 Edition 32 Way Dual Row SPD Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MCU36M-SP
£129.00
WCED 2 Way Main Switch Consumer UnitWCED 2 Way Main Switch Consumer Unit

WCED | WME04/MS100 | 100A Main Switch Consumer Unit | 2 Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME04/MS100
£18.85
FuseBox AFSS24 Fusebox AFSS24 Surface Stand Off Plate

Fusebox AFSS24 Surface Stand Off Plate
5 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AFSS24
£17.63
Live Electrical SA460 Live Electrical 4 Pole 30kA/60kA Type 2 Surge Protective Device

Live Electrical SA460 4 Pole 30kA/60kA Type 2 Surge Protective Device
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SA460
£56.95
Deligo Photovoltaic (Solar) DC Rotary Isolator Switch - 16A

Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 16A
1 In Stock
This item cannot be back-ordered
SKU: DSRI16
£24.05 £19.99
Wago 788-354 Wago 788 Relay Module with 1 Changeover Contact for Lamp Loads - 24V DC 16A 2.5 mm² Grey 1

Wago 788-354 Relay Module with 1 Changeover Contact for Lamp Loads – 24V DC 16A 2.5mm² Grey
11 In Stock
More available within:
Usually 3 - 5 Working Days
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SKU: 788-354
£13.94
FuseBox MT10B403 FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB

FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB
11 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B403
£9.51
Live Electrical RDA463-100 4 Pole Type A 63A 100mA RCD

Live Electrical | RDA463-100 | 4 Pole | Bi-Directional Type A RCD | 6kA | 100mA | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA463-100
£18.99
PME / PEN Fault Detection Unit - C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter

PME / PEN Fault Detection Unit – C40A RCBO 4P 63A Contactor SPD & PME Relays + KWH Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME10/SP
Quantity Discount
Quantity Price
1 £106.45
2+ £103.26
3+ £101.13
£106.45
SPV340/1 1500V DC Surge Protection DeviceLive Electrical | SPV340/1 | 3-Pole | 20kA/40kA | Type 2 DC Surge Device | For Circuits up to 1500V

Live Electrical | SPV340/1 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1500V
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SPV340/1
£25.28
Cobra RI/DC/25 Cobra Cable 25A DC Rotary Isolator

Cobra Cable 25A DC Rotary Isolator
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RI/DC/25
£23.10 £19.99
FuseBox EV32RAX FuseBox EV32RAX EV Charger Distribution BoardFuseBox EV32RAX EV Charger Consumer Unit

FuseBox | EV32RAX | EV Charger Consumer Unit | 63A Type A RCD | Type 2 SPD | 32A MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: EV32RAX
£58.80
WCED IP65 Metal EV Protection Unit WMIP32BSPWCED | WMIP32BSP | IP65 Metal EV Protection Unit | Type A 32A B Curve RCBO & Type 2 SPD

WCED | WMIP32BSP | IP65 Metal EV Protection Unit | Type A 32A B Curve RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMIP32BSP
Quantity Discount
Quantity Price
1 £44.78
2+ £43.88
3+ £42.54
5+ £41.42
10+ £40.30
£44.78
FuseBox A65GRAGY Metal IP65 Garage Consumer Unit - Grey

FuseBox A65GRAGY Metal IP65 Garage Consumer Unit – Grey
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: A65GRAGY
£60.00

Showing 761–780 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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