400 Hz filter

[lfresea...@aol.com]

Hi All,
 
looking for a filter for a shield room. Needs to be 400 Hz capable, and good
for 230 Vac if possible. Anything above 30 Amps would be good.
 
Anyone have one lying about on the shelf?
 
Thanks,
 
Derek N. Walton
Owner, L F Research EMI Design and Test Facility
Poplar Grove,
IL 61065