Marathon GT1025A 20 HP, 1800 RPM three-phase general purpose motor with a NEMA 256T frame and Totally Enclosed Fan Cooled enclosure. Operates on 208-230/460V at 60 Hz with 1.15 service factor. Designed for continuous industrial duty applications.

Marathon® Globetrotter® AC Motor, 4-Pole Continuous-Duty, General Purpose AC Motors Application, Inverter Ready Special Features, 20 hp, 208 to 230/460 VAC, 53 to 48.5/24.2 A, 60 Hz Frequency, 3 ph ph, 1768 rpm Speed, 1 Speed, Totally Enclosed Fan Cooled (TEFC) Enclosure, 256T Frame, 1.63 in Dia x 4 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 74.7 ft-lb Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 10:1 Constant Torque Speed, 10:1 Variable Torque Speed, 25.89 in L x 17.05 in W x 15.14 in H Dimensions

Features:

• Standard assembly F1 and reversible to F2 assembly
• IP55 construction
• Hazardous Duty™ motors division 2 UL certification nameplate
• Division 2/zone 2 class 1 (gases), groups A, B, C, D
• Meets temperature code T2B
• Horizontal motor orientation
• Squirrel cage inverter rated

Specs:

• Variable Torque Speed Range: 10:1
• Constant Torque Speed Range: 10:1
• Service Factor: 1.15
• Special Features: Inverter Ready
• Application Type: General Purpose AC Motors
• Insulation Class: Class F
• Shaft Size: 1.63 in Dia x 4 in L
• Torque Rating: 74.7 ft-lb
• Phase: 3 ph
• Horsepower: 20 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 256T
• Bearing Type: Ball
• Temperature Rating: 40 deg C
• Enclosure Type: Totally Enclosed Fan Cooled (TEFC)
• Speed: 1768 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 53 to 48.5/24.2 A
• Voltage Rating: 208 to 230/460 VAC
• Dimensions: 25.89 in L x 17.05 in W x 15.14 in H
• Material: Cast Iron
• Type: 4-Pole Continuous-Duty