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20 HP, 1800 RPM, NEMA Frame 256TPA, 230/460 V, WPI

Applications:
For use on turbine, mix flow and propeller pumps.
Unit of Measure

Specifications

Type

 AU

Usage

 Vertical Pump

Enclosure Type

 Weather Protected Type I

Phase

 Three

HP

 20

RPM

 1800

Voltage

 230 V460 V

Full Line Effi.

 89.5

Frame

 256TPA

Disc. Sym.

 DS-7VS

Down Thrust

 3300 lbs

Base Dia.

 16 1/2 in

Cplg. Ht.

 23 3/8 in

Cplg. BX

 1 in

Cplg. Key Size

 1/4

Ship Wt.

 300 lbs

Service Factor

 1.15

Manufacturer
Emerson/US Motors

Features

N/A

  • Class F Insulation, Class B Rise at Full Load (Sine Wave Power)
  • 1.15 Service Factor (Sine Wave Power)
  • Maximum 40ºC Ambient, 3300 Feet Altitude
  • 230/460 Volt Motors Suitable for 230 Volt Part Winding Start
  • 30 HP & Below Can Be Rerated For 208/415 Volt
  • 50 Hertz Operation at 1.0 Service Factor
  • Suitable For Operation on VFD Per NEMA MG-1 Part 30 At 1.0 Service Factor
  • 115 Volt Space Heater Through 250 HP
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Weather Protected Holloshaft
  • Stainless Steel Nameplate
  • NRR = Non-Reverse Ratchet, SRC = Self-Release Coupling
  • Discount Symbol 7VS