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FuseBox F2007M FuseBox F2007M 7 Way RCBO Consumer Unit 1

FuseBox F2007M 7 Way RCBO Consumer Unit

9 In stock
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SKU: F2007M
£29.95
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FuseBox MT06B201 FuseBox MT06B201 20A MCB Curve B 1

FuseBox MT06B201 20A MCB Curve B

24 In stock
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SKU: MT06B201
£1.95
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Live Electrical AFD32B Live Electrical AFDD Combined with Type A 30mA RCBO - 32A

Live Electrical AFDD Combined with Type A 30mA RCBO – 32A

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SKU: AFD32B
£81.50
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WCED WME6 WCED 6 Way Metal Enclosure 1WCED WME6 WCED 6 Way Metal Enclosure 2

WCED 6 Way Metal Enclosure

12 In stock
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SKU: WME6
£22.33

5-£21.77£0.56£22.33
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WCED RCD For Consumer Units

WCED Double Pole Type A 30mA RCBO Curve B – 16A

1 In stock
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SKU: WER16B-030
£16.80
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Hager ADA310G Hager ADA310G RCBO 10A B Type 30mA 6kA

Hager ADA310G RCBO 10A B Type 30mA 6kA

2 In stock
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SKU: ADA310G
£12.99
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Live Electrical CB340C Live Electrical CB340C 3 Pole 40A C Curve 10kA MCB 1Live Electrical CB340C Live Electrical CB340C 3 Pole 40A C Curve 10kA MCB 2

Live Electrical CB340C 3 Pole 40A C Curve 10kA MCB

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SKU: CB340C
£10.99
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Envirograf EBU1 EnviroBurst Automatic Fire Suppression System - 195mm Long Tube 1Envirograf EBU1 EnviroBurst Automatic Fire Suppression System - 195mm Long Tube 2

EnviroBurst Automatic Fire Suppression System – 195mm Long Tube

8 In stock
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SKU: EBU1
£23.97
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Live Electrical CB363C Live Electrical CB363C 3 Pole 63Amps C Curve 10kA MCB 1Live Electrical CB363C Live Electrical CB363C 3 Pole 63Amps C Curve 10kA MCB 2

Live Electrical CB363C 3 Pole 63Amps C Curve 10kA MCB

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SKU: CB363C
£10.99
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Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 1Live Electrical FU100A22 Live Electrical 100A 22x58 Fuse 2

Live Electrical 100A 22×58 Fuse

8 In stock
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SKU: FU100A22
£1.99
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WCED WKB416C WCED 4 Pole 16A C Curve 10 kA MCB 1WCED WKB416C WCED 4 Pole 16A C Curve 10 kA MCB 2

WCED 4 Pole 16A C Curve 10 kA MCB

3 In stock
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SKU: WKB416C
£13.45

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10-£12.58£0.87£13.45
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FuseBox F2011M FuseBox F2011M 11 Way RCBO Consumer Unit 1

FuseBox F2011M 11 Way RCBO Consumer Unit

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SKU: F2011M
£32.90
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FuseBox MT06B401 FuseBox MT06B401 40A MCB Curve B 1

FuseBox MT06B401 40A MCB Curve B

38 In stock
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SKU: MT06B401
£1.95
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WCED WSPD240 Type 2 40kA Surge Arrestor (SPD) 1

Type 2 40kA Surge Arrestor (SPD)

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SKU: WSPD240
£17.16

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10-£15.44£1.72£17.16
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Live Electrical CB163C Live Electrical CB163C 63A Curve C 10kA MCB 1Live Electrical CB163C Live Electrical CB163C 63A Curve C 10kA MCB 2

Live Electrical CB163C 63A Curve C 10kA MCB

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SKU: CB163C
£2.95
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FuseBox EV32AX Fusebox EV32AX EV Charger Supply Unit 32A With SPD 1

Fusebox EV32AX EV Charger Supply Unit 32A With SPD

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SKU: EV32AX
£59.99
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Live Electrical EMCU2-A Live Electrical 2 Way Empty DIN Rail Metal Enclosure With Lid EMCU2-A

Live Electrical EMCU5-A5 Way Empty DIN Rail Metal Enclosure With Lid

6 In stock
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SKU: EMCU5-A
£10.45
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FuseBox IT1002 FuseBox IT1002 100A Double Main Switch 1FuseBox IT1002 FuseBox IT1002 100A Double Main Switch 2

FuseBox IT1002 100A Double Main Switch

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SKU: IT1002
£4.15
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Envirograf EBU2 EnviroBurst Automatic Fire Suppression System - 300mm Long Tube 1Envirograf EBU2 EnviroBurst Automatic Fire Suppression System - 300mm Long Tube 2

EnviroBurst Automatic Fire Suppression System – 300mm Long Tube

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SKU: EBU2
£36.88
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WCED WER06C-030 WCED Double Pole Type A 30mA RCBO Curve C - 6A

WCED Double Pole Type A 30mA RCBO Curve C – 32A

3 In stock
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SKU: WER32C-030
£16.80
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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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