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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)

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SPD Surge Protection Devices (124)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

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Switch Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 381–400 of 2370 results

FuseBox MT10B161 FuseBox MT10B161 16A Single Pole 10kA B Curve MCB

FuseBox MT10B161 16A Single Pole 10kA B Curve MCB
26 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B161
£3.22
FuseBox KWH1M45 FuseBox KWH1M45 Single Phase kWh Energy Meter 1

FuseBox KWH1M45 Single Phase kWh Energy Meter
4 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: KWH1M45
£17.50
Live Electrical LSMC16M-SP Live Electrical 13 Way SPD Metal Consumer Unit 1

Live Electrical 13 Way SPD Metal Consumer Unit
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC16M-SP
Quantity Discount
Quantity Price
1 £48.81
2+ £47.83
3+ £47.10
£48.81
Live Electrical LSMC06 6 Module Metal Enclosure

Live Electrical LSMC06 6 Module Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC06
£23.90
Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBOGaro GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO, PEN Fault Detection & Surge Protection

Garo GCS8EV40PME IP65 EV Consumer Unit with B40A Type A RCBO, PEN Fault Detection & Surge Protection
6 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GCS8EV40PME
£115.00
Live Electrical RKA132C-030 10kA Type A C Curve Compact 32A Bi-Directional RCBO

Live Electrical | RKA132C-030 | 1P+N | Bi-Directional RCBO | Type A | Curve C | 10kA | 30mA | 32A
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RKA132C-030
£11.59
Live Electrical TIME16S single module digital timer switch

Live Electrical | TIME16S | Single Module Digital Timer Switch 16A | DIN Rail
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TIME16S
£24.90
WCED 15 Way SPD Metal Consumer Unit

WCED | WME18/SP | SPD Consumer Unit | 15 Way
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME18/SP
£46.96
Live Electrical RA232B-030 Live Electrical Double Pole Type A RCBO - Curve B - 32A 1Live Electrical RA232B-030 Live Electrical Double Pole Type A RCBO - Curve B - 32A 2

Live Electrical Double Pole Type A RCBO – Curve B – 32A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA232B-030
£13.99
FuseBox MT06C401 40A C Curve MCB

FuseBox MT06C401 40A C Curve MCB
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06C401
£1.95
Fusebox TPN11FBX

Fusebox TPN11FBX 11 Way 125A Three Phase Board with SPD
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: TPN11FBX
£230.15
WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection

WARB5100C 5 Pole 100A Auto Reset Device with PME Fault Protection
Out of Stock
ETA 25/07/26
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SKU: WARB5100C
£43.82
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Live Electrical LSMC06/100 100A Main Switch 4 Way Consumer Unit

Live Electrical LSMC06/100 100A Main Switch 4 Way Consumer Unit
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: LSMC06/100
£23.37
Niglon RCBO1-16/30SSAX 16A Curve B 30mA A Type RCBO

Niglon RCBO1-16/30SSAX 16A Curve B 30mA A Type RCBO
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-16/30SSAX
£11.12
Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge ProtectionGaro GCS8EV40CPME – EV Consumer Unit with PEN Fault Detection, Surge Protection and 40A Curve C Type A RCBO

Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection
10 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: GCS8EV40CPME
£115.00
Live Electrical CB320B Live Electrical CB320B 3 Pole 20A B Curve 10kA MCB 1

Live Electrical | CB320B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 20A
16 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB320B
£8.37
FuseBox MT10B061 FuseBox MT10B061 6A Single Pole 10kA B Curve MCB

FuseBox MT10B061 6A Single Pole 10kA B Curve MCB
8 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: MT10B061
£3.22
Live Electrical RDA440-100 4 Pole Type A 40A 100mA RCD

Live Electrical | RDA440-100 | 4 Pole | Bi-Directional Type A RCD | 6kA | 100mA | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RDA440-100
£15.99
Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB

Live Electrical DCM263C 2 Pole C Curve 6kA 63A 600V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: DCM263C
£9.50
WCED WMTP36-R40CSP WCED 3-Phase 36 Ways PME Protection Board 1WCED WMTP36-R40CSP WCED 3-Phase 36 Ways PME Protection Board 3

3-Phase PME / PEN Fault Detection Consumer Unit for 3 x 3 Phase EV Charges
Out of Stock
This item cannot be back-ordered
SKU: WMTP36-R40CSP
£274.89
Read more

Showing 381–400 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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