Marathon GT1237A 50 HP, 1800 RPM three-phase general purpose motor with a NEMA 326TC frame and Totally Enclosed Fan Cooled enclosure. Operates on 230/460V at 60 Hz with a 1.15 service factor. This Globetrotter series motor is built for continuous industrial duty.

Marathon® AC Motor, 4-Pole Continuous/Inverter Duty Low Voltage, Application Type: General Purpose AC Motors, Special Features: Squirrel Cage Inverter Rated Motors, 50 hp, 230/460 VAC, 117/58.5 A, 60 Hz, 3 ph, 1780 rpm, 1 Speed, IP55 TEFC Enclosure, 326TC Frame, 2-1/8 in Dia x 5-1/4 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, 31.19 in W x 22.32 in D x 19.49 in H

Features:

• Standard assembly F1, reversible to F2 assembly
• Dual frame mounting holes
• 12 leads for wye-delta, part winding on low voltage or across the line starting

Specs:

• Variable Torque Speed Range: 10:1
• Constant Torque Speed Range: 10:1
• Service Factor: 1.15
• Special Features: Squirrel Cage Inverter Rated Motors
• Application Type: General Purpose AC Motors
• Insulation Class: Class F
• Shaft Size: 2-1/8 in Dia x 5-1/4 in L Extension
• Torque Rating: 147.5 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 50 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 326TC
• Bearing Type: Deep Groove Ball
• Temperature Rating: 40 deg C
• Enclosure Type: IP55 TEFC
• Speed: 1780 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 117/58.5 A
• Voltage Rating: 230/460 VAC
• Dimensions: 31.19 in W x 22.32 in D x 19.49 in H
• Material: Cast Iron
• Type: 4-Pole Continuous/Inverter Duty Low Voltage