A 5 HP single phase motor, on 240 volts, should be fed with a 20 amp double
pole breaker. That size breaker would afford full load current protection
for the motor. Check with local code to be sure what is "right" for your
location.

Bob Swinney

g-s338" wrote in message
oups.com...
I have a Marathon catalog number Z506 electric motor, 5HP, 220V single
phase that I adapted on to my 80 gallon air compressor that had an old
2HP 3 phase motor. My house has 220V 50A
single phase circuit available to me. What do I need to wire it to my
house considering safety and reliability issues? Need breakers,
contactors, capacitors? A wiring diagram recommendation would be
extremely useful. I used to rough wire housing tracts but I have not
worked with an electric motor in such an "industrial" type application.
Help!