Marathon E774A 449TTFCD6577 250 HP, 1200 RPM three-phase general purpose motor with a NEMA 449T frame and Totally Enclosed Fan Cooled enclosure. Operates on 460V at 60 Hz with a 1.15 service factor. Built to industrial duty standards.

Ambient temperature (°C)

40

Assembly/box mounting

F1/F2 CAPABLE

CE

Y

Country of Origin

Mexico

CSA

Y

Current

285.0 A

Design code

B

Drive end bearing

Ball

Drive end bearing size

6319

Duty

Continuous

Efficiency

95.8 %

Electrical type

Squirrel Cage Inverter Rated

Enclosure

Totally enclosed fan cooled

Frame

449T

Frame Material

Cast iron

Frequency

60 Hz

Hazardous Location

DIVISION 2 T2B

Insulation class

H

Inverter Load

1

IP code

55

KVA code

G

Motor orientation

Horizontal

Mounting

Rigid base

Number of speeds

1

Opp drive end bearing

Ball

Opp drive end bearing size

6317

Output HP

250 Hp

Output KW

187.0 kW

Packaged height

32.00 IN

Packaged length

56.00 IN

Packaged width

46.00 IN

Phase

3

Poles

6

Power factor

86

Resistance main

.01504 Ohms

Rotation

Reversible

Service factor

1.15

Shaft diameter

3.375 in

Shaft type

T

Speed

1189 rpm

Starting method

Line Or Inverter

Thermal protection

No protection

UL

Listed

Voltage

460 V