CHP - Where published, Maximum Constant HP Speed is for Direct Coupled Loads
* For same day shipping of motors over 100 lbs, order before 4 p.m. EST (requires LTL shipment)
** For same day shipping of motors under 100 lbs, order before 5 p.m. EST
Inverter duty motors are suitable for use with Variable Frequency Drives (Inverters), as long as operation is within the published application guidelines.
Good: ~General Purpose motors capable of running on inverters, but not at low speeds (5:1 variable torque speed ratio or better)
Better: ~Inverter Duty motors capable of low speed operation (10:1 constant torque speed ratio or better)
Best: ~ Inverter Duty motors that can supply full torque at near zero speed without overheating (1000:1 constant torque ratio or better)
Warranty service for Marathon motors can be arranged through numerous Marathon Electric service centers
For warranty on Ironhorse motors 50 hp and above, motors must be inspected by an EASA motor repair or service center. See AutomationDirect Terms & Conditions
This selector is not intended to replace common sense, knowledgeable application assistance, or any other method of selection.
We offer a 30-day money-back guarantee on all Ironhorse motors, but please call if you have questions about your selection BEFORE you order.