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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 581–600 of 2370 results

Live Electrical LSMC22M-SP Live Electrical 19 Way SPD Metal Consumer Unit 1

Live Electrical 19 Way SPD Metal Consumer Unit
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC22M-SP
Quantity Discount
Quantity Price
1 £55.87
2+ £54.75
3+ £53.91
£55.87
Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device

Live Electrical SP1401P+N/2 Type 2 SPD Surge Protection Device
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SP1401P+N/2
£12.03
FuseBox RTF400302 Type F RCD 40A 30mA 2P

FuseBox RTF400302 Type F RCD 40A 30mA 2P
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RTF400302
£44.20
Live Electrical RNA16C-030 RCBO A Type DP Bi-Directional 16A C Curve 30mA

Live Electrical RNA16C-030 RCBO A Type DP Bi-Directional 16A C Curve 30mA
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RNA16C-030
£10.43
WCED WKC140B 10kA 1 Pole MCB Curve B 40A

WCED | WKC140B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC140B
£2.96
Niglon RCBO1-20/30SAX2 20A RCBO – Type A, Bi-Directional, Curve B, 30mA, Compact 18mm, 6kA.

Niglon RCBO1-20/30SAX2 20A Curve B 30mA Bi-Directional A Type RCBO
16 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-20/30SAX2
£12.78
Fusebox EV40AXBD EV Consumer Unit

Fusebox | EV40AXBD | EV Consumer Unit | Type 2 SPD | Main Switch with Bi-Directional RCBO | 40A
Out of Stock
This item cannot be back-ordered
SKU: EV40AXBD
£59.99
Read more
Garo GP2100M 2 Way 100A Enclosure Meter Isolation Switch

Garo GP2100M 2 Way 100A Enclosure Meter Isolation Switch
28 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GP2100M
£8.33
Live Electrical SinglePhaseKit Single Phase Kit for Live Electrical TPN Boards 1

Single Phase Kit for Live Electrical TPN Boards
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SinglePhaseKit
£9.00
Hager VM03CB Hager VM03CB Closed Top Wall Cable Protector Plate 1

Hager VM03CB Closed Top Wall Cable Protector Plate
8 In Stock
This item cannot be back-ordered
SKU: VM03CB
£1.50
Hager VM04CB Hager VM04CB 25mmx30mm Closed Meter Tail Plate

Hager VM04CB 25mmx30mm Closed Meter Tail Plate
13 In Stock
This item cannot be back-ordered
SKU: VM04CB
£1.50
Live Electrical MAC4P20 Live Electrical MAC4P20 20AModular AC Contactor 4 Pole NO 1

Live Electrical MAC4P20 – 4 Pole 20A 4NO 230V AC Modular Contactor
3 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MAC4P20
£12.99
Envirograf Intumescent Strip SCUB1 – 100x60mm

Envirograf Intumescent Strip SCUB1 for Metal Consumer Units – 100x60mm
21 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SCUB1
£3.18
WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection

WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WMCU440SP
£33.44
FuseBox AFSS18 Fusebox AFSS18 Surface Stand Off Plate

Fusebox AFSS18 Surface Stand Off Plate
3 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AFSS18
£15.35
Live Electrical RA206B-030 Live Electrical Double Pole Type A RCBO - Curve B - 6A 1

Live Electrical Double Pole Type A RCBO – Curve B – 6A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA206B-030
£13.99
WCED WPEPME12/LB PME Fault Detection Unit IP65 with Load Management 12 Mod c/w C40 RCBO Relays and SPD 1

PME / PEN Fault Detection Unit IP65 with Load Management 12 Mod c/w C40 RCBO Relays and SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WPEPME12/LB
Quantity Discount
Quantity Price
1 £130.71
2+ £126.79
3+ £124.17
£130.71
FuseBox MT10C631 FuseBox MT10C631 63A Single Pole 10kA C Curve MCB

FuseBox MT10C631 63A Single Pole 10kA C Curve MCB
8 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT10C631
£3.34
FuseBox MT10B633 FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB

FuseBox MT10B633 63A Triple Pole 10kA B Curve MCB
10 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT10B633
£9.88
FuseBox MT10C163 FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB

FuseBox MT10C163 16A Triple Pole 10kA C Curve MCB
20 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT10C163
£9.51

Showing 581–600 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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