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

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

Features:
  • Class F Insulation, Class B Rise at Full Load (Sine Wave Power)
  • 1.15 Service Factor (Sine Wave Power)
  • Maximum 40ºC Ambient, 3,300 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
  • Inverter Duty Per NEMA® MG-1 Part 31 At 1.0 Service Factor
  • 115 Volt Space Heater (through 250HP)
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Weather Protected Holloshaft
  • Premium Efficient Design, Special Balance
  • NRR = Non-Reverse Ratchet, SRC = Self-Release Coupling
  • Discount Symbol 7VS
  • All non-Emerson Electric Co. marks shown within this document are properties of their other respective owners
Unit of Measure

Specifications

Type

 N/A AUI

Usage

 N/A Vertical Pump

Enclosure Type

 N/A Weather Protected Type I

Phase

 N/A Three

HP

 N/A 20

RPM

 N/A 1800

Voltage

 N/A 230 V460 V

Full Line Effi.

 N/A 92.4

Frame

 N/A 256TPH

Disc. Sym.

 N/A DS-7VS

Down Thrust

 N/A 3300 lbs

Base Dia.

 N/A 12 in

Cplg. Ht.

 N/A 24 3/4 in

Cplg. BX

 N/A 1 in

Cplg. Key Size

 N/A 1/4

Ship Wt.

 N/A 300 lbs

Service Factor

 N/A 1.15

Manufacturer

 N/A
Emerson/US Motors

Features

N/A

  • Inverter Duty with Inverter Grade® Insulation System
  • Equipped with Winding Thermostat
  • Inverter Duty with Inverter Grade® Insulation System
  • Class F Insulation, Class B Rise at Full Load (Sine Wave Power)
  • 1.15 Service Factor (Sine Wave Power)
  • Maximum 40ºC Ambient, 3,300 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
  • Inverter Duty Per NEMA® MG-1 Part 31 At 1.0 Service Factor
  • 115 Volt Space Heater (through 250HP)
  • Corrosion Resistant Mill & Chemical Duty Paint
  • Weather Protected Holloshaft
  • Premium Efficient Design, Special Balance
  • NRR = Non-Reverse Ratchet, SRC = Self-Release Coupling
  • Discount Symbol 7VS
  • All non-Emerson Electric Co. marks shown within this document are properties of their other respective owners