Marathon Electric Motors

NEMA Premium XRI Efficiency
3 Phase Totally Enclosed
Rigid Base
1-450 HP

Applications:

• General purpose use on compressors, pumps, conveyors, blowers, and other machinery in dirty and dusty environments.
• Substantial energy savings can be realized when using these high efficiency motors.
• Guaranteed efficiencies offer an extra Return on your Investment when using these premium efficiency motors on high cycle or long run time applications.

Features:

• Meets or exceeds NEMA Premium efficiencies, except where noted
• NEMA Premium models are in compliance with EISA2007
• Suitable for use on a VFD.
• Variable Torque and Constant Torque (as noted)
• 1.15 Service Factor on sinewave,
• 1.0 Service Factor on IGBT power
• F1 conduit box on Rigid Base,
• F3 on C-Face Footed (Rigid Base) motors
• Shaft slinger
• Class F insulation
• 1.15 Service Factor
• Ball bearings (except as noted)
• C-Face Footed models are rated 60/50 Hz, same HP Motors accept C-face kits, as noted
• UL Recognized, CSA Certified and CE Mark
• Three year warranty
• Models through 40 HP are capable of modification as follows (contact factory to confirm):
• 1.25 Service Factor (sinewave only)
• 50Hz at same HP,
• 1.0 Service Factor (sinewave only)
• Certain combinations of existing and new nameplate markings are not possible (contact factory to confirm)
• Any nameplate changes are subject to modification charges (see MOD Central section)
• Contact Marathon Electric for optional nameplate markings on 50 HP and larger