Marathon W553A-P is a 20 HP, 1800 RPM three-phase general purpose motor with a NEMA 256T frame and Totally Enclosed Fan Cooled enclosure. It operates on 460V at 60 Hz with a 1.15 service factor. This Globetrotter series motor is built for continuous industrial duty by Marathon Electric, a Regal Rexnord brand.

Ambient temperature (°C)

40

Assembly/box mounting

F1/F2 CAPABLE

CE

Y

Country of Origin

Mexico

CSA

Y

Current

24.2 A

Design code

B

Drive end bearing

Ball

Drive end bearing size

6309

Duty

Continuous

Efficiency

93 %

Electrical type

Squirrel Cage Inverter Rated

Enclosure

Totally enclosed fan cooled

Frame

256T

Frame Material

Cast iron

Frequency

60 Hz

Insulation class

H

Inverter Load

1

IP code

56

KVA code

G

Motor orientation

Horizontal

Mounting

Rigid base

Number of speeds

1

Opp drive end bearing

Ball

Opp drive end bearing size

6209

Output HP

20 Hp

Output KW

14.9 kW

Packaged height

19.00 IN

Packaged length

30.75 IN

Packaged width

21.80 IN

Phase

3

Poles

4

Power factor

83.5

Resistance main

.513 Ohms

Rotation

Reversible

Service factor

1.15

Shaft diameter

1.625 in

Shaft type

T

Speed

1768 rpm

Starting method

Line Or Inverter

Thermal protection

No protection

UL

Recognized

Voltage

460 V