Hi Mark,

I’ve seen mains filters used for 400 V 3 ph. 200A services with leakage 
currents close to 30 mA. Consider that RCBOs commonly used outside North 
America have a design trip current of 30 mA, so leakage currents above 30 mA 
will cause the RCBO to trip. None the less, these large leakage currents can be 
startling the first time you see them “in the wild”.

Doug Nix
[email protected]
+1 (519) 729-5704

> On 1-Feb-22, at 13:24, Stultz, Mark 
> <[email protected]> wrote:
> 
> Hello, <>
> Is there a hard limit for leakage current for machinery in the EU?  IEC 
> 60204-1 provides instructions in clause 8.2.8 for “equipment having earth 
> leakage currents higher than 10 mA”.  This seems quite high so we have 
> applied the 3.5 mA limits for class 1 stationary equipment in IEC 60335-1.  
> Is there another source for leakage current limits that is 
> machinery-specific?  There is nothing in the type-C standard for this product 
> type.
> 
> Thanks,
> 
> Mark Stultz
> 
> 
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