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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)

Niglon PRCBO10D3-40 40A 3 Phase Type A 10kA RCBO

Niglon PRCBO10D3-40 40A 3 Phase Type A 10kA RCBO

Out of stock
This item cannot be back-ordered
SKU: PRCBO10D3-40
£74.76
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Niglon PRCBO10D3-50 50A 3 Phase Type A 10kA RCBO

Niglon PRCBO10D3-50 50A 3 Phase Type A 10kA RCBO

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This item cannot be back-ordered
SKU: PRCBO10D3-50
£74.76
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Garo SIDC416IP65 16A 4 Pole DC Rotary IsolatorGaro SIDC416IP65 16A 4 Pole DC Rotary Isolator

Garo SIDC416IP65 16A 4 Pole DC Rotary Isolator

Delivery usually within 1-3 working days*
SKU: SIDC416IP65
£17.85

3-£17.49£0.36£17.85
5-£16.96£0.89£17.85
10-£16.07£1.79£17.85
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Hager VML112SPDRK consumer unit kit with built-in SPD, 6 RCBOs, 2-module EV RCBO, and meter tails gland Hager VML112SPDRK/EV EV Consumer Unit Kit - 12 Usable Ways, 6 RCBOs of your choice and 1 Designed for EV Charging 2 Module RCBO

Hager VML112SPDRK/EV Consumer Unit Kit with 6 RCBOs and Dedicated EV Charging RCBO

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SKU: VML112SPDRK/EV
£185.29
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Live Electrical RNC06B-30N – 6A Double Pole Single Module RCBO

Live Electrical RNC06B-30N – B6A Double Pole Single Module RCBO

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SKU: RNC06B-30N
£10.53
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Live Electrical RNC10B-30N – 10A Double Pole Single Module RCBO

Live Electrical RNC10B-30N – B10A Double Pole Single Module RCBO

Delivery usually within 1-3 working days*
SKU: RNC10B-30N
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Live Electrical RNC16B-30N – 16A Double Pole Single Module RCBO

Live Electrical RNC16B-30N – B16A Double Pole Single Module RCBO

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SKU: RNC16B-30N
£10.53
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Live Electrical RNC20B-30N – 20A Double Pole Single Module RCBO

Live Electrical RNC20B-30N – B20A Double Pole Single Module RCBO

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SKU: RNC20B-30N
£10.53
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Live Electrical RNC25B-30N – 25A Double Pole Single Module RCBO

Live Electrical RNC25B-30N – B25A Double Pole Single Module RCBO

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SKU: RNC25B-30N
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Live Electrical RNC32B-30N – 32A Double Pole Single Module RCBO

Live Electrical RNC32B-30N – B32A Double Pole Single Module RCBO

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SKU: RNC32B-30N
£10.53
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Live Electrical RNC40B-30N – 40A Double Pole Single Module RCBO

Live Electrical RNC40B-30N – B40A Double Pole Single Module RCBO

Delivery usually within 1-3 working days*
SKU: RNC40B-30N
£10.53
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Live Electrical RNC06C-30N – 6A Double Pole Single Module RCBO

Live Electrical RNC06C-30N – C6A Double Pole Single Module RCBO

Delivery usually within 1-3 working days*
SKU: RNC06C-30N
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Live Electrical RNC10C-30N – 10A Double Pole Single Module RCBO

Live Electrical RNC10C-30N – C10A Double Pole Single Module RCBO

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SKU: RNC10C-30N
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Live Electrical RNC16C-30N – 16A Double Pole Single Module RCBO

Live Electrical RNC16C-30N – C16A Double Pole Single Module RCBO

Delivery usually within 1-3 working days*
SKU: RNC16C-30N
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Live Electrical RNC20C-30N – 20A Double Pole Single Module RCBO

Live Electrical RNC20C-30N – C20A Double Pole Single Module RCBO

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SKU: RNC20C-30N
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Live Electrical RNC25C-30N – 25A Double Pole Single Module RCBO

Live Electrical RNC25C-30N – C25A Double Pole Single Module RCBO

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SKU: RNC25C-30N
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Live Electrical RNC32C-30N – 32A Double Pole Single Module RCBO

Live Electrical RNC32C-30N – C32A Double Pole Single Module RCBO

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SKU: RNC32C-30N
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Live Electrical RNC40C-30N – 40A Double Pole Single Module RCBO

Live Electrical RNC40C-30N – C40A Double Pole Single Module RCBO

Delivery usually within 1-3 working days*
SKU: RNC40C-30N
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Garo GS8EV40CPME EV Consumer Unit with PEN Fault Detection | C40A RCBO Type A + SPD Garo GS8EV40CPME EV Consumer Unit with PEN Fault Detection | C40A RCBO Type A + SPD

Garo GS8EV40CPME EV Consumer Unit with PEN Fault Detection | C40A RCBO Type A + SPD

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SKU: GS8EV40CPME
£115.00
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Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection Garo GCS8EV40CPME – EV Consumer Unit with PEN Fault Detection, Surge Protection and 40A Curve C Type A RCBO

Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection

4 In stock
More available within 1-3 working days*
SKU: GCS8EV40CPME
£115.00
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Showing 1741–1760 of 1763 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.

Thousands of products in stock ready for next day delivery. Friendly and reliable service, competitive prices.

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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