Monday, 24 November 2008

Mains Changeover switch

Today we have had a lot of enquiries about which mains changeover switch to use.
Domestic dwellings in the UK have a 100 amp supply, so any mains changeover switch installed into the electrical system, must be rated at 100 amps, even if it is connected to a 5kw generator which produces 20 amps.

The changeover switch needs to be installed by a qualified electrician. It is positioned after the electricity meter and before the distibution board.

In the event of a power cut, the generator just needs to be switched on and the mains changeover switch turned and the house can carry on almost as normal. If using one of our very popular Hyundai DHY6000SE silenced diesel generators, please be aware that the maximum output is 5kw.

Typically a 5kw generator would power the lights, central heating pump, TV, PCs, fridge, freezer and maybe one other larger appliance.

The automatic mains failure system is asked for more and more these days. However, in most cases this is not necessary, just adding complexity and cost to the installation.

For more details, visit: www.genpoweruk.co.uk

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