Marathon GT2477 50 HP, 1800 RPM three-phase JP pump motor with a 326JP NEMA frame and drip proof enclosure. Operates on 230/460V at 60 Hz with a 1.15 service factor. Designed for close-coupled industrial pump applications.

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 VAC, 118/59 A, 60 Hz, 3 ph, 1780 rpm, 1 Speed, IP22 DP Enclosure, 326JP Frame, 1.249 in Dia x 8.37 in L Extension Shaft, Reversible, Service Factor: 1.15, Deep Groove Ball Bearing, 147 ft-lb Full Load Torque, Rigid Base Mount, 40 deg C, Insulation Class: Class F, Rolled Steel, Constant Torque Speed Range: 10:1, Variable Torque Speed Range: 2:1, 33 in L x 17.92 in H

Features:

• Standard assembly F1, reversible to F2 assembly
• Dual frame mounting holes
• Nameplated 60/50 Hz, 190/380 V at next lower horsepower

Specs:

• Variable Torque Speed Range: 2:1
• Constant Torque Speed Range: 10:1
• Service Factor: 1.15
• Special Features: Squirrel Cage Inverter Rated Motors
• Application Type: Close Coupled Motors
• Insulation Class: Class F
• Shaft Size: 1.249 in Dia x 8.37 in L Extension
• Torque Rating: 147 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 50 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 326JP
• Bearing Type: Deep Groove Ball
• Temperature Rating: 40 deg C
• Enclosure Type: IP22 DP
• Speed: 1780 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 118/59 A
• Voltage Rating: 230/460 VAC
• Dimensions: 33 in L x 17.92 in H
• Material: Rolled Steel
• Type: 4-Pole Continuous/Inverter Duty Low Voltage