Marathon U523A is a 75 HP, 3600 RPM three-phase general purpose motor with a NEMA 364TS frame and drip proof enclosure. It operates on 190/380-400V at 60 Hz. This Globetrotter series motor is built for continuous industrial duty by Marathon Electric, a Regal Rexnord brand.

Marathon® AC Motor, 2-Pole Continuous-Duty Low Voltage, Fire Pump Motors Application, Squirrel Cage Induction Run Motors Special Features, 75 hp, 190/380 to 400 VAC, 206/103 to 99 A, 60 Hz Frequency, 3 ph ph, 3568 rpm Speed, 1 Speed, IP23 DP Enclosure, 364TS Frame, 1-7/8 in Dia x 3-3/4 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 110 ft-lb Full Load Torque, Rigid Base Mounting, 50 deg C, Insulation Class: Class F, Cast Iron, 29.57 in L x 19.57 in H Dimensions

Features:

• Designed for use on pumps for fire pump duty
• Red paint on 25 hp through 200 hp
• Will accept C-face kits
• Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
• Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage

Specs:

• Service Factor: 1.15
• Special Features: Squirrel Cage Induction Run Motors
• Application Type: Fire Pump Motors
• Insulation Class: Class F
• Shaft Size: 1-7/8 in Dia x 3-3/4 in L Extension
• Torque Rating: 110 ft-lb Full Load
• Phase: 3 ph
• Horsepower: 75 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 364TS
• Bearing Type: Deep Groove Ball
• Temperature Rating: 50 deg C
• Enclosure Type: IP23 DP
• Speed: 3568 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 206/103 to 99 A
• Voltage Rating: 190/380 to 400 VAC
• Dimensions: 29.57 in L x 19.57 in H
• Material: Cast Iron
• Type: 2-Pole Continuous-Duty Low Voltage