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Type B rcd availability

Baldyhugh

Hi

would anyone know of a supplier where I could get my hands on a 100A 100ma type B double pole rcd? I need one to supply three variable speed inverters. I’ve done the usual google searches but can only find 30ma ones and only rated up to 63A. 
 

Thanks in advance

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  • 0

    Hang on, this “tripping of type A or AC” is NOT why you fit a type B! 

     

    Well said Dave.

     

    I had a customer, a friend. New build extension, Granny flat type thingy if you will. From Cut out to switchfuse  then to it`s own DB , couple of rings, couple of lighting circuits , a couple of radials, pretty bog standard. RCD protection of course. Removed RCD because it kept tripping. I discovered that on a ring final (B32) he put a car lift that was 3 phase on his single phase circuit - it had a single phase converter to run it. (surge anyone?) he ran it from output of granny flat main switch in the DB therefore the only OPD in line was the switchfuse near the cut out.

     

     

Reply
  • 0

    Hang on, this “tripping of type A or AC” is NOT why you fit a type B! 

     

    Well said Dave.

     

    I had a customer, a friend. New build extension, Granny flat type thingy if you will. From Cut out to switchfuse  then to it`s own DB , couple of rings, couple of lighting circuits , a couple of radials, pretty bog standard. RCD protection of course. Removed RCD because it kept tripping. I discovered that on a ring final (B32) he put a car lift that was 3 phase on his single phase circuit - it had a single phase converter to run it. (surge anyone?) he ran it from output of granny flat main switch in the DB therefore the only OPD in line was the switchfuse near the cut out.

     

     

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