Details

Description

Marathon® AC Motor, 4-Pole Continuous/Inverter Duty Low Voltage, Application Type: Close Coupled Motors, Special Features: Squirrel Cage Inverter Rated Motors, 50 hp, 230/460 V AC, 117/58.5 A, 60 Hz, 3 ph, 1780 rpm, 1 Speed, IP55, TEFC Enclosure, 326JM Frame, 1.296 in Dia x 8.1 in L Extension Shaft, Reversible, Service Factor: 1.15, Deep Groove Ball Bearing, 147.5 ft-lb Full Load Torque, Rigid Base Mount, 40 deg C, Insulation Class: Class F, Cast Iron, Constant Torque Speed Range: 10:1, Variable Torque Speed Range: 10:1, 34.04 in W x 22.32 in D x 19.49 in H

Features:

Standard assembly F1, reversible to F2 assembly
Dual frame mounting holes
Designed to replace PMDC motors (when used with a VFD)
Top mounted conduit box as found on PMDC motors
Eliminates brush and commutator maintenance
Bolt-on removable base for footless mounting option
F1 mounting only, cannot reassemble to F2

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	117/58.5 A
Application Type	Close Coupled Motors
Bearing Type	Deep Groove Ball
Constant Torque Speed Range	10:1
Dimensions	34.04 in W x 22.32 in D x 19.49 in H
Enclosure Type	IP55, TEFC
Frame	326JM
Frequency Rating	60 Hz
Horsepower	50 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	1.296 in Dia x 8.1 in L Extension
Manufacturer	Marathon®