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Author Topic: Relay sources? David E. Nedrow Master Film Handler Posts: 368 From: Columbus, OH, USA Registered: Oct 2008 posted 04-05-2010 07:21 PM                        I picked up a couple of Xetrol IV dimmers (total cost was basically a 1.5 hour drive to Cincinnati). Through some part swapping, I've got one functional unit. I >think< the problem with the other is a bad relay. Anyone know of a source for hard-to-find parts like this? It's a Guardian Electric 1310 Series, pt# A410-362625-12. Or, is there such a thing as a relay cross-reference somewhere that might point to a matching relay from another manufacturer? Google hasn't revealed much as yet. -David  |  IP: Logged Jim Cassedy Phenomenal Film Handler Posts: 1661 From: San Francisco, CA Registered: Dec 2006 posted 04-07-2010 09:24 AM                     This may be a stupid question, but have you tried swapping the relays to be sure one of them is bad? I got a couple of Xetrol IV's out of an old theater for about the same price you did, and I also had one that wasn't working. At first I too suspected the relay, but in my case it turned out to be that the 12volt(AC) transformer that supplies power to the relay coil was bad. I was able to find a workable replacement at my local Radio Shack. As for the relays themselves- - I don't know of a cross cross reference, although one may exist. But the relays used in the Xetrol are 12Volt AC- either 3PDT or 4PDT depending on when your unit was made. I don't think you'd find these at Rat Shack, but this would be a very easy to find item at any large electronic supply store. OR- I just did a quick search on E-bay and came up with over a 100 listings of both types, most of them new & unused. Check the listings and the pictures and you may find the one you're looking for. Good Luck!  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 04-07-2010 04:52 PM                     They conform to the P&B KHAU series like the KHAU17A11-12 or KHU17A12-12. There are other manufacturers of this relay too. It is a pretty standard base. Most places that stock the relay will have the 12VDC version rather than the 12VAC version so pay attention. Steve  |  IP: Logged

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