Is is possible to use a Hornby C7024 4amp transformer to power a Bachman EZ digital controller? The reason being the price of a 5 amp bachman transformer compared to the 4 amp C7024. If it is possible then will the Hornby controller just plug in or do I need an electronics degree ?
I think you're confusing transformers and controllers. They are _not_ the same thing. A transformer merely changes the voltage of a power source (in this case, it drops the voltage). A controller varies the current available to the engine (or other device.) So which is the C7024: a pure transformer, or a controller? If the latter, I would advise against using it as a power source for the Bachmann EZ digital. IMO it's never worth it to try to save a few pounds on power sources and controllers. If you keep the 7024, use it to power house lights and street lamps and such.
That being said, if the C7024 provides about 18V uncontrolled AC, then it will work as a _power source_ for the Bachmann EZ controller. You will probably have to change the wire ends (terminals, plugs) to connect it to the EX controller. NB that at 4 amps output, the Hornby may not provide enough current to power as many locomotives at the same time as you would like. Since the EZ controller is designed to demand up to 5 amps, you could burn out the Hornby transformer.
If the C7024 is a controller, it will also provide variable DC current to the track. Do not under any circumstances connect those terminals to the Bachmann EZ controller. Do not try to control the digital controller via the Hornby C7024.
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