Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!portal!cup.portal.com!mmm
From: mmm@cup.portal.com (Mark Robert Thorson)
Newsgroups: sci.electronics
Subject: Re: Latching Relay - does such a thing exist
Message-ID: <22343@cup.portal.com>
Date: 21 Sep 89 03:35:38 GMT
References: <3558@dgis.daitc.mil>
Organization: The Portal System (TM)
Lines: 5

Lots of companies make what you describe.  Teledyne makes it in a TO-5 can!

You might consider whether an SCR can do what you want.  An SCR is sort of
like a latching relay in that it does not need a sustained control voltage
to remain closed.