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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 81–100 of 2370 results

Live Electrical Single Pole 100A Copper Busbar 1m 16mm² 54 Pin

Live Electrical Single Pole 100A Copper Busbar 1m 16mm² 54 Pin
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: SPC100
£9.60
Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B CurveLive Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve 2

Live Electrical | AMR132B-100 | 100mA Bi-Directional Type A Compact RCBO 32A B Curve
19 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: AMR132B-100
£9.99
WCED WMC120B WCED Miniature Circuit Breaker 6kA Curve B - 20A 1

WCED | WMC120B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMC120B
£1.37
WCED Double Pole Type A 30mA RCBO Curve B - 40A

WCED Double Pole Type A 30mA RCBO Curve B – 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WER40B-030
£15.09
Live Electrical AMR140B-030 30mA Type A 40A 6kA B Curve Bi-Directional RCBO

Live Electrical | AMR140B-030 | 6kA 30mA | Type A B Curve | Bi-Directional RCBO | 40A
216 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: AMR140B-030
£8.22
WCED Double Pole Type A 30mA RCBO Curve C - 40A

WCED Double Pole Type A 30mA RCBO Curve C – 40A
12 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WER40C-030
£15.09
Live Electrical LSFS125 3-Phase Metal Switch Fuse BoxLive Electrical LSFS125 3-Phase Metal Switch Fuse Box 2

Live Electrical | LSFS125 | 125A | 3-Phase Metal Switch Fuse Box | without Fuses
1 In Stock
This item cannot be back-ordered
SKU: LSFS125
£56.58
WCED Type A Bi-Directional Curve B 40A 30mA RCBO - WRB140B-030

WCED Type A Bi-Directional Curve B 40A 30mA RCBO – WRB140B-030
5 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRB140B-030
£10.00
WCED IP65 EV Consumer Unit WPRC32CSPIP65 EV Consumer Unit with Type A DP C32 RCBO and SPD 2

WCED | WPRC32CSP | IP65 EV Consumer Unit | Type A DP 32A C Curve RCBO & SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WPRC32CSP
Quantity Discount
Quantity Price
1 - 2 £29.99
3+ £29.39
5+ £28.79
10+ £27.59
£29.99
FuseBox RTA103230B 32A 30mA 10kA B Curve Type A RCBO

FuseBox | RTA103230B | 10kA | 30mA | Curve B | Type A RCBO | 32A
37 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA103230B
£15.99
Live Electrical CB132C Live Electrical CB132C 32A Curve C 10kA MCB 1

Live Electrical | CB132C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 32A
8 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: CB132C
£2.95
WCED Whitecliffe WSPD440 20kA/40kA 3P+N Type 2 SPD Surge Protection Device

WCED Whitecliffe WSPD440 20kA/40kA 3P+N Type 2 SPD Surge Protection Device
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WSPD440
£22.38
Live Electrical WS18-125 Live Electrical Single Pole 125A Rail Mount Fuse Holder Without Fuse 1

Live Electrical Single Pole 125A Rail Mount Fuse Holder Without Fuse
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WS18-125
£8.90
FuseBox MT06B321 32A MCB Curve B

FuseBox MT06B321 32A MCB Curve B
57 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT06B321
£1.95
WCED WAC2P20/24 2 Pole 20A 24V Normally Open AC Contactor

WCED WAC2P20/24 – 2 Pole 20A 2NO 24V AC Modular Contactor
5 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WAC2P20/24
Quantity Discount
Quantity Price
1 - 2 £15.86
3+ £15.46
5+ £15.07
10+ £14.67
20+ £14.27
£15.86
FuseBox RTAMC20 20A Mini Type A RCBO

FuseBox RTAMC20 20A Mini Type A RCBO
37 In Stock
This item cannot be back-ordered
SKU: RTAMC20
£13.50 £12.49
WCED Whitecliffe WME3P40SP 20kA/40kA 3P+N Type 2 SPD Surge Protection with Metal Enclosure

WCED Whitecliffe WME3P40SP 20kA/40kA 3P+N Type 2 SPD Surge Protection with Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME3P40SP
£30.13
WCED WMC116B WCED Miniature Circuit Breaker 6kA Curve B - 16A 1

WCED | WMC116B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 16A
2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WMC116B
£1.37
Live Electrical SP1401P+N/1 Type 2 SPD Surge Protection Device

Live Electrical SP1401P+N/1 Type 2 SPD Surge Protection Device
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: SP1401P+N/1
£13.67
WCED Whitecliffe WME440SP Metal Meter Supply Isolator with Type 2 Surge Protection

WCED Whitecliffe WME440SP Metal Meter Supply Isolator with Type 2 Surge Protection
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME440SP
£31.48

Showing 81–100 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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