Originally Posted by Mike CT:
I have installed a 24 VAC relay on one of the Fort Pitt High Railer modules. Works best with a full 18 volts plus, may be even 20 volts if you can get it from a toy train transformer. Less than 18 volts, it won't work.
Kind of what I was thinking, thought it might be more like 20-21 volts to operate them reliably. I would imagine even if the 18 volts worked with these it may cause chattering in certain applications?