An 11 KW oven connected at 240v 1 PH would draw 45.83A, at 208v 1PH it would draw 52.9 and at 208v 3PH, 30.56. I don't know what the 3.5A could mean unless it's the rating of a single element in a multi- element oven.
[This message has been edited by Gregtaylor (edited 03-23-2006).]