Marathon R637 TCA-series 20 HP, 1800 RPM three-phase IEC metric general purpose motor with a 160L frame and Totally Enclosed Fan Cooled enclosure. Operates on 230/460V at 60 Hz. Designed for international metric mounting standards.

Marathon® AC Motor, 4-Pole Continuous-Duty Low Voltage, Series: TerraMAX® TCA, General Purpose AC Motors Application, IEC Metric Squirrel Cage Inverter Rated Motors Special Features, 20 hp, 230/460 VAC, 50/25.1 A, 60 Hz Frequency, 3 ph ph, 1775 rpm Speed, 1 Speed, IP55 TEFC Enclosure, 160M Frame, 1.654 in Dia x 4.33 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 59.2 ft-lb Full Load Torque, Round Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 2:1 Constant Torque Speed, 10:1 Variable Torque Speed, 665.988 mm L x 436 mm H Dimensions

Features:

• Industries broadest product offering that is designed for tough environments
• User friendly terminal boxes
• Low operation cost
• Low CO2 emissions and environmental friendly
• Wide voltage/frequency range meeting global requirements
• Performance matched to all leading brands of PWM drives guaranteeing years of trouble free operation
• Direct drop-in replacement
• IEC design "N" with NEMA "B" torques

Specs:

• Variable Torque Speed Range: 10:1
• Constant Torque Speed Range: 2:1
• Service Factor: 1.15
• Special Features: IEC Metric Squirrel Cage Inverter Rated Motors
• Application Type: General Purpose AC Motors
• Insulation Class: Class F
• Shaft Size: 1.654 in Dia x 4.33 in L Extension
• Torque Rating: 59.2 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 20 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 160M
• Bearing Type: Deep Groove Ball
• Temperature Rating: 40 deg C
• Enclosure Type: IP55 TEFC
• Speed: 1775 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Round
• Amperage Rating: 50/25.1 A
• Voltage Rating: 230/460 VAC
• Dimensions: 665.988 mm L x 436 mm H
• Material: Cast Iron
• Type: 4-Pole Continuous-Duty Low Voltage
• Series: TerraMAX® TCA