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300 HP, 1800 RPM, NEMA Frame 449T, 460 V, TEFC

Designed for use in blowers, fans, pumps, conveyors, material handling, compressors, and other inverter duty applications.
Unit of Measure

Base

 N/A Ftd

Enclosure Type

 N/A Totally Enclosed Blower Cooled

HP

 N/A 300

RPM

 N/A 1800

Voltage

 N/A 460 V

Prot.

 N/A Tstat

FLA

 N/A 336

Nom. Eff.

 N/A 96.5

Frame

 N/A 449T

Price Symbol

 N/A G4-7AS

C Dimension

 N/A 63.78 in

Weight

 N/A 3110 lbs

Norm. Stk.

 N/A No

SF on Drive

 N/A 1.00

Certification

 N/A
GEGARD 2000™

Features & Benefits

 N/A
  • Standard Features
  • Infinity:1 CT Speed Range CH to 90 Hz
  • IGBT Compatible
  • N/C thermostat
  • Opp. DE mounting face & stub shaft for tach mounting
  • C-Face foot mount thru 30 HP
  • Cast Iron Frame & Brackets
  • Class F Insulation
  • 440 Fr have insulated ODE brg/Grd brush

Manufacturer

 N/A
GE

Poles

 N/A 4

Frequency

 N/A 60 Hz

NEMA Design

 N/A A

Agency Approvals

 N/A CSA - Motors UL - Component and Insulation System Recognition

Altitude

 N/A 3300 ft

Ambient Temperature

 N/A 40 ºC

Balance/Vibration

 N/A 0.055 in/sec

Bearing Caps

 N/A Both ends are gasketed

Bearing Protection

 N/A Recessed Slinger, Inpro Seal kit available

Bearing Type

 N/A Ball

Centered Core

 N/A Allows F1-F2 field conversion

Conduit Box

 N/A Gasketed and rotatable, Fabricated Steel

Cooling

 N/A Totally Enclosed Blower Cooled also available

Drains

 N/A Brass T-drains

End Shield

 N/A Cast Iron

Fan

 N/A Bronze Non-Sparking Plastic

Fan Cover

 N/A Cast Iron

Fasteners

 N/A SAE, Grade 5

Foot Draft Angle

 N/A ±5 º

Foot Flatness

 N/A 0.005 in

Frame Material

 N/A Cast Iron

Grease

 N/A Polyurea

Ground

 N/A Ground lug in Conduit Box

Insulation Class

 N/A Class F (Class H materials with Class F leads)

Insulation System

 N/A Non-Hygroscopic, Anti-Fungus, meets NEMA MG1-31

Inverter Capabilities

 N/A Variable Torque inf:1, Constant Torque inf:1

L10 Bearing Life

 N/A Direct Coupled: 130000 hrs, Belted: 26280 hrs, Belted L10a: 50000

Lifting Means

 N/A 2 Lugs cast into frame

Mounting

 N/A F1

Mounting Holes

 N/A 2 per foot

Nameplate

 N/A Stainless Steel includes Weight, Vibration Limit, Service Factor, Speed Range Constant Torque and Constant HP

Paint

 N/A Gray, Epoxyester

Relubrication

 N/A Both ends, extended through the fan cover

Rotor

 N/A Cast Aluminum

Shaft TIR

 N/A Meets IEEE 841, 0.001 in for shaft diameter 1.625 in and smaller, 0.0015 in for shaft diameter greater than 1.625 in.

Tach Mounting

 N/A ODE C-face provision for tach mounting. 8.5" rabbet
Temperature Rise1 N/A 80 ºC

Tests

 N/A NEMA Routine Report including Vibration supplied with motor, IEEE 112

Thermal Protection

 N/A 3 NC Thermostats

Time Rating

 N/A Continuous

Vibration Pads

 N/A Cast in vibration pads for repeatable measurements

Warranty

 N/A 12 months from date of purchase or 18 months from date of shipment, whichever occurs first

N/A

  • Insulated ODE bearing and shaft ground brush on DE
  • Opposite drive end C-face and stub shaft
  • 1 At 1.0 SF sine wave power, 105°C PWM power