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   sci.electronics.repair      Fixing electronic equipment      124,925 messages   

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   Message 124,925 of 124,925   
   Liz Tuddenham to Brian Gregory   
   Re: What does 30 kA mean?   
   22 Feb 26 19:59:07   
   
   From: liz@poppyrecords.invalid.invalid   
      
   Brian Gregory  wrote:   
      
   > On 21/02/2026 16:14, Theo wrote:   
   > > In other words, if you apply more than 11A (or whatever the fuse rating is)   
   > > but less than 30,000 amps the fuse promises to become open circuit.  If you   
   > > apply more than 30kA then there is a risk the fuse blows closed-circuit.   
   >   
   > Well. The problem that might occur if the current exceeds 30kA is kind   
   > of unspecified.   
   >   
   > With all good safely made brands of HRC fuse it means the fuse should   
   > stay intact if the peak current is under 30kA, and exceeding 30kA is   
   > likely to cause the fuse to explode and potentially damage other parts   
   > of the equipment it is a part of.   
      
   ...like the venetian blind slats on the other side of the room (yes, it   
   happened to me whlst testing equipment with the covers removed).   
      
   --   
   ~ Liz Tuddenham ~   
   (Remove the ".invalid"s and add ".co.uk" to reply)   
   www.poppyrecords.co.uk   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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