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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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Street Lighting Circuit Protection (13)

Showing 1641–1660 of 2370 results

Hager ECM300C Hager 3 Phase kWhmeter via CT 1A or 5A 4M MBUS MID

Hager ECM300C3 Phase kWh Meter via CT 1A or 5A 4M MBUS MID
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: ECM300C
£287.25
Hager ECR300C Hager 3 Phase kWhmeter via CT 1A or 5A 4M MODBUS MID

Hager ECR300C 3 Phase kWh Meter via CT 1A or 5A 4M MODBUS MID
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: ECR300C
£301.61
Hager PGMF300 Hager Hi Flex Voltage Supply Cable - 0.3m

Hager PGMF300 Hi Flex Voltage Supply Cable – 0.3m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF300
£24.06
Hager PGMF500 Hager Hi Flex Voltage Supply Cable - 0.5Hager Hi Flex Voltage Supply Cable - 0.5m

Hager PGMF500 Hi Flex Voltage Supply Cable – 0.5m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF500
£24.06
Hager PGMF1000 Hager Hi Flex Voltage Supply Cable - 1.0m

Hager PGMF1000 Hi Flex Voltage Supply Cable – 1.0m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF1000
£25.42
Hager PGMF1300 Hager Hi Flex Voltage Supply Cable - 1.3m

Hager PGMF1300 Hi Flex Voltage Supply Cable – 1.3m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF1300
£24.53
Hager PGMF2000 Hager Hi Flex Voltage Supply Cable - 2.0m

Hager PGMF2000 Hi Flex Voltage Supply Cable – 2.0m2
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF2000
£28.52
Hager PGMF3000 Hager Hi Flex Voltage Supply Cable - 3.0m

Hager PGMF3000 Hi Flex Voltage Supply Cable – 3.0m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMF3000
£37.44
Hager PGMFT150 Hager Hi Flex Meter to Meter Supply Cable - 0.15m

Hager PGMFT150 Hi Flex Supply Cable – 0.15m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT150
£27.04
Hager PGMFT300 Hager Hi Flex Meter to Meter Supply Cable - 0.3m

Hager PGMFT300 Hi Flex Supply Cable – 0.3m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT300
£28.09
Hager PGMFT1000 Hager Hi Flex Meter to Meter Supply Cable - 1.0m

Hager PGMFT1000 Hi Flex Supply Cable – 1.0m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT1000
£33.49
Hager PGMFT1300 Hager Hi Flex Meter to Meter Supply Cable - 1.3m

Hager PGMFT1300 Hi Flex Supply Cable – 1.3m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT1300
£35.36
Hager PGMFT2000 Hager Hi Flex Meter to Meter Supply Cable - 2.0m

Hager PGMFT2000 Hi Flex Supply Cable – 2.0m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT2000
£37.09
Hager PGMFT3000 Hager Hi Flex Meter to Meter Supply Cable - 3.0m

Hager PGMFT3000 Hi Flex Supply Cable – 3.0m
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: PGMFT3000
£41.59
Hager SRA00505 Hager Bar/Cable-Through Current Transformer BG 213 50/5A 1.5VA Class 1

Hager SRA00505 Bar/Cable-Through Current Transformer BG 213 50/5A 1.5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SRA00505
£32.48
Hager SRA01005 Hager Bar/Cable-Through Current Transformer BG 113 100/5A 2.5VA Class 1

Hager SRA01005 Bar/Cable-Through Current Transformer BG 113 100/5A 2.5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SRA01005
£36.88
Hager SRA01505 Hager Bar/Cable-Through Current Transformer BG 113 150/5A 2.5VA Class 1

Hager SRA01505 Bar/Cable-Through Current Transformer BG 113 150/5A 2.5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SRA01505
£38.71
Hager SRA02005 Hager Bar/Cable-Through Current Transformer BG 113 200/5A 2.5VA Class 1

Hager SRA02005 Bar/Cable-Through Current Transformer BG 113 200/5A 2.5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SRA02005
£40.67
Hager SRA02505 Hager Bar/Cable-Through Current Transformer BG 113 250/5A 2.5VA Class 1

Hager SRA02505 Bar/Cable-Through Current Transformer BG 113 250/5A 2.5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: SRA02505
£42.71
Hager SRC04005 Hager Bar/Cable-Through Current Transformer BG 113 400/5A 5VA Class 1

Hager SRC04005 Bar/Cable-Through Current Transformer BG 113 400/5A 5VA Class 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
Read More
SKU: SRC04005
£47.06

Showing 1641–1660 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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