About Motors

Vertical Hollow Shaft Motors

Vertical Hollow Shaft Motors

Designed primarily for veritcal turbine pump applications. These motors are built to NEMA standards and have special bearing arrangements to carry heavy thrust loads.


  • Meets or exceeds NEMA performance standards
  • Class B Temperature Rise @ 1.15 Service Factor
  • Inverter Rated (10:1 variable torque)
  • Oversized angular contact bearing and ball bearing
  • Enclosure: WP1 - Open weather-protected machine Type
  • Large reservoir
  • High Torque
  • Cast Iron Construction
  • Hi-Thrust Design
  • Suitable for Part Wind Start at 230V
  • Precision Balancing
  • Suitable for Part Wind Start at 460V
  • Thermal Protected as standard
  • Class F insulation system, class B rise at full load
  • Space Heaters as standard
JM Frame

JM Frame Close Coupled Pump Motors

Specifically designed for use on industrial and commercial pumps.

  • 1-50 Horse Power
  • 3600 and 1800 RPM
  • Cast Iron Construction
  • Inverter Rated
  • EISA Compliant High Efficiency Design
  • Inverter Rated 10:1 Variable Torque and 5:1 Constant Torque
  • FC 200 Grade Cast Iron Frame with Solid Cast Iron Double Punched Feet
  • Heavy Guage Steel Fan Cover
  • TEFC, IP55 Protection as Standard
  • Oversized Cast Iron Conduit Box
  • Oversized Bearings on Both Drive End and Opposite Drive End
  • Spike Resistant Wire up to 1000 Volts
  • Class F Insulation System with Class H VPI Epoxy Resin Protection
  • Greasable Bearings on 250 Frames and Larger — All Geasable Bearings have Grease Relief Ports
  • 1045 Carbon Steel Shaft
  • C-Face as Standard
  • Usable on 575V at 1.0 Service Factor

Other Motor Product (not listed)