Details

Description

Marathon® AC Motor, 8-Pole Continuous/Inverter Duty Low Voltage, Application Type: General Purpose AC Motors, Special Features: Squirrel Cage Induction Run Motors, 250 hp, 460 V AC, 324 A, 60 Hz, 3 ph, 890 rpm, 1 Speed, IP43, TEFC Enclosure, 447/449TZ Frame, 4 in Dia x 8-3/4 in L Extension Shaft, Reversible, Service Factor: 1, Roller Drive End/Deep Groove Ball Opposite Drive End Bearing, 1478 ft-lb Full Load Torque, Rigid Base Mount, 40 deg C, Insulation Class: Class H, Cast Iron, Constant Torque Speed Range: 10:1, Variable Torque Speed Range: 10:1, 56.79 in W x 39.38 in D x 27.61 in H

Features:

Motor will accept a C-face kit
12 leads for wye-delta, part winding on low voltage or across the line starting
1.15 service factor on sinewave, 1 service factor on IGBT power
Standard F1, reversible to F2 assembly
Dual frame mounting holes

Standards/Approval:

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

Warranty:

12 months

Attributes/Specifications

Amperage Rating	324 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	56.79 in W x 39.38 in D x 27.61 in H
Enclosure Type	IP43, TEFC
Frame	447/449TZ
Frequency Rating	60 Hz
Horsepower	250 hp
Insulation Class	Class H
Material	Cast Iron
Mounting Type	Rigid Base
Number of Speeds	1
Phase	3
Rotation	Reversible
Service Factor	1
Shaft Size	4 in Dia x 8-3/4 in L Extension
Manufacturer	Marathon®