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3 hp, 3490 and 2840 rpm, U3P1DF, 208-230/460
Unit of Measure

Specifications

Supplier Name

 N/A US Motors (Nidec)

Manufacturer Part Number

 N/A U3P1DF

Ambient Temperature

 N/A 40 ºC

Base Speed

 N/A 2840 rpm3490 rpm

Duty/Condition Type

 N/A Continuous Duty

Enclosure Type

 N/A Totally Enclosed Fan Cooled (TEFC)

Frame Material

 N/A Steel

Frame Size

 N/A 145T

Frequency

 N/A 50 Hz60 Hz

Full Load Current

 N/A 3.60 A8.10 to 7.20 A

Full Load Efficiency

 N/A 86.50 %

Harmonization Code

 N/A 8501.52.4000

Insulation Class

 N/A F

Power for 2 Poles

 N/A 3 hp

Phase

 N/A 3

Number of Poles

 N/A 2

Supply Voltage

 N/A 208 to 230 V460 V

Mounting Type

 N/A Footed Horizontal

National Electrical Manufacturers Association (NEMA) Design Class

 N/A A

Shaft Diameter

 N/A 0.88 in

Standards Met

 N/A European Conformity (CE) National Electrical Manufacturers Association (NEMA)

Synchronous Speed

 N/A 3600 rpm

Weight

 N/A 53 lb

Applications

Applications

 N/A For general industrial equipment including fans, blowers, compressors, pumps and direct-connected equipment.

Features & Benefits

Features & Benefits

 N/A
  • All motors are NEMA Premium® except where noted in the ‘Type of Efficiency’ column
  • Class F insulation, Class B rise at full load on 60 Hz sine wave power
  • Rolled steel frame (56 - 140)
  • Service factor 1.25
  • Aluminum end shields with steel bearing inserts
  • Oversized diagonally-split conduit box
  • Field convertible to F2 assembly (180 frame and up)
  • 40 ºC ambient, NEMA Design B performance on 60 Hz sine wave power
  • Regreasable shaft-end bearings (180 frame and up)
  • Sealed bearings 56 - 140, double shielded 180 - 280
  • CE mark on nameplate, removable
  • All motors that currently have dual voltage will be upgraded to tri-voltage. Please note the catalog number will change as we transition from dual to tri-voltages. For example: U1P2B (dual voltage 230 / 460) will move to U1P2D (tri-voltage 208-230 / 460 at 60 Hz and 190 / 380 volts on 50 Hz)