The GE X$DUltra® meets the demands of your application with efficient, long-lasting and reliable performance. Built to the highest industry standards. The Six Star Bearing System™ the life force of a motor, are what keep the X$D Ultra running smoothly. X$D Ultra motors exceed all NEMA minimum guaranteed efficiency levels, and GE guarantees the minimum efficiency levels stamped on the nameplate. GEGARD2400™ insulation systems feature Class H insulation materials and a 1.25 service factor.5-year manufacturer warranty is standard for the X$D Ultra motors. This comprehensive warranty program covers mechanical, electrical and efficiency performance - GE X$D Ultra® 460V 3-Phase F1 Assembly - Foot Mount Totally Enclosed Non-Ventilated Enclosure Extra Severe Duty Motor