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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 621–640 of 2370 results

WCED 6 Way Main Switch Consumer UnitWCED | WME08/MS100 | 100A Main Switch Consumer Unit | 6 Way

WCED | WME08/MS100 | 100A Main Switch Consumer Unit | 6 Way
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME08/MS100
£24.35
WCED WME4 WCED 4 Way Metal Enclosure 1

WCED 4 Way Metal Enclosure
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME4
Quantity Discount
Quantity Price
1 - 4 £16.62
5+ £16.20
10+ £15.79
20+ £15.37
£16.62
WCED 4 Pole 230/400V 32A NO Normally Open AC Modular Contactor

WCED WAC4P32 – 4 Pole 32A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P32
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
WCED WMEV240C WCED A-Type Electric Vehicle 2 Module Enclosure - 40A RCBO C Curve 1

WCED A-Type Electric Vehicle 2 Module Enclosure – 40A RCBO C Curve
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEV240C
£25.99
Hager VML112SPDRK 12 Way Main Switch SPD Consumer Unit with Round Knockouts

Hager VML112SPDRK 12 Way Main Switch SPD Consumer Unit with Round Knockouts
1 In Stock
This item cannot be back-ordered
SKU: VML112SPDRK
£84.95
FuseBox MT10B501 FuseBox MT10B501 50A Single Pole 10kA B Curve MCB

FuseBox MT10B501 50A Single Pole 10kA B Curve MCB
14 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B501
£3.34
FuseBox MT10B631 FuseBox MT10B631 63A Single Pole 10kA B Curve MCB

FuseBox MT10B631 63A Single Pole 10kA B Curve MCB
14 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B631
£3.34
FuseBox MT10C253 FuseBox MT10C253 25A Triple Pole 10kA C Curve MCB

FuseBox MT10C253 25A Triple Pole 10kA C Curve MCB
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C253
£9.51
Live Electrical RDA4100-100 4 Pole Type A 100A 100mA RCD

Live Electrical | RDA4100-100 | 4 Pole | Bi-Directional Type A RCD | 6kA | 100mA | 100A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA4100-100
£20.99
Hager ADC916R C16A Bidirectional RCBOHager | ADC916R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 16A

Hager | ADC916R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 16A
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: ADC916R
£19.70
Live Electrical 3P+N 40A C Curve 30mA Type A RCBO

Live Electrical 3P+N 40A C Curve 30mA Type A RCBO
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTN340C-030N
£45.15
Niglon PRCB01C1-16 1P + Neutral 16A Curve C Bi-Directional 10kA RCBO

Niglon PRCBO10C1-16 1P + Neutral 16A Curve C Bi-Directional 10kA RCBO
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PRCBO10C1-16
£19.21
FuseBox BB1003P 100A 3-Pole Insulated Busbar – 1 metre copper busbar for safe, consistent multi-pole connections in professional electrical installations.

Fusebox BB1003P 100A 3P Insulated Busbar – 1 meter
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: BB1003P
£40.95
Live Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With LidLive Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMU2 2 Way Empty DIN Rail Metal Enclosure With Lid
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: EMU2
£7.85
4 Pole 100A B Type RCD 300mA

WCED | WEV4100B-300 | Bi-Directional | B Type RCD | 4 Pole | 100A | 300mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WEV4100B-300
Quantity Discount
Quantity Price
1 £129.64
2+ £125.75
3+ £123.16
£129.64
WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A

WCED WRT106B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 6A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WRT106B-030
£10.97
Timeguard IS3N-20AC 20A 3P IP66 Rotary Isolator Switch

Timeguard | IS3N-20AC | 20A 3P IP66 | Rotary Isolator Switch
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: IS3N-20AC
£9.10
WME12/HP40C Type B HP RCD Heat Pump Consumer Unit

WCED | WME12/HP40C | 12 Module | Heat Pump Consumer Unit | 40A Type B RCD | 3 x C16 MCB | SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WME12/HP40C
Quantity Discount
Quantity Price
1 - 2 £153.72
3+ £147.57
5+ £141.42
£153.72
MS2100B 2 Pole 100A Main Switch Double Terminal

Live Electrical | MS2100B | 2 Pole Main Switch | 100A Double Terminal Busbar Compatible
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: MS2100B
£8.44
Hager SBN290 100A Double Pole Isolator

Hager SBN290 100A Double Pole Isolator
1 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: SBN290
£37.12

Showing 621–640 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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