COMPANY HEADER
Print Back
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

Specifications

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 304.3

Nom. Eff.

 N/A 96.5

Frame

 N/A 449T

Price Symbol

 N/A G4-7AS

C Dimension

 N/A 59.38 in

Weight

 N/A 2890 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

Standard Features

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

Features

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