Marathon Motors 300 HP Vector Motor,3-Phase,1785 Nameplate RPM,460 Voltage,Frame 447/9T – 449THFS8047

Vector Motor; Motor Application: Crane; Motor Design: 3-Phase; Motor Enclosure Design: Totally Enclosed Blower-Cooled; HP: 300; Nameplate RPM: 1785; Speed Range: 2000:1 CT; Max. Speed: 2,800 RPM; Frame: 447/9T; Max. Operating Frequency: 90 Hz; Voltage: 460; Hz: 60; Phase: 3; Full Load Amps: 327; Motor Mounting Type: Rigid Base; Motor Mounting Position: Horizontal; Motor Shaft Rotation: CW/CCW; Motor Bearings: Ball; Motor Service Factor: 1; Motor Thermal Protection: T-Stat; Ins. Class: H; Insulation Feature: Class F; Ambient Temperature: 40 Degrees C; Nominal Efficiency: 86.5 %; Motor Efficiency Group: Energy Efficient; NEMA Design: A; Motor Frame Material: Cast Iron; Finish: Blue Enamel; Base: Rigid; Duty: Continuous; Encoder Acceptable: Yes; Encoder Shaft: 1 in x 1-3/4 in; Motor Shaft Design: Keyed; Shaft Dia.: 3 3/8 in; Shaft Length: 8 3/4 in; Overall Length: 64 5/16 in; Standards: CE, CSA Certified (LR2025), UL Recognized (E49747); Warranty: 3 yr; RPM Range: 1701-1800; Voltage Compatibility: 208-230/460, 460