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Products / NEMA Motors / General Purpose Three Phase / Premium T-Frame Cast Iron Motors
Premium T-Frame Cast Iron Motors Note: Image shown is a representation of the product and may not represent the exact model.

Premium T-Frame Cast Iron Motors

1 - 250HP, PREMIUM EFFICIENT, THREE PHASE, TEFC

  • Overview

  • Features

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  • Models & Pricing

Quick Specs

  • HP 1 to 250
  • PHASE 3
  • FREQUENCY 2, 4 and 6 pole, 50/60Hz
  • VOLTAGE 230/460V (Usable @ 208V), 460V & 575V 60Hz, 190/380V 50Hz
  • MOUNTING Rigid/C-Flange
  • ENCLOSURE Totally Enclosed Fan Cooled (TEFC)

Product Overview

Three phase, enhanced performance cast iron, premium efficient NEMA design A and B motors.

Features a multi-mount arrangement incorporating bolt on feet* or flange mount configuration. 2, 4 and 6 pole, 1 to 250HP, ideal for numerous light and heavy duty industrial and severe applications.


Features

STANDARD FEATURES
  • *Removable feet F1, F2, F0 field convertible up to and including 326T frame, F2 convertible 364T and larger
  • 1.25 Service Factor through 326T frame, 1.15 Service Factor for larger frames with 60Hz operation / 1.0 Service Factor with 50Hz operation
  • 36 Month warranty
  • Cast iron construction with C and D flange kits available
  • Cast iron fan cover standard for all frame sizes
  • Cast iron Conduit Box is 90º rotatable
  • 1045 Steel shaft through 405T, 4140 grade for 444T and larger
  • Regreasable bearings 254T frame and larger
  • Mobil Polyrex EM polyurea grease
  • CSA Certified for Class I, Division II, Groups A, B, C and D / Class I, Zone 2, Groups IIC, IIB, IIA
  • IEEE 45 Marine Duty
  • Anti-microbial (tropicalization) on stator winding
  • Surface finish:
    • 2-Part epoxy coating RAL7024 - Graphite Gray
  • Stainless steel nameplate
  • Corrosion resistant hardware
  • Ultra high strength, reusable lifting straps included with motors 254T frame and larger
OPERATING PARAMETERS
  • Continuous (S1) duty
  • Ambient temperatures up to 40ºC
  • Installation up to 1000 MASL (3300 ft.)

CONNECTION
  • Up to and including 215T Frame:
  • 9-Lead 230V parallel-wye / 460V series-wye connection
  • 3-Lead 575V wye connection
  • 254T Frame and larger:
  • 12-Lead 230V parallel-delta / 460V delta connection
  • 6-Lead 460V or 575V single voltage delta connection

INGRESS PROTECTION

The standard degree of enclosure protection is IP55 (increased IP protection is available). Both drive end and non-drive end are fitted with double lip oil seals, including a rubber shaft slinger on the drive end. Terminal box is double gasketed including nipple seals between conduit box and stator body. DE and NDE end bell fitted with sintered brass one-way drain.


INSULATION AND INVERTER RATING
  • Class F Insulation (Impregnation resin, magnet wire and insulation materials are Class H)
  • Designed to Class B temperature rise
  • Vacuum Impregnated
  • Inverter Rated 15:1 Constant Torque, 30:1 Variable Torque (1.0 S.F. on VFD Power)
  • Exceeds NEMA MG 1 Part 31.4.4.2


Downloads


Models & Pricing

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