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Circuit Protection

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SPD Surge Protection Devices (109)

Hager JK116EG Hager JK116EG 16 Module Din Rail Extension Box with Glazed Door Hager JK116EG 16 Module Din Rail Extension Box with Glazed Door

Hager JK116EG 16 Module Din Rail Extension Box with Glazed Door

2 In stock
More available within 1-3 working days*
SKU: JK116EG
£114.71
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Hager JK124BG Hager JK124BG 125A 24 Way TPN Board Glazed Door

Hager JK124BG 125A 24 Way TPN Board Glazed Door

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SKU: JK124BG
£364.52
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Hager JK118BG Hager JK118BG 125A 18 Way TPN Board Glazed Door

Hager JK118BG 125A 18 Way TPN Board Glazed Door

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SKU: JK118BG
£291.14
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Hager JK116BG Hager JK116BG 125A 16 Way TPN Board Glazed Door

Hager JK116BG 125A 16 Way TPN Board Glazed Door

1 In stock
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SKU: JK116BG
£262.49
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Hager JK106BG 125A 6 Way TPN Board Glazed Door

Hager JK106BG 125A 6 Way TPN Board Glazed Door

2 In stock
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SKU: JK106BG
£140.23
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Hager JK104BG Hager JK104BG 125A 4 Way TPN Board Glazed Door

Hager JK104BG 125A 4 Way TPN Board Glazed Door

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SKU: JK104BG
£126.12
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Live Electrical LSGU63632 Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs

Live Electrical LSGU63632 Garage 63A RCD Consumer Unit with 6A&32A MCBs

1 In stock
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SKU: LSGU63632
£32.84
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Live Electrical LSGU63616 Live Electrical LSGU63616 Garage 63A RCD Consumer Unit with 6A&16A MCBs

Live Electrical LSGU63616 Garage 63A RCD Consumer Unit with 6A&16A MCBs

1 In stock
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SKU: LSGU63616
£32.84
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Live Electrical AGU5-SR/W IP65 Metal SPD 2 Way Garage/EV Unit with 40A RCBO - White

Live Electrical AGU5-SR/W IP65 Metal SPD 2 Way Garage/EV Unit with 40A RCBO – White

5 In stock
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SKU: AGU5-SR/W
£52.92

3-£51.60£1.32£52.92
5-£50.27£2.65£52.92
10-£48.95£3.97£52.92
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Live Electrical AGU5-SRTB/G IP65 Metal EV Consumer Unit with B40A DP RCBO - Grey

Live Electrical AGU5-SRTB/G IP65 Metal EV Consumer Unit with B40A DP RCBO – Grey

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SKU: AGU5-SRTB/G
£53.86

3-£52.51£1.35£53.86
5-£51.17£2.69£53.86
10-£49.82£4.04£53.86
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Live Electrical AGU5-SRTB/B IP65 Metal EV Consumer Unit with B40A DP RCBO - Black

Live Electrical AGU5-SRTB/B IP65 Metal EV Consumer Unit with B40A DP RCBO – Black

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SKU: AGU5-SRTB/B
£53.86

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10-£49.82£4.04£53.86
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Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO - White

Live Electrical AGU5-SRTC/W IP65 Metal EV Consumer Unit with C40A DP RCBO – White

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SKU: AGU5-SRTC/W
£53.86

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10-£49.82£4.04£53.86
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Live Electrical AGU5-SRTC/B IP65 Metal EV Consumer Unit with C40A DP RCBO - Black IP65 Metal EV Consumer Unit with C40A DP RCBO - Black

Live Electrical AGU5-SRTC/B IP65 Metal EV Consumer Unit with C40A DP RCBO – Black

Delivery usually within 1-3 working days*
SKU: AGU5-SRTC/B
£53.86

3-£52.51£1.35£53.86
5-£51.17£2.69£53.86
10-£49.82£4.04£53.86
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Live Electrical AGU5-SNR/W IP65 Metal EV Consumer Unit with C40A RCBO and SPD - White

Live Electrical AGU5-SNR/W IP65 Metal EV Consumer Unit with C40A RCBO and SPD – White

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SKU: AGU5-SNR/W
£54.20

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5-£51.49£2.71£54.20
10-£50.14£4.07£54.20
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FuseBox A65GRAXGY IP65 Garage Consumer Unit with SPD – Grey

FuseBox A65GRAXGY IP65 Garage Consumer Unit with SPD – Grey

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SKU: A65GRAXGY
£81.00

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FuseBox A65GRAXWH IP65 Garage Consumer Unit with SPD – White

FuseBox A65GRAXWH IP65 Garage Consumer Unit with SPD – White

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SKU: A65GRAXWH
£81.00

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FuseBox RTF1000302 Type F RCD 100A 30mA 2P

FuseBox RTF1000302 Type F RCD 100A 30mA 2P

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SKU: RTF1000302
£54.60
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Fusebox

FuseBox AFSS36 Metal Surface Spacer 30mm

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SKU: AFSS36
£27.04
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Fusebox

FuseBox AFSS28 Metal Surface Spacer 30mm

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SKU: AFSS28
£22.76
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FuseBox AFMF36 36P Flush Fit Frame

FuseBox AFMF36 36P Flush Fit Frame

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SKU: AFMF36
£25.73
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Showing 1301–1320 of 1793 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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