250HP MARATHON 1785RPM 447/9T TEFC 3PH MOTOR Y579A

APPLICATIONS: Designed for inverter or vector applications where up to a 2000:1 constant torque speed range is required. Typical uses include: material handling, machine tools, conveyors, crane and hoist, metal processing, test stands, pumps, compressors, textile processing, and other industrial machinery installed in dusty or dirty environments where cast iron construction is required.

FEATURES:

• Blue Chip quality, cast iron frame and brackets
• MAX GUARD® Class H inverter rated insulation system exceeds NEMA MG1 Part 31 
• 2000:1 Constant torque operation from 0 to base speed on vector drive
• Constant Horsepower operation up to 1.5 times base RPM
• Normally closed thermostats (one per phase, class F)
• 40°C Ambient 1.0SF inverter power
• Patented “fracket” design (TEBC enclosure)
• Double-shielded ball bearings
• Provisions Only for Encoder
• UL Recognized, CSA Certified, and CE Mark
• Three year warranty