Marathon Y938 500 HP, 1800 RPM three-phase general purpose motor with a 5011LX NEMA frame and Totally Enclosed Fan Cooled (TEFC) enclosure. Operates on 2300/4000V at 60 Hz. Designed for continuous industrial duty with a 1.15 service factor.

Marathon® AC Motor, 4-Pole Continuous-Duty, Medium Voltage Motors Special Features, 500 hp, 2300/4000 VAC, 110/63.5 A, 60 Hz Frequency, 3 ph ph, 1785 rpm Speed, 1 Speed, Totally Enclosed Fan Cooled (TEFC) Enclosure, 5011LX Frame, 3.88 in Dia x 12.3 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 1842 ft-lb Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class H, Cast Iron, 73.8 in L x 48.16 in W x 28.13 in H Dimensions

Features:

• Open Conrad radial ball bearings rated for 100000 hour B-10 life on direct-coupled loads
• Oversized cast iron conduit box
• Epoxy 100% solids, Vacuum Pressure Impregnation (VPI) resin
• Grease fittings with extended grease tubes
• Internal and external epoxy paint finish
• Front and rear cast iron bearing caps
• Actual test and vibration data supplied with each motor
• Provisions for jacking bolts in all four feet
• Rotating shaft seals, Inpro® smart rings on each end
• Provisions for dowel pins in drive end feet
• Ground provisions on foot and in the conduit box
• Dedicated 5009 frame for vertical applications
• Frames drilled with four sets of foot holes (5009, 5010, 5011, 5012)
• Horizontal motor orientation
• Squirrel cage induction run

Specs:

• Service Factor: 1.15
• Special Features: Medium Voltage Motors
• Insulation Class: Class H
• Shaft Size: 3.88 in Dia x 12.3 in L
• Torque Rating: 1842 ft-lb
• Phase: 3 ph
• Horsepower: 500 hp
• Number of Speeds: 1
• Rotation: Reversible
• Frame: 5011LX
• Bearing Type: Ball
• Temperature Rating: 40 deg C
• Enclosure Type: Totally Enclosed Fan Cooled (TEFC)
• Speed: 1785 rpm
• Frequency Rating: 60 Hz
• Mounting Type: Rigid Base
• Amperage Rating: 110/63.5 A
• Voltage Rating: 2300/4000 VAC
• Dimensions: 73.8 in L x 48.16 in W x 28.13 in H
• Material: Cast Iron
• Type: 4-Pole Continuous-Duty