Close-Coupled Pump Motors – Open Drip-Proof

The U.S. MOTORS® brand Close-Coupled Pump Motors are designed for centrifugal pump applications requiring robust performance, energy efficiency, and compliance with NEMA standards. These Open Drip-Proof motors are built to deliver maximum efficiency in various demanding industrial environments.

Key Points

  • Available in horsepower ranges from 1 to 60 HP with 3600 and 1800 RPM speeds.
  • Meets NEMA standards, including Class F insulation and operation up to 3,300 feet elevation.
  • Constructed with rolled steel or cast iron frames, depending on frame size.
  • Includes oversized ball bearings, re-greasing provisions (from 180 frame up), and 12-lead WYE-Delta start capability on select models.
  • Designed for centrifugal pump applications with a 1.15 service factor.
  • Offered in JM and JP shaft designs for various mechanical sealing systems.
  • Comes in Energy Efficient and NEMA Premium® Efficient configurations.
  • Supports vertical and footed mounting, with optional footless and 50 Hz/1200 RPM configurations.