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Circuit Protection

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Live Electrical TPN24-125 Live Electrical TPN24-125 125A 24 Way TPN Distribution Board 1Live Electrical TPN24-125 Live Electrical TPN24-125 125A 24 Way TPN Distribution Board 2

Live Electrical TPN24-125 125A 24 Way TPN Distribution Board

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SKU: TPN24-125
£299.90
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Live Electrical TPN12-250 250A Live Electrical 12 Way TPN Distribution Board 1Live Electrical TPN12-250 250A Live Electrical 12 Way TPN Distribution Board 2

250A Live Electrical 12 Way TPN Distribution Board

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SKU: TPN12-250
£361.27
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Live Electrical TPN16-250 250A Live Electrical 16 Way TPN Distribution Board 1Live Electrical TPN16-250 250A Live Electrical 16 Way TPN Distribution Board 2

250A Live Electrical 16 Way TPN Distribution Board

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SKU: TPN16-250
£449.39
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Live Electrical TPN18-250 250A Live Electrical 18 Way TPN Distribution Board 1Live Electrical TPN18-250 250A Live Electrical 18 Way TPN Distribution Board 2

250A Live Electrical 18 Way TPN Distribution Board

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SKU: TPN18-250
£474.16
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Live Electrical TPN24-250 250A Live Electrical 24 Way TPN Distribution Board 1Live Electrical TPN24-250 250A Live Electrical 24 Way TPN Distribution Board 2

250A Live Electrical 24 Way TPN Distribution Board

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SKU: TPN24-250
£632.22
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Hager MTN163 MCB 6kA B-63

Hager MTN163 MCB 6kA B-63

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SKU: MTN163
£2.45
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Hager VML10606 Hager VML10606 Dual Row 6+6 Way Main Switch Consumer Unit

Hager VML10606 Dual Row 6+6 Way Main Switch Consumer Unit

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SKU: VML10606
£106.10
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Hager JFB302U Hager JFB302U 20A TPN Metal Fused Switch

Hager JFB302U 20A TPN Metal Fused Switch

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SKU: JFB302U
£155.66
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Hager JFB303U Hager JFB303U 32A TPN Metal Fused Switch 

Hager JFB303U 32A TPN Metal Fused Switch 

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SKU: JFB303U
£207.26
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Hager JFD306U Hager JFD306U 63A TPN Metal Fused Switch

Hager JFD306U 63A TPN Metal Fused Switch

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SKU: JFD306U
£326.53
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Hager JFE310U Hager JFE310U 100A TPN Metal Fused Switch 1

Hager JFE310U 100A TPN Metal Fused Switch

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SKU: JFE310U
£563.24
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Hager JFG312U Hager JFG312U 125A TPN Metal Fused Switch 1Hager JFG312U Hager JFG312U 125A TPN Metal Fused Switch 2

Hager JFG312U 125A TPN Metal Fused Switch

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SKU: JFG312U
£606.78
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Hager JFG316U Hager JFG316U 160A TPN Metal Fused Switch

Hager JFG316U 160A TPN Metal Fused Switch

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SKU: JFG316U
£992.51
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Hager JFG320U Hager JFG320U 200A TPN Metal Fused Switch

Hager JFG320U 200A TPN Metal Fused Switch

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SKU: JFG320U
£1,001.73
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Hager JFG325U Hager JFG325U 250A TPN Metal Fused Switch

Hager JFG325U 250A TPN Metal Fused Switch

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£1,269.93
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Hager JFH331U Hager JFH331U 315A TPN Metal Fused Switch 1Hager JFH331U Hager JFH331U 315A TPN Metal Fused Switch 2

Hager JFH331U 315A TPN Metal Fused Switch

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£1,732.86
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Hager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 1Hager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 2

Hager JFH340U 400A TPN Metal Fused Switch

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SKU: JFH340U
£1,914.17
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Hager JK106BA3 Hager JK106BA3 125A 6 Way TPN Board with Plain Door (Amendment 3)

Hager JK106BA3 125A 6 Way TPN Board with Plain Door (Amendment 3)

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SKU: JK106BA3
£166.89
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Hager JK116BA3 Hager JK116BA3 125A 16 Way TPN Board with Plain Door (Amendment 3)

Hager JK116BA3 125A 16 Way TPN Board with Plain Door (Amendment 3)

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£312.41
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Hager JK118BA3 Hager JK118BA3 125A 18 Way TPN Board with Plain Door (Amendment 3)

Hager JK118BA3 125A 18 Way TPN Board with Plain Door (Amendment 3)

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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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