Walker Industrial: Home > Manufacturers > LEESON > AC Motors > 3-Phase > Pump Motors

Pump Motors
AC Motors - 3-Phase Pump Motors

Jet Pump Motors
For use in Commercial and Industrial water pumps and water systems

General Specifications
  • NEMA 56 C-Face mounting face
  • Mechanically locked ball bearing on shaft-end, limits axial shaft movement
  • Quiet operation through “Super Hush” flow-through ventilation system
  • 416 stainless steel shafts
  • Quick Connect terminals to reduce installation time
  • Auto re-set protectors
  • Stator windings impregnated with extra heavy varnish system
  • High overload capacities provided by high service factor ratings
  • Double-sealed ball bearings
  • UL and C.S.A recognized
JP Pump Motors
For use with close-coupled pumps where the pump impeller is mounted directly to the motor shaft in environments that are relatively clean and dry.

General Specifications
  • Use with close-coupled pumps having NEMA JP mounting dimensions
  • Continuous Duty service
  • 1.15 Service Factor rating
  • Mechanically locked bearing – shaft-end limits axial shaft movement
  • UL and C.S.A recognized
  • Capacitor start – capacitor run designs
  • Class F insulation
JM Pump Motors
For use with close-coupled pumps where the pump impeller is mounted directly on the motor shaft in environments that are relatively clean and dry.

General Specifications:

  • Use with close-coupled pumps having NEMA JM mounting dimensions
  • Continuous Duty service
  • 1.15 Service Factor rating
  • Mechanically locked bearing – shaft-end limits axial shaft movement
  • UL and C.S.A recognized
  • Quiet operation through “Super Hush” flow-through ventilation system
  • Class F insulation
Fire Pump
For use on pumps designed for fire pump duty and installed per NFPA-20. These drip-proof motors are intended for installation in relatively clean and dry environments. Fire Pump motors are not recommended for use with variable frequency drives.
  • 25 to 500 horsepower
  • 3600 & 1800 RPM’s
  • 250 frame rolled steel construction
  • 280 frame and larger - cast iron construction
  • EPAct efficiency
  • Ball bearings
  • NEMA design B, code G
  • 230/460 and 460 volt motors rated for 50HZ at next lower HP, with 1.15 S.F. on nameplate
  • Dual voltage motors – 12 leads suitable for Y-Delta, low voltage PWS, and across the line start
  • Single voltage motors – 12 leads suitable for Y-Delta, PWS, and across the line start
  • CFace kits available through 250HP
  • For special designs contact district sales office near you
  • Exterior red paint
  • UL listed and CSA certified (UL1004A) and CE marked
SAE Hydraulic Pump Motors
LEESON Electric introduces its new line of SAE hydraulic pump motors. Our highly engineered pump motor is equipped with a special patent pending regreasing system and flange with interchangeable SAE pump pads and shaft bushings. The special flange will adapt to SAE A to F pump pads. The motor shafts have a standard machined bore that will adapt to a spline or internal keyway shaft extensions.
Specifications:
  • Rolled steel and cast iron construction
  • Rigid base construction
  • 230/460 Volt
  • IRIS™ Inverter insulation system
  • 575 Volt ratings available - contact your local sales office
  • Higher HP SAE Pump motors available - contact your local sales office
Carbonator Pump Motors
Used in liquid transfer pumps that you may see in vending machines ideal for compact pump to motor mount applications.

Features:

  • Interchangeable with OEM units
  • Automatic overload protection
  • Ball bearing designs