Marathon L426A 404TTFS16103 is a 50 HP, 900 RPM three-phase electric motor with a NEMA 404T frame and Totally Enclosed Fan Cooled enclosure. It operates on 460V at 60 Hz with a 1.15 service factor. This general-purpose motor is manufactured by Marathon Electric, a Regal Rexnord brand, to industrial duty standards.

Marathon® AC Motor, 8-Pole Continuous/Inverter Duty Low Voltage, General Purpose AC Motors Application, Squirrel Cage Inverter Rated Motors Special Features, 50 hp, 460 VAC, 66 A, 60 Hz Frequency, 3 ph ph, 890 rpm Speed, 1 Speed, IP43 TEFC Enclosure, 404T Frame, 2-7/8 in Dia x 7-1/4 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 295 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, 37.13 in W x 30.72 in D x 24.15 in H Dimensions

Features:

• Motor will accept a C-face kit
• Threaded NPT opening in conduit box
• 1.15 service factor on sinewave, 1 service factor on IGBT power
• Rated 60/50 Hz, 190/380 or 380 V at next lower horsepower

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: 2-7/8 in Dia x 7-1/4 in L Extension
• Torque Rating: 295 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 50 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 404T
• Bearing Type: Deep Groove Ball
• Temperature Rating: 40 deg C
• Enclosure Type: IP43 TEFC
• Speed: 890 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 66 A
• Voltage Rating: 460 VAC
• Dimensions: 37.13 in W x 30.72 in D x 24.15 in H
• Material: Cast Iron
• Type: 8-Pole Continuous/Inverter Duty Low Voltage