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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1941)

Consumer Units

Consumer Units (477)

Circuit Protection Devices

Circuit Protection Devices (1068)

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SPD Surge Protection Devices (124)

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Three Phase Distribution Boards (93)

Switch Fuses - Isolators

Switch Fuses - Isolators (176)

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Switch Gear (266)

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Street Lighting Circuit Protection (13)

Showing 2221–2240 of 2370 results

Timeguard TX3903 Circuit Label Sheet

Timeguard | TX3903 | Circuit Label Sheet
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3903
£3.15
Timeguard TX3901 Door Lock & 2 Keys

Timeguard | TX3901 | Door Lock & 2 Keys
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3901
£6.99
Timeguard TX3904 MCB Lock

Timeguard | TX3904 | MCB Lock
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3904
£12.30
Timeguard TX3906 Consumer Unit Branded Visor

Timeguard | TX3906 | Consumer Unit Branded Visor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3906
£4.41
Timeguard TX3913 SPD 1 Module

Timeguard | TX3913 | Type 2 SPD for TX Consumer Units
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3913
£20.16
Timeguard TX3910 Flush Mounting Frame

Timeguard | TX3910| 14 Module Flush Mounting Frame
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3910
£16.18
Timeguard TX3911 Flush Mounting Frame

Timeguard | TX3911 | 18 Module Flush Mounting Frame
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3911
£19.18
Timeguard TX3912 Flush Mounting Frame 22 Module

Timeguard | TX3912 | 22 Module Flush Mounting Frame
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TX3912
£22.00
Deligo MC202NCP1 2NC 20A 230V AC Modular Contactor

Deligo | MC202NCP1 | 2NC 20A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC202NCP1
£10.43
Deligo MC202P1 2NO 20A 230V AC Modular Contactor

Deligo | MC202P1 | 2NO 20A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC202P1
£9.06
Deligo MC252NCP1 2NC 25A 230V AC Modular Contactor

Deligo | MC252NCP1 | 2NC 25A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC252NCP1
£11.20
Deligo MC252P1 2NO 25A 230V AC Modular Contactor

Deligo | MC252P1 | 2NO 25A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC252P1
£11.33
Deligo MC254NCP2 4NC 25A 230V AC Modular Contactor

Deligo | MC254NCP2 | 4NC 25A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC254NCP2
£21.54
Deligo MC254P2 4NO 25A 230V AC Modular Contactor

Deligo | MC254P2 | 4NO 25A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC254P2
£18.73
Deligo MC404NCP3 4NC 40A 230V AC Modular Contactor

Deligo | MC404NCP3 | 4NC 40A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC404NCP3
£31.08
Deligo MC404P3 4NO 63A 230V AC Modular Contactor

Deligo | MC404P3 | 4NO 63A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC404P3
£27.03
Deligo MC634P3 4NO 63A 230V AC Modular Contactor

Deligo | MC634P3 | 4NO 63A AC1 230V AC | Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: MC634P3
£31.32
1000V DC 1 String Solar Combiner BoxWCED | WPPV-1S1 | 1000V DC Solar Combiner Box | IP65 | 1 String In 1 String Out

WCED | WPPV-1S1 | 1000V DC Solar Combiner Box | IP65 | 1 String In 1 String Out
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPPV-1S1
£63.91
1000V DC 2 String Solar Combiner Box1000V DC Dual String PV Protection with Integrated Isolator & Surge Protection

WCED | WPPV-2S2 | 1000V DC Solar Combiner Box | IP65 | 2 String In 2 String Out
Out of Stock
This item cannot be back-ordered
SKU: WPPV-2S2
£107.22
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1000V DC 2 String Metal Solar Combiner BoxWCED | WMPV-2S2 | 1000V DC Metal Solar Combiner Box | IP65 | 2 String In 2 String Out

WCED | WMPV-2S2 | 1000V DC Metal Solar Combiner Box | IP65 | 2 String In 2 String Out
Out of Stock
This item cannot be back-ordered
SKU: WMPV-2S2
£104.16
Read more

Showing 2221–2240 of 2370 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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