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Circuit Protection

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Circuit Protection by Brand

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SPD Surge Protection Devices

SPD Surge Protection Devices (109)

WCED WSPDTE-2 WCED 2 Pole 2 Module Type 1+2 SPD 1

WCED 2 Pole 2 Module Type 1+2 SPD

1 In stock
More available within 1-3 working days*
SKU: WSPDTE-2
£71.99

3-£68.39£3.60£71.99
5-£66.59£5.40£71.99
10-£64.79£7.20£71.99
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WCED Consumer Units

WCED Cable Pack Kit – Standard Live, Neutral & Earth Cable

8 In stock
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SKU: Cable Kit1
£2.00

3-£1.90£0.10£2.00
5-£1.85£0.15£2.00
10-£1.80£0.20£2.00
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PME / PEN Fault Detection Unit IP65 Enclosure – C40A RCBO 4P 63A Contactor SPD & PME + Load Balance & KWH Meters

PME / PEN Fault Detection Unit IP65 Enclosure – C40A RCBO 4P 63A Contactor SPD & PME + Load Balance & KWH Meters

1 In stock
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SKU: WPEPME12/LBK
£153.02

2-£149.96£3.06£153.02
3-£148.43£4.59£153.02
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Live Electrical LSMC6M-SP Live Electrical 3 Way SPD Metal Consumer Unit 1Live Electrical LSMC6M-SP Live Electrical 3 Way SPD Metal Consumer Unit 2

Live Electrical 3 Way SPD Metal Consumer Unit

5 In stock
More available within 1-3 working days*
SKU: LSMC6M-SP
£39.65

2-£38.86£0.79£39.65
4-£38.46£1.19£39.65
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Hager ADC906R Hager 30mA Type A 6A 6kA C Curve 1M 1P+N Bi-Directional RCBO

Hager ADC906R 30mA Type A 6A 6kA C Curve 1M 1P+N Bi-Directional RCBO

1 In stock
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SKU: ADC906R
£19.43
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Hager ADC932R Hager 30mA Type A 32A 6kA C Curve 1M 1P+N Bi-Directional RCBO

Hager ADC932R 30mA Type A 32A 6kA C Curve 1M 1P+N Bi-Directional RCBO

3 In stock
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SKU: ADC932R
£19.43
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Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with 40A RCBO – Black Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with 40A RCBO – Black

Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with 40A RCBO – Black

10 In stock
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SKU: AGU4-SR/B
£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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FuseBox A65GRAGY Metal IP65 Garage Consumer Unit - Grey Metal IP65 Garage Consumer Unit with 63A 30mA RCD and 6A & 16A MCBs

FuseBox A65GRAGY Metal IP65 Garage Consumer Unit – Grey

5 In stock
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SKU: A65GRAGY
£60.00

3-£59.10£0.90£60.00
5-£58.35£1.65£60.00
10-£57.00£3.00£60.00
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FuseBox AEV32AXBDGY IP65 32A Bi-Directional RCBO & SPD Consumer Unit FuseBox AEV32AXBDGY IP65 32A Bi-Directional RCBO & SPD Consumer Unit

FuseBox AEV32AXBDGY IP65 32A Bi-Directional RCBO & SPD Consumer Unit

19 In stock
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SKU: AEV32AXBDGY
£86.53

3-£85.23£1.30£86.53
5-£84.15£2.38£86.53
10-£82.20£4.33£86.53
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FuseBox RTF250302 Type F RCD 25A 30mA 2P

FuseBox RTF250302 Type F RCD 25A 30mA 2P

3 In stock
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SKU: RTF250302
£42.25
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Live Electrical TPN-125E Extended Metal Enclosure for 125A TPN Board Live Electrical TPN-125E Extended Metal Enclosure for 125A TPN Board

Live Electrical TPN-125E Extended Metal Enclosure for 125A TPN Board

1 In stock
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SKU: TPN-125E
£39.99
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Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs

Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs

Delivery usually within 1-3 working days*
SKU: LSMC6M-SP/2RCBO
£54.00
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Live Electrical MMGU32C-SP 4-Way EV Consumer Unit with 32A C Curve EV-Optimised RCBO, SPD, and Busbar – Indoor-Use Metal Enclosure EV Consumer Unit - Straight Open Front

Live Electrical MMGU32C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32 C Curve Type A

17 In stock
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SKU: MMGU32C-SP
£30.99

3-£29.44£1.55£30.99
5-£28.67£2.32£30.99
10-£27.89£3.10£30.99
20-£26.34£4.65£30.99
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WCED WTPN06-125 6 Way TPN 3 Phase & Neutral Distribution Board with SPD WCED WTPN06-125 6 Way TPN 3 Phase & Neutral Distribution Board with SPD

WCED WTPN06-125 6 Way TPN 3 Phase & Neutral Distribution Board with SPD

3 In stock
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SKU: WTPN06-125
£137.49
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Live Electrical 3P+N 16A B Curve 30mA Type A RCBO

Live Electrical 3P+N 16A B Curve 30mA Type A RCBO

4 In stock
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SKU: RTN316B-030N
£79.95
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20A Three Phase RCBO - Three Module - 3P+N Pole B Curve 10kA Type A 30mA

Live Electrical 3P+N 20A B Curve 30mA Type A RCBO

3 In stock
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SKU: RTN320B-030N
£79.95
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Live Electrical 3P+N 6A C Curve 30mA Type A RCBO

Live Electrical 3P+N 6A C Curve 30mA Type A RCBO

Delivery usually within 1-3 working days*
SKU: RTN306C-030N
£79.95
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Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA

Live Electrical RNA6C-030 RCBO A Type DP Bi-Directional 6A C Curve 30mA

Delivery usually within 1-3 working days*
SKU: RNA6C-030
£16.06

3-£15.74£0.32£16.06
5-£15.26£0.80£16.06
10-£14.78£1.28£16.06
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Live Electrical FMC14M-SP 11 Way Flush SPD Metal Consumer Unit

Live Electrical FMC14M-SP 11 Way Flush SPD Metal Consumer Unit

1 In stock
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SKU: FMC14M-SP
£69.21
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Unicrimp QGT3B Grommet Strip Edge Roll - 5mm x 8mm x 3M (Black)

Unicrimp QGT3B Grommet Strip Edge Roll – 5mm x 8mm x 3m (Black)

6 In stock
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SKU: QGT3B
£2.63
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Showing 801–820 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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