Hello, I do not know if they are the right physical size but Graybar and real Electrical Supply companies have magnetic circuit breakers. 73 Keith de KE4TEG At 06:59 PM 07/01/2002 -0400, Xppq at aol.com wrote: >Where does one get the 18 amp magnetic >circuit breakers that protect the older TT transceivers >when using NOT TT power supplies???