Quote Originally Posted by cropwell View Post
The only thing I can think of that caused the problem was that the relays are 24vAC and the power supply is a solid 24vDC. The next relay will be DC rated, and I can only think that the AC relay coil limits current to a 'safe' level due to its' inductance.
Eh why would you use a AC relay with DC supply you numpty Rob. .
Would you put AC servo's on your router and Try to run them on DC supply and expect to work correctly.!! . . . . The AC relay didn't limit to a safe level it tolerated it until couldn't tolerate any more then melt down.!!