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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (2012)

Consumer Units

Consumer Units (496)

Circuit Protection Devices

Circuit Protection Devices (1099)

EV Circuit Protection

EV Circuit Protection (116)

Surge Protective Devices

Surge Protective Devices (99)

Three Phase Distribution Boards

Three Phase Distribution Boards (101)

Switch Fuses - Isolators

Switch Fuses - Isolators (201)

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Switch Gear (277)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 2201–2220 of 2448 results

Hager K023 2 Pole Main Line Branch Terminal

Hager | K023 | Main Line Branch Terminal | 2 Pole | 125A | 1x25mm² to 4x16mm²
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: K023
£37.63
Hager K024 4 Pole Main Line Branch Terminal

Hager | K024 | Main Line Branch Terminal | 4 Pole | 125A | 1x25mm² to 4x16mm²
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: K024
£72.52
Live Electrical RNC106C-030N C Curve RCBO 6A

Live Electrical | RNC106C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 6A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC106C-030N
£9.75
Live Electrical RNC110C-030N C Curve RCBO 10A

Live Electrical | RNC110C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 10A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC110C-030N
£9.75
Live Electrical RNC116C-030N C Curve RCBO 16A

Live Electrical | RNC116C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC116C-030N
£9.75
Live Electrical RNC120C-030N C Curve RCBO 20A

Live Electrical | RNC120C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC120C-030N
£9.75
Live Electrical RNC125C-030N C Curve RCBO 25A

Live Electrical | RNC125C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 25A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC125C-030N
£9.75
Live Electrical RNC132C-030N C Curve RCBO 32A

Live Electrical | RNC132C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC132C-030N
£9.75
Live Electrical RNC140C-030N C Curve RCBO 40A

Live Electrical | RNC140C-030N | 6kA 30mA | Type A | Curve C | Bi-Directional Double Pole RCBO | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC140C-030N
£9.75
FuseBox DRISO323P 32A 3 Pole DIN Rail Isolator

FuseBox | DRISO323P | 3 Pole DIN Rail Isolator Switch | AC-23A | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: DRISO323P
£12.98
FuseBox FRIS4P020 20A 4 Pole AC Rotary Isolator

FuseBox | FRIS4P020 | 4 Pole AC Rotary Isolator | IP65 | 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FRIS4P020
£11.92
FuseBox FRIS4P063 63A 4 Pole AC Rotary Isolator

FuseBox | FRIS4P063 | 4 Pole AC Rotary Isolator | IP65 | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FRIS4P063
£20.53
FuseBox FRIS4P080 80A 4 Pole AC Rotary Isolator

FuseBox | FRIS4P080 | 4 Pole AC Rotary Isolator | IP65 | 80A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FRIS4P080
£39.08
FuseBox FRIS4P100 100A 4 Pole AC Rotary Isolator

FuseBox | FRIS4P100 | 4 Pole AC Rotary Isolator | IP65 | 100A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: FRIS4P100
£48.36
SPD1 Type 2 & 3 Single Phase SPD

Surge Protection Devices | SPD1 | Type 2 & 3 Single Phase SPD | 40kA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£31.95
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This product has multiple variants. The options may be chosen on the product page
SPD2 Type 2 & 3 Single Phase SPD

Surge Protection Devices | SPD2 | Type 2 & 3 Single Phase SPD | 40kA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£74.95
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This product has multiple variants. The options may be chosen on the product page
SPD4 Type 2 & 3 Three Phase SPD

Surge Protection Devices | SPD4 | Type 2 & 3 Three Phase SPD | 40kA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£138.95
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This product has multiple variants. The options may be chosen on the product page
LSPD22 Type 1 2 3 Single Phase SPD

Surge Protection Devices | LSPD22 | Type 1, 2 & 3 Single Phase SPD | 12.5kA Per Pole
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£150.95
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This product has multiple variants. The options may be chosen on the product page
LSPD24 Type 1 2 3 Three Phase SPD

Surge Protection Devices | LSPD24 | Type 1, 2 & 3 Three Phase SPD | 12.5kA Per Pole
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£286.95
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This product has multiple variants. The options may be chosen on the product page
LSPD12 Type 1 2 3 Single Phase SPD

Surge Protection Devices | LSPD12 | Type 1, 2 & 3 Single Phase SPD | 25kA Per Pole
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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£232.95
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This product has multiple variants. The options may be chosen on the product page

Showing 2201–2220 of 2448 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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