AO Smith 145JM 3HP Ind. logo
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Century A.O. Smith N157 Industrial 145JM Horizontal 3 HP Three Phase Close-Coupled Pump Motor, 8.5-8.2/4.1A 200-230/460V

SKU #: N157

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Short Description

The Century Industrial Close-Coupled Pump Motor is engineered for a corona-free, 9-lead design with 60Hz and runs at 1HP-25HP.

Pool Motor Features:

  • Ball Bearings
  • Class B or F Insulation
  • Oversize, Locked Shaft End Bearing
  • Frame Suffix Letters JM and JP Designate NEMA Standard Motors
  • Frame Suffix TCZ Designates Century West Coast Pump Standard Motors
  • 60 Hertz
  • 40C Ambient
  • External Slinger


The Century Industrial Close-Coupled Pump Motor is engineered with 60Hz and runs between 1HP-25HP. Available in JM, JP, and TCZ frames, the Century Industrial Motor is Three Phase, sporting ventilation openings for water damage prevention and a 1.0 service factor. It is built with both an oversized, locked shaft end bearing and ball bearings for long lasting use, with both an external slinger and a 40°C Ambient. The Century Industrial Close-Coupled Motor is Class B or Class F insulated, keeping cool at all times to avoid overheating. It is available with 3600RPM and 1800RPM.


Three Phase

Three Phase

Three Phase wiring runs steady and even for dependable performance and provides constant power without requiring a starting capacitor
Different Frame Types

Different Frame Types

The different frame types include: C, J, Y, Z, JM, JP, or TCZ. These letters are combined with numbers to define standard specifications including the way the motor mounts onto the pump, its shaft height, and diameter
Standard Efficiency

Standard Efficiency

This motor is designed with standard efficiency, running at a single speed for consistent and reliable operation