Marathon XRI® - Severe Duty® Motor

Our Precision Balanced 3 Phase Electric Motors XRI^® Severe Duty  Line is designed to be used on severe duty environments where long life and ultra-high efficiency are desired.  Ranges from 1 HP – 500 HP, 2, 4 & 6 poles, 230/460 V (up to 30 HP only), 9 leads, 460 V, 575 V, 3 leads – for entire range.  and Bearing Current protection ( BCP) and Max guard Insulation, as noted.