Details

Description

Marathon® AC Motor, 4-Pole Continuous/Inverter Duty Low Voltage, General Purpose AC Motors Application, Squirrel Cage Induction Run Motors Special Features, 300 hp, 575 V AC, 271 A, 60 Hz Frequency, 3 ph, 1785 rpm Speed, 1 Speed, IP43, TEFC Enclosure, 447/449T Frame, 3-3/8 in Dia x 8-3/4 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Roller Drive End/Deep Groove Ball Opposite Drive End Bearing, 883 ft-lb Full Load Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class H, Cast Iron, 10:1 Constant Torque Speed, 10:1 Variable Torque Speed, 28.25 in W x 39.38 in D x 27.61 in H Dimensions

Features:

Motor will accept a C-face kit
Roller bearing on shaft end for belted loads
1.15 service factor on sinewave, 1 service factor on IGBT power

Standards/Approval:

CE Certified
CSA Certified
UL Recognized
NEMA Premium® Efficiency
NEMA Design Code: B

Warranty:

12 months

Attributes/Specifications

Amperage Rating	271 A
Application Type	General Purpose AC Motors
Bearing Type	Roller Drive End/Deep Groove Ball Opposite Drive End
Constant Torque Speed Range	10:1
Dimensions	28.25 in W x 39.38 in D x 27.61 in H
Enclosure Type	IP43, TEFC
Frame	447/449T
Frequency Rating	60 Hz
Horsepower	300 hp
Insulation Class	Class H
Material	Cast Iron
Mounting Type	Rigid Base
Number of Speeds	1
Phase	3
Rotation	Reversible
Service Factor	1.15
Shaft Size	3-3/8 in Dia x 8-3/4 in L Extension
Manufacturer	Marathon®