Marathon Y579A 250 HP, 1800 RPM three-phase general purpose motor with a NEMA 449T frame and Totally Enclosed Fan Cooled enclosure. Operates on 460V at 60 Hz with 1.15 service factor.

Ambient temperature (°C)

40

Assembly/box mounting

F1/F2 CAPABLE

CE

Y

Country of Origin

Mexico

CSA

Y

Current

265.0 A

Design code

INV

Drive end bearing

Ball

Drive end bearing size

6319

Duty

Continuous

Efficiency

95.8 %

Electrical type

Squirrel Cage Inverter Duty

Enclosure

Totally enclosed fan cooled

Frame

449T

Frame Material

Cast iron

Frequency

60 Hz

Insulation class

H

Inverter Load

1

IP code

55

KVA code

H

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

34.00 IN

Packaged length

68.00 IN

Packaged width

46.00 IN

Phase

3

Poles

4

Power factor

92

Resistance main

.0174 Ohms

Rotation

Reversible

Service factor

1

Shaft diameter

3.375 in

Shaft type

T

Speed

1785 rpm

Starting method

Inverter Only

Thermal protection

Thermostat

UL

Recognized

Voltage

460 V