On Sat, 3 Oct 2009 23:29:15 +0100, you wrote: >Are RFI filters for inverters generally incompatible with RCDs? I >fitted one to my machine today to try to get rid of the noise from the >VFD which seems to interfere with my encoders and limit switches, >however every time I power up the VFD the lights go out and the power >goes off. > >The garage and shed are fed though a 30mA RCD (a requirement for power >to a shed AFAIK) and that seems to take offence to the Filter. The >filter is marked "nominal leakage curent 20mA" which might be a clue.
I just use a 40A Type 3 MCB, on the circuit for the machines, works fine. I have a 20A RCD which just goes to one double socket near the shop door, that's used for outdoor or portable equipment. Steve Blackmore -- ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
