Details

Description

Marathon® AC Motor, 2-Pole Continuous/Inverter-Duty Low Voltage, Close Coupled Motors Application, Squirrel Cage Inverter Rated Motors Special Features, 20 hp, 230/460 V AC, 47.5/23.7 A, 60 Hz Frequency, 3 ph, 3540 rpm Speed, 1 Speed, IP55, TEFC Enclosure, 256JP Frame, 1-3/8 in Dia x 8.37 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 29.7 ft-lb Full Load Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 10:1 Constant Torque Speed, 10:1 Variable Torque Speed, 30.76 in W x 17.38 in D x 15.14 in H Dimensions

Features:

Standard assembly F1, reversible to F2 assembly
Nameplated 60/50 hertz, 190/380 V at next lower HP

Standards/Approval:

CE Certified
CSA Certified
Compliance with EISA2007 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D Temperature Code T2B
NEMA Premium® Efficiency
UL Listed
NEMA Design Code: B

Warranty:

12 months

Attributes/Specifications

Amperage Rating	47.5/23.7 A
Application Type	Close Coupled Motors
Bearing Type	Deep Groove Ball
Constant Torque Speed Range	10:1
Dimensions	30.76 in W x 17.38 in D x 15.14 in H
Enclosure Type	IP55, TEFC
Frame	256JP
Frequency Rating	60 Hz
Horsepower	20 hp
Insulation Class	Class F
Material	Cast Iron
Mounting Type	Rigid Base
Number of Speeds	1
Phase	3
Rotation	Reversible
Service Factor	1.15
Shaft Size	1-3/8 in Dia x 8.37 in L Extension
Manufacturer	Marathon®