bellemore
Jan 14, 2013, 05:01 PM
I have a 7.5 horsepower electric motor,230/460 volts19.3/9.6 1745 rpm. How can I determine what phase it would be by visually looking at it
hfcarson
Jan 15, 2013, 04:24 AM
This is required information to be listed on the nameplate...
stanfortyman
Jan 15, 2013, 05:30 AM
A 460V motor would typically only be 3-phase. Also, the amperage for your 7.5hp motor is in line with 3-phase.
See the chart: NEC Chart Motor Full Load Current (http://www.electricmotorshop.net/index.php?option=com_content&view=article&id=687&Itemid=352)