Regal Beloit: microMAX Inverter Duty Motor

February 3, 2021

The Marathon brand has a developed reputation for conservative motor designs and highly engineered products used in a vast array of commercial and industrial applications around the world. 

Designed for VFD applications requiring full rated torque at zero speed.

Class H insulation system with CR200 magnet wire delivers long, dependable motor life under the adverse thermal and dielectric stresses imposed by the high switching frequencies associated with PWM drives.

– Continuous Duty at 40°C ambient.

– Rolled steel construction with external epoxy coatings.   

– C-Face footed and footless.

– Top mounted terminal box.

– Three year warranty.


  • – Power Rating: 1/8HP to 10HP
  • – Voltage: 230VAC, 230/460VAC & 575VAC 50/60HZ
  • – 1000:1 constant torque speed range 
  • – Class H insulation system with CR200 magnet wire
  • – NEMA Design A 


  • – Broadest product offering that is designed for commercial and industrial applications
  • – Wide voltage/frequency range meets global requirements
  • – Constant torque from 0 to base speed, constant HP to 2X base speed
  • – Designed to operate optimally with all leading brands of PWM drives to guarantee years of trouble-free operation
  • – Optimized for operation with IGBT inverters  


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