• UL recognized component listing and CSA certification ensures the product is safe for use within a variety of applications. • Suitable for use on a VFD, 10:1 variable torque and 2:1 constant torque. • Class F insulation(as noted) protects motor for a maximum temperature rating. • 1.15 service factor on sinewave, 1.0 service factor on IGBT power. • Double sealed ball bearings mechanically locked on shaft end.