Firstly you need to know the application, and any special conditions, whether you require a submersible, contact type, a Infra-red or Microwave (non-contact) type, etc...etc..
It often helps, if you describe all the details firstly and then ask questions.
my interest in this was that I too am...
The motor you are talking about is a three phase motor? if so three wires are for the LIVE current another one is for GROUND and the fifth is for NEUTRAL or most people call it RETURN, in this case the live wires A-B-C would run the machine in one direction and if any two wires are switched the...
