Main Switch Consumer Units

Showing 41–49 of 49 results

Live Electrical LSMC24/100 100A Main Switch 22 Way Consumer Unit

Delivery usually within 1-3 working days

SKU: LSMC24/125

£69.14

Niglon PCU1008M Protego 100A Twin Screw Main Switch 8 Way Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU1008M

£34.33

Niglon PCU1412M Protego 100A Twin Screw Main Switch 12 Way Metal Consumer Unit

1 In stock

More available within 1-3 working days

SKU: PCU1412M

£41.96

Niglon PCU1816M Protego 100A Twin Screw Main Switch 16 Way Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU1816M

£46.98

Niglon PCU2220M Protego 100A Twin Screw Main Switch 20 Way Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU2220M

£54.70

Niglon PCU2824M Protego 100A Twin Screw Main Switch 24 Way Dual Row Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU2824M

£118.17

Niglon PCU3632M Protego 100A Twin Screw Main Switch 32 Way Dual Row Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU3632M

£151.74

Niglon PCU0604M Protego 100A Twin Screw Main Switch 4 Way Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU0604M

£27.82

Niglon PCU0402M Protego 100A Twin Screw Main Switch 2 Way Metal Consumer Unit

Delivery usually within 1-3 working days

SKU: PCU0402M

£23.88

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Showing 41–49 of 49 results

The 18th Edition of the IET Wiring Regulations, often referred to as BS 7671:2018, is a comprehensive set of standards that govern the design, installation, inspection, testing, and maintenance of electrical installations in the United Kingdom. This edition of the Wiring Regulations includes important updates and changes compared to previous editions, and it sets the standards for consumer units (also known as distribution boards or fuse boxes) used in electrical installations. Here are some key points related to consumer units in accordance with the 18th Edition of BS 7671:

Arc Fault Detection Devices (AFDDs): One significant change in the 18th Edition is the recommendation for the use of Arc Fault Detection Devices (AFDDs) in consumer units. AFDDs are designed to detect and respond to dangerous electrical arcs, which can potentially lead to fires. While not mandatory in all consumer units, they are recommended in specific situations where fire safety is a concern, such as in residential properties.
Overcurrent Protection: Consumer units should provide overcurrent protection for the circuits they serve. This protection is typically achieved through the use of circuit breakers (MCBs – Miniature Circuit Breakers) or fuses. The selection of these devices should be based on the expected load and the cable sizes used in the installation.
Residual Current Devices (RCDs): The 18th Edition continues to emphasize the use of Residual Current Devices (RCDs) for additional protection against electric shock and fire. Consumer units may incorporate RCDs for specific circuits, especially those supplying sockets and other points used by the public.
Type of Consumer Units: The selection of consumer units should consider the specific application and installation requirements. There are various types of consumer units available, including those designed for domestic, commercial, and industrial installations. The choice should align with the installation’s needs.
Enclosure Material and Design: The 18th Edition specifies requirements for the materials used in the construction of consumer unit enclosures. The enclosure should provide adequate protection against environmental factors, such as dust and moisture.
Labeling and Documentation: Proper labeling and documentation are essential for consumer units. They should be labeled to indicate the circuits they control, and the documentation should include circuit details and the location of the consumer unit for reference and maintenance.
Coordination with Other Protection Devices: Consumer units should be installed in coordination with other protective devices, such as surge protection devices (SPDs), where necessary, and in accordance with the overall electrical protection strategy for the installation.
Installation by Qualified Electricians: Consumer units should be installed by qualified electricians who are familiar with the 18th Edition of BS 7671 and local electrical regulations.
Testing and Inspection: Regular testing and inspection of consumer units and their associated protection devices are essential to ensure that they are functioning correctly and providing the required level of safety.

It’s important to note that the 18th Edition of BS 7671 is periodically updated, and it’s crucial to stay informed about any amendments or changes to the regulations. Additionally, local regulations and requirements may vary, so always consult with a qualified electrician or electrical engineer familiar with the specific regulations and standards applicable to your installation.