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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)

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EV Circuit Protection (109)

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SPD Surge Protection Devices (124)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 201–220 of 2370 results

Axiom STDL35 DIN Rail 35mm x 7.5mm - 1 meter

DIN Rail 35mm x 7.5mm – 1 meter
30 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: STDL35
£2.95
WCED WARB5100C/PMESP WARB5100C/PMESP 3 Phase PME Fault Detection Unit

3 Phase PME / PEN Fault Detection Unit c/w 5 Pole 100A MCB Type 2 SPD and PME Relay
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WARB5100C/PMESP
£84.22
FuseBox MT06B201 20A MCB Curve B

FuseBox MT06B201 20A MCB Curve B
43 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B201
£1.95
FuseBox F3007MZ 7 Way RCBO Consumer Unit With SPDFuseBox F3007MZ 7 Way RCBO Consumer Unit With SPD 2

FuseBox F3007MZ 7 Way RCBO Consumer Unit With SPD
31 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3007MZ
Quantity Discount
Quantity Price
1 - 5 £54.34
6+ £52.44
£54.34
FuseBox F3015MZ 15 Way SPD Consumer Unit Kit – with 12 RCBOsComplete Kit for Fast Installation – Populated FuseBox 15 Way Consumer Unit

FuseBox F3015MZ 15 Way SPD Consumer Unit Kit – with 12 RCBOs
In Stock
SKU: F3015MZ/12RCBO
£187.19 £183.78
WCED WPGU04/616 Plastic IP65 Garage Consumer Unit - 63A Type A RCD 6A/16A B MCBs

WCED WPGU04/616 Plastic IP65 Garage Consumer Unit – 63A Type A RCD 6A/16A B MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPGU04/616
Quantity Discount
Quantity Price
1 - 2 £22.15
3+ £21.60
5+ £21.04
10+ £20.49
£22.15
Live Electrical DCM232C 2 Pole C Curve 6kA 32A 600V DC MCB

Live Electrical DCM232C 2 Pole C Curve 6kA 32A 600V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: DCM232C
£9.50
Live Electrical RNC16B-30N – 16A Double Pole Single Module RCBO

Live Electrical | RNC116B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 16A
67 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RNC116B-030N
£9.75
Live Electrical CB332D Live Electrical CB332D 3 Pole 32A D Curve 10kA MCB 1

Live Electrical | CB332D | 10kA | Curve D | 3 Pole Bi-Directional MCB | 32A
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB332D
£8.37
Live Electrical CS3P32 Live Electrical 3 Pole 32A Changeover Switch 1

Live Electrical CS3P32 3 Pole 32A Changeover Switch
9 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CS3P32
£23.90
FuseBox RTAMC32BD Bi-Directional

FuseBox | RTAMC32BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 32A
50 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMC32BD
£14.34
WCED WRB110C-030 WCED Type A High Immunity Curve C 10A 30mA RCBO 1

WCED Type A High Immunity Curve C 10A 30mA RCBO
20 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRB110C-030
£9.00
WCED 4 Pole 230/400V 40A NO Normally Open AC Modular Contactor

WCED WAC4P40 – 4 Pole 40A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P40
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
WCED WAC2P20CO WCED WAC2P20CO 2 Pole 20A Normally Open and Closed AC Modular Contactor

WCED WAC2P20CO – 2 Pole 20A 1NO 1NC 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC2P20CO
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
WCED WAC4P40NC WCED WAC4P40NC 4 Pole 40A Normally Closed AC Contactor 1

WCED WAC4P40NC – 4 Pole 40A 4NC 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P40NC
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
WCED PST9 Grommet Strip for Metal Consumer Units - 0.9m

Grommet Strip for Metal Consumer Units – 0.9m
24 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PST9
£0.47
️Type B HP 40A RCD for Heat Pumps

WCED | Bi-Directional | Type B HP RCD for Heat Pumps | 40A | 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WHP240B-030
Quantity Discount
Quantity Price
1 £99.19
2+ £96.21
3+ £94.23
£99.19
Live Electrical CB163C Live Electrical CB163C 63A Curve C 10kA MCB 1

Live Electrical | CB163C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 63A
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB163C
£2.95
WCED Type A Bi-Directional Curve B 10A 30mA RCBO - WRB110B-030

WCED Type A Bi-Directional Curve B 10A 30mA RCBO – WRB110B-030
30 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRB110B-030
£10.00
WCED 2 Pole 230V 25A NO Normally Open AC Modular Contactor

WCED WAC2P25 – 2 Pole 25A 2NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WAC2P25
Quantity Discount
Quantity Price
1 - 2 £6.22
3+ £6.06
5+ £5.91
10+ £5.75
20+ £5.60
£6.22

Showing 201–220 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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