"Harry Bloomfield" wrote in message
. uk...
Vass wrote :
My condenser tumble dryer keeps tripping the main 80A switch on my CU.

Might that be an RCD type 80A?

sorry yes, wrong term apols


It runs fine (on half heat setting) for about 40 mins, then trips.

Sounds like an RCD trip rather than a trip on over current.

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Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk