COMPANY HEADER
Print Back
250 HP, 1800 RPM, NEMA Frame 449T, 575 V ,
    The X$D Ultra® family of products range from 1-300 HP and is built to the highest standards to maximize your return on investment. X$D Ultra is a complete cast iron motor exceeding NEMA Premium® Efficiency standards. The Six Star Bearing System™ ensures long bearing life and is complemented by an overall vibration of 0.04 ips (inches per second), which is half of IEEE-841 standards. The X$D Ultra also, incorporates GEGARD2000™ insulation system which
more
Unit of Measure

Specifications

Enclosure Type

Totally Enclosed Fan Cooled

HP

250

RPM

1800

Voltage

575 V

FLA

224.0

Nom. Eff.

96.2

Guar. Min. Eff.

95.8

Price Symbol

G4-7U

Frame

449T

C Dimension

54.12 in

Weight

2790 lbs

Norm. Stk.

No

Certification


EIS Act 2007 Compliant

GEGARD 2400™

NEMA Premium

Manufacturer


GE

Standard Features

Poles

2 4 6 8

Efficiency

Meets or Exceeds NEMA Premium nominal. Exceeds all NEMA Premium minimum efficiencies.

Frequency

50 Hz

NEMA Design

B

Agency Approvals

C-390 CSA - Motors UL - Component and Insulation System Recognition

Altitude

3300 ft
Ambient Temperature1 40 ºC

Balance/Vibration

2P: 0.0003 in (P-P) 4P: 0.0004 in (P-P) 6P: 0.0005 in (P-P) 8P: 0.0007 in (P-P)

Bearing Caps

Both ends are gasketed

Bearing Housing Rise

65 ºC

Bearing Protection

Recessed Slinger, Inpro Seal kit available

Bearing Type

Roller

Centered Core

Allows F1-F2 field conversion

Conduit Box

Gasketed and rotatable, Cast iron

Div. 2 Temp Codes

An optional Division 2 Nameplate or a statement of maximum internal and external surface temperature can be provided.

Drains

Stainless Steel T-drains in lowest section of both endshields

End Shield

Cast Iron

Fan

Bronze Non-Sparking Plastic

Fan Cover

Cast Iron

Fasteners

SAE, Grade 5

Foot Draft Angle

±1.5 º

Foot Flatness

0.005 in

Frame Material

Cast Iron

Grease

Polyurea

Ground

Ground lug in Conduit Box

Industry Specifications

Meets IEEE 45 Marine Duty

Insulation Class

Class H

Inverter Capabilities

Variable Torque inf:1, Constant Torque 20:1

L10 Bearing Life

Direct Coupled: 130000 hrs, Belted: 26280 hrs, Belted L10a: 50000

Lifting Means

4 Lugs cast into frame

Mounting

F1 as Standard and Modifiable to F2

Mounting Holes

2 per foot

Nameplate

Stainless Steel includes Weight, 3/4 Load Efficiency, Vibration Limit, Alternate Ambient and Service Factor

Paint

Buff, Epoxyester

Relubrication

Both ends, extended through the fan cover

Rotor

Cast Aluminum
Service Factor2 1.25

Shaft TIR

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

Tach kits for field modifications are available
Temperature Rise3 80 ºC

Tests

NEMA Routine Report including Vibration supplied with motor, IEEE 112

Time Rating

Continuous

Vibration Pads

Cast in vibration pads for repeatable measurements

Warranty

36 months from date of purchase, 42 months from date of shipment, whichever occurs first

Features

N/A

  • For belted load only. Roller Bearing on drive-end.

  • 1 Alternate rating 65ۜC @ 1.0 SF
  • 2 1.15, Alternate rating 65°C @ 1.0 SF
    1.25 for 320 frames & larger @ 40°C; all other frames 1.15
  • 3 At 1.0 SF