Marathon Y1645 300 HP, 1800 RPM three-phase Globetrotter general purpose motor with NEMA 449T frame and totally enclosed fan cooled enclosure. Operates on 460V at 60 Hz. Designed for industrial applications requiring reliable TEFC performance.

Marathon® AC Motor, 4-Pole Continuous-Duty, Fire Pump Motors Application, 300 hp, 460 VAC, 335 A, 60 Hz Frequency, 3 ph ph, 1788 rpm Speed, 1 Speed, Totally Enclosed Fan Cooled (TEFC) Enclosure, 447/449T Frame, 3.38 in Dia x 8.75 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 1105 ft-lb Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 51.86 in L x 39.38 in W x 27.61 in H Dimensions

Features:

• Red paint exterior
• NEMA design B, code G or less
• Single voltage motors have 12 leads and are suitable for wye-delta and across the line or part winding start
• Motors accept c-face kits
• Horizontal motor orientation
• Squirrel cage induction run

Specs:

• Service Factor: 1.15
• Application Type: Fire Pump Motors
• Insulation Class: Class F
• Shaft Size: 3.38 in Dia x 8.75 in L
• Torque Rating: 1105 ft-lb
• Phase: 3 ph
• Horsepower: 300 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 447/449T
• Bearing Type: Ball
• Temperature Rating: 40 deg C
• Enclosure Type: Totally Enclosed Fan Cooled (TEFC)
• Speed: 1788 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 335 A
• Voltage Rating: 460 VAC
• Dimensions: 51.86 in L x 39.38 in W x 27.61 in H
• Material: Cast Iron
• Type: 4-Pole Continuous-Duty