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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 221–240 of 2370 results

FuseBox MT06B401 40A MCB Curve B

FuseBox MT06B401 40A MCB Curve B
24 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B401
£1.95
FuseBox MT06C201 20A MCB Curve C

FuseBox MT06C201 20A MCB Curve C
31 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06C201
£1.95
Live Electrical RI25DC Live Electrical 4 Pole 25A DC Rotary Isolator Switch 1

Live Electrical RI25DC 4 Pole 25A DC Rotary Isolator Switch
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RI25DC
£20.99 £16.10
FuseBox RTA101630C 16A 30mA 10kA C Curve Type A RCBO

FuseBox | RTA101630C | 10kA | 30mA | Curve C | Type A RCBO | 16A
17 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA101630C
£15.99
WCED WRDUSP440C 4 Pole SPD + 40A C Curve Type A RCD with Metal Enclosure

WCED WRDUSP440C 4 Pole SPD + 40A C Curve Type A RCD with Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WRDUSP440C
£55.39
Hager ARR932U Hager ARR932U AFD with 30mA RCBO 32A Curve B Type A

Hager ARR932U AFD with 30mA RCBO 32A Curve B Type A
10 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ARR932U
£92.96
FuseBox A65E06MGY IP65 6 Way Metal EnclosureFuseBox A65E06MGY IP65 6 Way Metal Enclosure – Grey

FuseBox A65E06MGY IP65 6 Way Metal Enclosure – Grey
Out of Stock
Expected back in stock approximately end of August.
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SKU: A65E06MGY
£41.54
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Live Electrical PCUB Solid Blank

Live Electrical | PCUB | Solid Blank | Fits SRN Consumer Units
117 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PCUB
£0.76
WCED BBP3100 WCED 3P 100A Pin Type Busbar - 1 m

WCED 3P 100A Pin Type Busbar – 1 m
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: BBP3100
£11.03
WCED WME8 WCED 8 Way Metal Enclosure 1WCED WME8 WCED 8 Way Metal Enclosure 2

WCED 8 Way Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME8
Quantity Discount
Quantity Price
1 - 4 £23.27
5+ £22.69
10+ £22.11
20+ £21.52
£23.27
Live Electrical CB316D Live Electrical CB316D 3 Pole 16A D Curve 10kA MCB 1Live Electrical CB316D Live Electrical CB316D 3 Pole 16A D Curve 10kA MCB 2

Live Electrical | CB316D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CB316D
£8.37
WCED WKC132C 10kA 1 Pole MCB Curve C 32A

WCED | WKC132C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 32A
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC132C
£2.96
Envirograf EBU2 EnviroBurst Automatic Fire Suppression System - 300mm Long Tube 1

EnviroBurst Automatic Fire Suppression System – 300mm Long Tube
7 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: EBU2
£36.88
WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor

WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P32NC
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
FuseBox RTAMC16BD Bi-Directional

FuseBox | RTAMC16BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 16A
6 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: RTAMC16BD
£14.34
Live Electrical CB163B Live Electrical CB163B 63A Curve B 10kA MCB 1

Live Electrical | CB163B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 63A
10 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: CB163B
£2.95
WCED WMECOS125-L WCED Changeover Switch 125A with Metal Enclosure 1

WCED WMECOS125-L 125A Changeover Switch with Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMECOS125-L
£20.93
Live Electrical EMCU5-A5 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMCU5-A5 Way Empty DIN Rail Metal Enclosure With Lid
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: EMCU5-A
£10.45
WCED Whitecliffe WSPD240 Type 2 20kA/40kA SPD Surge Protection Device

WCED Whitecliffe WSPD240 Type 2 20kA/40kA SPD Surge Protection Device
23 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WSPD240
£15.24
WCED IP65 Plastic Garage Unit - 100A Main Switch 6A/32A B MCB

WCED IP65 Plastic Garage Unit – 100A Main Switch 6A/32A B MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WPMS04/632
£21.53

Showing 221–240 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

We have been advised by the supplier that this item is expected back in stock approximately towards the end of August.

Please note this date is an estimate and may change depending on supplier availability.

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