Overview Product Description Y590 Blue MAX 2000:1 Constant Torque 1-1/2 HP Totally Enclosed Rigid Base, and C-Face with Rigid Base 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 strands, pumps, compressors, textile processing, and other industrial machinery installed in dusty or dirty environments where cast iron construction is required Features: MAX GUARD Class H insulation system (Class H on catalog models only), Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz drives, TEFC motors are limited to 20:1 constant torque), Constant HP operation to twice base speed (143-256 frame); 1.5 times base (all others), Optimized for operation with IGBT inverter, C-Face foot mount through 100 HP (as noted) Normally closed thermostats (one per phase, Class F), Continuous duty at 40 degrees C ambient, 1.0 Service Factor ("B" rise on TEBC motors), Blue chip quality, cast iron frame and brackets, Patented "fracketed" design (TEBC enclosure), Ball Bearings (roller bearing available 360 frame & larger), Field reversible to F2, Encoder provisions included on opposite drive end (see Modification and/or Accessory Kits sections), UL Recognized, CSA Certified, and CE Marked, Three year warranty 1-1/2 HP 1800 RPM 230/460 Volts TENV Enclosure 145TC Frame 4.6/2.3 Amps Cross Reference: 145THTN8037 Product Videos Custom Field Product Reviews