Marathon GT0461 20 HP, 3600 RPM three-phase JM pump motor with a 254JM NEMA frame and drip proof enclosure. Operates on 208-230/460V at 60 Hz with a 1.15 service factor. This close-coupled pump motor features a C-face mounting with threaded shaft for JM pump applications.

Marathon® AC Motor, 2-Pole Continuous/Inverter Duty Low Voltage, Application Type: Close Coupled Motors, Special Features: Squirrel Cage Inverter Rated Motors, 20 hp, 230/460 VAC, 48/24 A, 60 Hz, 3 ph, 3552 rpm, 1 Speed, IP22 DP Enclosure, 254JM Frame, 1.249 in Dia x 5-1/2 in L Extension Shaft, Reversible, Service Factor: 1.15, Deep Groove Ball Bearing, 29.6 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, 24.41 in L

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 5-1/2 in L Extension
• Torque Rating: 29.6 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 20 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 254JM
• Bearing Type: Deep Groove Ball
• Temperature Rating: 40 deg C
• Enclosure Type: IP22 DP
• Speed: 3552 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 48/24 A
• Voltage Rating: 230/460 VAC
• Dimensions: 24.41 in L
• Material: Rolled Steel
• Type: 2-Pole Continuous/Inverter Duty Low Voltage