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Circuit Protection

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SPD Surge Protection Devices

SPD Surge Protection Devices (109)

Live Electrical LSMC08/100 100A Main Switch 6 Way Consumer Unit

Live Electrical LSMC08/100 100A Main Switch 6 Way Consumer Unit

2 In stock
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SKU: LSMC08/100
£25.63
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Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit

Live Electrical LSMC10/100 100A Main Switch 8 Way Consumer Unit

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SKU: LSMC10/100
£27.52
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Live Electrical LSMC22/100 100A Main Switch 20 Way Consumer Unit

Live Electrical LSMC22/100 100A Main Switch 20 Way Consumer Unit

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SKU: LSMC22/100
£42.40
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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

10 In stock
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SKU: WRT106B-030
£13.50
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WCED WRT106C-030 Bi-Directional 10kA Type A 30mA 30mA RCBO Curve C 6A

WCED WRT106C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 6A

8 In stock
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SKU: WRT106C-030
£13.50
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WCED WKC332B 10kA 3 Pole MCB Curve B 32A

WCED WKC332B 10kA 3 Pole MCB Curve B 32A

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SKU: WKC332B
£9.95
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WCED WKC106C 10kA 1 Pole MCB Curve C 6A

WCED WKC106C 10kA 1 Pole MCB Curve C 6A

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SKU: WKC106C
£2.65
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WCED WFD120B-030 Bi-Directional Type A 30mA B Curve 20A AFDD

WCED WFD120B-030 Bi-Directional Type A 30mA B Curve 20A AFDD

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SKU: WFD120B-030
£66.15

3-£63.50£2.65£66.15
5-£61.52£4.63£66.15
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Live Electrical ENC18-PV4/1 18 Way (8 Fuses) Solar Consumer Unit DC 1000V 4 Input 1 Output

Live Electrical ENC18-PV4/1 18 Way (8 Fuses) Solar Consumer Unit DC 1000V 4 Input 1 Output

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SKU: ENC18-PV4/1
£131.99

2-£123.41£8.58£131.99
3-£116.81£15.18£131.99
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Niglon EDB10D 400A 10-Way Earthing Busbar with Link

Niglon EDB10D 400A 10-Way Earthing Busbar with Link

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SKU: EDB10D
£98.15
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Niglon RCBO1-32/30SSAX 32A Curve B 30mA A Type RCBO

Niglon RCBO1-32/30SSAX 32A Curve B 30mA A Type RCBO

60 In stock
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SKU: RCBO1-32/30SSAX
£13.20
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Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve

Live Electrical AMR132B-100 100mA Bi-Directional Type A Compact RCBO 32A B Curve

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SKU: AMR132B-100
£9.99
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Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD Garo GS8EV40PME EV Charger Consumer Unit

Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD

6 In stock
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SKU: GS8EV40PME
£115.00
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Hager VML118SPDRK 18 Way Consumer Unit Kit with RCBOs, SPD, and Gland – 18th Edition Compliant 18 Way Main Switch SPD Consumer Unit Kit with Round Knockouts

Hager VML118SPDRK/KIT15 18 Way Main Switch SPD Consumer Unit Kit with 15 RCBOs

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SKU: VML118SPDRK/KIT15
£272.04
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Hager JK100TAP

Hager JK100TAP Top Tap Off Kit

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SKU: JK100TAP
£53.60
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Hager JK1PLATEB JK1 Spare Brass Gland Plate 2mm

Hager JK1PLATEB JK1 Spare Brass Gland Plate 2mm

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SKU: JK1PLATEB
£40.39
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Hager JK125BSP

Hager JK125BSP 125A Single Phasing Kit

1 In stock
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SKU: JK125BSP
£21.17
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Hager VM01CE Hager VM01CE Cable Protector Plate

Hager VM01CE Cable Protector Plate

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SKU: VM01CE
£8.73
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Hager VM02CE Hager VM02CE Cable Protector Plate

Hager VM02CE Cable Protector Plate

4 In stock
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SKU: VM02CE
£13.19
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Hager JK102SPD Hager JK102SPD 125A Surge Protection Kit Type 2 1

Hager JK102SPD 125A Surge Protection Kit Type 2

2 In stock
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SKU: JK102SPD
£247.21
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Showing 821–840 of 1762 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.

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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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