Marathon Electric Cooling Tower Motor, 3 Ph, 60 Hz, 460 & 460 V, 284T Frame, TEFC

SKU: 284TTFNA7240 Barcode: 722856042262
Regular price $5,524.00 USD
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Cooling Tower Motor, 3 Ph, 60 Hz, 460 & 460 V, 284T Frame, TEFC

Features

  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • Class F insulation
  • Extended grease tubes, Regreasable in service
  • T-drains provided for effective drainage
  • Shaft Slinger, Forsheda seals on both ends
  • Actual test and vibration data supplied with each motor

Specifications

Performance & Electrical
Voltage 460 V
Phase 3
Frequency 60 Hz
Nominal efficiency 91.7%
Power factor 84.5%
Service factor 1.15
Number of poles 4/8
NEMA design 1VT
KVA code J
Duty CONTINUOUS
Starting method ACROSS THE LINE
Main winding resistance .505 Ω
Frame & Mechanical
Frame 284T
Frame material CAST IRON
Frame length 12.75 in
Enclosure TEFC
IP rating IP55
Insulation class F3
Mounting RIGID
Assembly / conduit box F1/F2 CAPABLE
Orientation HORIZONTAL
Rotation REV
Max ambient 40
Shaft & Bearings
Shaft diameter 1 7/8 in
Shaft extension 4.82 in
Shaft type T
C dimension 26.21 in
Drive-end bearing 6311
Drive-end bearing type BALL
Opp. drive-end bearing 6210
Opp. drive-end bearing type BALL
Overload protection NONE
Compliance & Certifications
CE Y
CSA Y
Connection drawing A-EE7322
Outline drawing B-SS311057-1275
Dimensions & Weight
Overall dimensions (L × W × H) 35.00 × 26.00 × 24.51 in
Weight 489.00 lb
Identification
Manufacturer part / model 284TTFNA7240
Catalog number Y385
UPC 722856042262
Product line XRI®-SD
Country of origin United States of America
HTS / tariff code 8501.52.8040
Minimum order qty 1
Order multiple 1
Units per package 1
Catalog status Active

Documentation