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Circuit Protection

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Circuit Protection by Brand

Circuit Protection by Brand (1494)

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Meter Boards & Installation Panels (4)

SPD Surge Protection Devices

SPD Surge Protection Devices (109)

matt:e SP-R-SPD Single-Phase EV Consumer Unit with Type A RCBO & Type 2 SPD matt:e SP-R-SPD Single-Phase EV Consumer Unit with Type A RCBO & Type 2 SPD

matt:e SP-R-SPD Single-Phase EV Consumer Unit with Type A C40 RCBO & Type 2 SPD

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SKU: SP-R-SPD
Return Info: Special Product - matt:e Return Policy
£228.25
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matt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOs matt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOs

matt:e EVU-3-32-R Three-Phase EV Consumer Unit with O-PEN® Technology & 3 x 32A Type A RCBOs

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SKU: EVU-3-32-R
Return Info: Special Product - matt:e Return Policy
£566.75
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Niglon MS1003PFS 100A 3 Pole Fused Switch – Mild Steel Enclosure Niglon MS1003PFS 100A 3 Pole Fused Switch – Mild Steel Enclosure

Niglon MS1003PFS 100A 3 Pole Fused Switch – Mild Steel Enclosure

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SKU: MS1003PFS
£174.80
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Niglon DRT20 Mechanical Stair Timer

Niglon DRT20 Mechanical Stair Timer

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SKU: DRT20
£18.10
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Niglon EDB6D 6-Way 400A Earth Busbar with Earth Disconnection Link

Niglon EDB6D 6-Way 400A Earth Busbar with Disconnection Link

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SKU: EDB6D
£75.99
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Niglon EDB6D-8 6-Way 800A Earth Busbar with Link

Niglon EDB6D-8 6-Way 800A Earth Busbar with Disconnection Link

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SKU: EDB6D-8
£98.37
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Niglon EDB10 10-Way 400A Earth Busbar

Niglon EDB10 10-Way Earth Busbar 400A

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SKU: EDB10
£73.62
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Niglon EDB10-8 800A Earth Busbar

Niglon EDB10-8 10-Way Earth Busbar 800A

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SKU: EDB10-8
£97.05
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Niglon EDB6 6-Way 400A Earth Busbar

Niglon EDB6 6-Way Earth Busbar 400A

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SKU: EDB6
£51.55
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Niglon EDB6-8 6-Way Earth Busbar 800A

Niglon EDB6-8 6-Way Earth Busbar 800A

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SKU: EDB6-8
£71.50
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Niglon CF55145 Fan with Filters

Niglon CF55145 19W Panel Fan with Filter

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SKU: CF55145
£21.71
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Niglon CF55250 Panel Fan with Filters

Niglon CF55250 36W Panel Fan with Filter

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SKU: CF55250
£33.10
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Niglon CF55320 65W Panel Fan with Filters

Niglon CF55320 65W Panel Fan with Filter

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SKU: CF55320
£48.89
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Niglon CH100W 100W Passive Panel Heater

Niglon CH100W 100W Passive Panel Heater

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SKU: CH100W
£19.58
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Niglon CH150W 150W Passive Panel Heater

Niglon CH150W 150W Passive Panel Heater

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SKU: CH150W
£25.30
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Niglon CH15W 15W Passive Panel Heater

Niglon CH15W 15W Passive Panel Heater

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SKU: CH15W
£12.07
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Niglon CH250 Compact 250W Panel Fan Heater

Niglon CH250 Compact 250W Panel Fan Heater

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SKU: CH250
£67.84
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Niglon CH350 Compact 350W Panel Fan Heater

Niglon CH350 Compact 350W Panel Fan Heater

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SKU: CH350
£79.14
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Niglon CT60DUAL Panel Thermostat

Niglon CT60DUAL Panel Thermostat

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SKU: CT60DUAL
£11.20
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Niglon CT60HYD Panel Thermostat with Humidistat

Niglon CT60HYD Panel Thermostat with Humidistat

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SKU: CT60HYD
£27.36
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Showing 1561–1580 of 1760 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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