Marathon Electric Severe Duty Motor, 300 HP, 3 Ph, 60 Hz, 460 V, 1200 & 1200 RPM, 449T Frame, TEFC

SKU: 449THFCD9078 Barcode: 722856202369
Regular price $62,393.00 USD
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Severe Duty Motor, 300 HP, 3 Ph, 60 Hz, 460 V, 1200 & 1200 RPM, 449T Frame, TEFC

Features

  • Meets or exceeds NEMA Premium® efficiencies
  • Meets IEEE-841 standard for severe duty applications
  • Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B
  • Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
  • IP56 protection
  • MAX GUARD® Class H insulation system
  • Constant torque for inverter duty

Specifications

Performance & Electrical
Power 300 HP
Power (dual rating) 300 HP
Power 224.0 kW
Voltage 460 V
Phase 3
Frequency 60 Hz
Speed (max) 1189 RPM
Speed (dual) 1189 RPM
Full-load current 342.0 A
Current (dual) 342.0 A
Nominal efficiency 95.8%
Power factor 86%
Service factor 1.15
Number of poles 6
Number of speeds 1
NEMA design B
KVA code G
Duty Continuous
Electrical type Squirrel Cage Inverter Rated
Starting method Line Or Inverter
Main winding resistance .0119 Ω
Frame & Mechanical
Frame 449T
Frame size 449
Frame suffix T
Frame material Cast Iron
Enclosure Totally Enclosed Fan Cooled
IP rating IP56
Insulation class H
Mounting Rigid Base
Assembly / conduit box F1 ONLY
Orientation Horizontal
Rotation Reversible
Max ambient 40°C
Shaft & Bearings
Shaft diameter 3.375 in
Shaft type T
Drive-end bearing 6319
Drive-end bearing type Ball
Opp. drive-end bearing 6317
Opp. drive-end bearing type Ball
Overload protection No Protection
Compliance & Certifications
CE Y
CSA Y
UL Listed
Hazardous location DIVISION 2 T2B
Connection drawing EE7300
Outline drawing SS620973
Dimensions & Weight
Overall dimensions (L × W × H) 56.00 × 46.00 × 40.00 in
Weight 3,200.00 lb
Identification
Manufacturer part / model 449THFCD9078
Catalog number W657
UPC 722856202369
Product line Blue Chip® XRI®-841 / Automotive
Country of origin Mexico
Minimum order qty 1
Order multiple 1
Units per package 1
Catalog status Active

Documentation