Dumont RA-103...yep...Delay Relay Open

[Yamamaya42]

Originally Posted by Chris K

I've searched through the forum and found several threads with solutions but I'm wondering if there's a consensus on the best setup to replace this failure prone unit. I'm installing a 12QP4 with an ion trap so the delay warmup really isn't necessary??? I don't know if that's the only reason for it. Can I just close it and not worry about it?

The relay is there to protect the caps from the classic inrush at power up.

given that C6 is rated at 4uf at 150v, a good guess is that coil voltage was around 100v
so something like this may work.

https://www.mouser.com/ProductDetail...0X22clig%3D%3D
never hurts to try!