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15HP MARATHON 1800RPM 256TC 230/460V EPNV 3PH MOTOR Y984

Catalog Number:  Y984
Model Number:  256THEN17031
Description:  15HP,1800RPM,256TC,230/460V,EPNV,3PH,60HZ
Design: 2000:1 Constant Torque
Ship Weight:  432 lbs.

This Marathon Motor Can Only Ship Ground Freight
For expedited needs please contact our sales team.

APPLICATIONS: Designed for industrial applications with Vector Drives where up to a 2000:1 constant torque speed range and/or precise speed or torque regulation is required, including positioning equipment. Used in dirty, dusty or caustic environments where cast iron construction is required, and installed in hazardous environments as defined by the motor’s explosion proof class and group rating.


  • BEI H38 explosion proof encoder 1024 ppr, Class I Groups C & D, Class II Groups E, F, G included
  • Cast iron frame and brackets
  • MAX GUARD® Class F insulation system
  • Constant torque operation from 0 to base speed on vector drive
  • Constant HP operation up to twice base speed
  • Continuous duty at 40ºC ambient
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • Normally closed thermostats (one per phase, Class F)
  • Ball Bearings
  • F1 standard, NOT field reversible to F2
  • UL Listed File No. E12044, MC228275
  • CSA Certified File No. LR47504, MC236833
  • Meets temperature code T38
  • Three year warranty
  • Suitable for Group C
  • Footnotes: CD

Phase 3 Insulation Class F
Enclosure EPNV Ambient 40
Mounting C-Face Rigid NEMA Design A
Orientation HORIZONTAL Starting Type INVERTER ONLY
Assembly F1 ONLY KVA Code K
Drive End Bearing BALL IP Code 54
Opposite End Bearing BALL    
Drive End Bearing Size 6309    
Opposite End Bearing Size 6309 Hazardous Location EXP PROOF CL I GR C&D CL II GR F&G T3C
Weight 432 LB lbs Inverter Speed Range CONSTANT 2000:1
UL UL Listed
Thermal Protection Thermostats (Normally Closed)
15HP MARATHON 1800RPM 256TC 230/460V EPNV 3PH MOTOR Y984
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Manufacturer Part Number: Y984
Stock # Y984
Price: $5,879.00
Compare At: $13,542.00

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