This week’s hashtag#MotorTalkMonday – Motor Voltage and 208V exception
All ABB/Baldor motors are designed to run at +/- 10% of the voltage listed on the main voltage line of a motor nameplate
For example:
460V – A motor rated for 460V can successfully operate from 414V to 506V.
230V – A motor rated for 230V can successfully operate from 207V to 253V.
One of the key things we always point out, and also due to some new DOE rules, is that motors nameplated for 230V are not necessarily good to run on a 208V system. If a motor rated for 230V is put on a 208V system and consistently sees 207V or higher, the motor should have no problem running.
HOWEVER, if that 230V motor running on a 208V system only sees 200V or 190V (or somewhere in between), that motor may not be successful at that operation anymore. If a motor is specified to run on a 208V or 200V system, we highly recommend that you use a motor nameplated specifically for 200V, 208V, 208-230V or 208-230/460V. The voltages listed on the voltage line of a nameplate must be all capable of running +/- 10% of that voltage. You would be covered if you put any of those ratings on a true 200V or 208V system.
Check out the link in the comments for more information!
