The only transformers and coils that they turn on are in a seperate power box approx. 25 feet away. We installed snubber networks and MOVs on both the relays and the coils.
I am a new engineer (just a year out of school) and am working on a project for my company and need to get some information. We are having problems with our mercury wetted relays that we use on our I/O board. They seem to stick open randomly (after one use or many uses, doesn't matter). We...