What size supply fuse is required when installing an electric shower?

Mira manufacture a wide range of electric showers, most of which are available in more than one kilowatt rating.

Listed below are these various kilowatt ratings, alongside the minimum fuse size they require when fed with a 240V electrical supply.

  • 7.5kW - 40 Amp supply fuse
  • 8.5kW - 40 Amp supply fuse
  • 9.0kW - 40 Amp supply fuse
  • 9.5kW - 40 Amp supply fuse
  • 9.8kW - 45 Amp supply fuse
  • 10.8kW - 45 Amp supply fuse
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