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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 141–160 of 2370 results

WCED Twin Screw 100A DP Main Switch

WCED Twin Screw 100A DP Main Switch
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME2100
£4.24
WCED WRB132C-030 WCED Type A High Immunity Curve C 32A 30mA RCBO 1

WCED Type A High Immunity Curve C 32A 30mA RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WRB132C-030
£9.00
WCED IP65 Metal EV Protection Unit WMIP40BSPWCED | WMIP40BSP | IP65 Metal EV Protection Unit | Type A 40A B Curve RCBO & Type 2 SPD

WCED | WMIP40BSP | IP65 Metal EV Protection Unit | Type A 40A B Curve RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMIP40BSP
Quantity Discount
Quantity Price
1 £44.78
2+ £43.88
3+ £42.54
5+ £41.42
10+ £40.30
£44.78
Niglon PMODBLANK Din Rail Mounted Blank

Niglon PMODBLANK Din Rail Mounted Blank
56 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PMODBLANK
£1.10
Live Electrical RNA16B-030 RCBO A Type DP Bi-Directional 16A B Curve 30mA

Live Electrical RNA16B-030 RCBO A Type DP Bi-Directional 16A B Curve 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: RNA16B-030
£10.43
Live Electrical MS2100 100A Double Pole Main Switch

Live Electrical MS2100 100A Double Pole Main Switch
4 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: MS2100
£4.37
FuseBox RTA065030B 30mA Curve B 50A Type A RCBO

FuseBox | RTA065030B | 6kA | 30mA | Curve B | Type A RCBO | 50A
97 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA065030B
£9.99
FuseBox RTA102030B 20A 30mA 10kA B Curve Type A RCBO

FuseBox | RTA102030B | 10kA | 30mA | Curve B | Type A RCBO | 20A
28 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA102030B
£15.99
FuseBox RTA102030C 20A 10kA 30mA C Curve Type A RCBO

FuseBox | RTA102030C | 10kA | 30mA | Curve C | Type A RCBO | 20A
22 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA102030C
£15.99
SPD1MT2 Single Module T2 SPDClose-up of FuseBox SPD1MT2 surge protection device – compact Type 2 SPD for direct mounting in residential or commercial distribution boards.

Fusebox SPD1MT2 Single Module Type 2 SPD Surge Protection Device
5 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: SPD1MT2
£23.51
Live Electrical CB110B Live Electrical CB110B 10A Curve B 10kA MCB 1

Live Electrical | CB110B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 10A
14 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB110B
£2.95
Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 1Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 2

2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: LEVB240
£29.50 £22.50
Live Electrical SPV240 Type 2 DC Surge DeviceLive Electrical SPV240 Type 2 DC Surge Device

Live Electrical | SPV240 | 2-Pole | Type 2 DC Surge Device | For Circuits up to 1000V
4 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: SPV240
£14.82
FuseBox MT06C321 32A MCB Curve C

FuseBox MT06C321 32A MCB Curve C
1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT06C321
£1.95
WCED WMC140B WCED Miniature Circuit Breaker 6kA Curve B - 40A 1

WCED | WMC140B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMC140B
£1.37
WCED WFMS100/3FSP WCED Metal Fused Main Switch with 3 Fuses & SPD 1WCED WFMS100/3FSP WCED Metal Fused Main Switch with 3 Fuses & SPD 2

WCED Metal Fused Main Switch with 3 Fuses & SPD
Out of Stock
Expected back in stock mid-June
Read More
SKU: WFMS100/3FSP
£61.96
Read more
Garo Meter Supply Isolator with Surge ProtectionGaro GSP2100M Meter Supply Isolator with Surge Protection

Garo GSP2100M Meter Supply Isolator with Surge Protection
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: GPS2100M
£19.16
Live Electrical CB106C Live Electrical CB106C 6A Curve C 10kA MCB 1

Live Electrical | CB106C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 6A
18 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: CB106C
£2.95
FuseBox RTAMB25 25A Mini Type A RCBO

FuseBox RTAMB25 25A Mini Type A RCBO
21 In Stock
This item cannot be back-ordered
SKU: RTAMB25
£13.50 £12.49
FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOsPopulated FuseBox 21 Way Consumer Unit Kit for Fast Installation

FuseBox F3021MZ 21 Way SPD Consumer Unit Kit – with 15 RCBOs
In Stock
SKU: F3021MZ/15RCBO
£222.78 £218.73

Showing 141–160 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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Delivery info

This product is currently out of stock. According to our supplier (WCED), new stock is expected mid-June. As soon as it arrives, it will be available to order directly through our website.

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