Derek, Aircraft primary power controlled by the contacts is simply that, power. The control signal to the coil is interconnecting leads, even if it is originally 28 Vdc primary power. Ken Javor
Phone: (256) 650-5261 > From: Derek Walton <[email protected]> > Date: Wed, 19 Mar 2008 09:50:28 -0500 > To: IEEE EMC Discussion Group <[email protected]> > Subject: DO-160 > > Hi all, > > I'm testing a relay used for switching power on an Aircraft. > > I'm trying to get consensus on the classification of power leads Vs > interconnect leads. > > This device is switching power, so are these leads power leads or > interconnect? Power for the relay circuits comes in separately. > > One can argue the Switched power source wires are Power leads since they > connect to the AC power bus. The output switched wires could be > considered interconnect since they supply loads. However, since they are > also a power source for other circuits they could be considered power too. > > Thoughts? > > Thanks, > > Derek Walton > L F Research > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society > emc-pstc discussion list. Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Scott Douglas [email protected] > Mike Cantwell [email protected] > > For policy questions, send mail to: > > Jim Bacher: [email protected] > David Heald: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
