I thought this might be of some value to anyone interested. If you need any type of transformer that you can not find anywhere else this company can build any custom transformer and they have a very quick turn around. They cost a little more, but the quality I've seen is top-notch. They do anything from one-off engineering designs to large scale production runs. The name of the company is Regional Manufacturing Specialists, Inc. and they are located in NH, USA. Website is
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Good luck, I hope I've saved some of you some trouble :-)
-mbarker