Marathon R858 75 HP, 1800 RPM three-phase IEC metric general purpose motor with a 250M frame and Totally Enclosed Fan Cooled enclosure. Operates on 230/460V at 60 Hz. This 55 kW motor features a TEFC design suitable for industrial applications requiring reliable performance in dusty or damp environments.

Ambient temperature (°C)

40

Assembly/box mounting

F3

CE

Y

Country of Origin

India

CSA

N

Current

174/87 & 168/84 A

Design code

N (IEC)

Drive end bearing

Ball

Drive end bearing size

6314

Duty

Continuous

Efficiency

95.4 & 94.2 %

Efficiency Class

IE3

Electrical type

Squirrel Cage Inverter Rated

Enclosure

Totally enclosed fan cooled

Frame

250M

Frame Material

Cast iron

Frequency

60 & 50 Hz

Insulation class

F

Inverter Load

1

IP code

55

KVA code

J

Motor orientation

Horizontal

Mounting

B3

Number of speeds

1

Opp drive end bearing

Ball

Opp drive end bearing size

6314

Output HP

75 & 60 Hp

Output KW

55.0 & 45.0 kW

Packaged height

950.00 MM

Packaged length

1120.00 MM

Packaged width

690.00 MM

Phase

3

Poles

4

Power factor

84

Resistance main

.0687 Ohms

Rotation

Reversible

Service factor

1.15 & 1.15

Shaft diameter

65.000 in

Shaft type

IEC

Speed

1790 & 1490 rpm

Starting method

Line Or Inverter

Thermal protection

No protection

UL

Recognized

Voltage

230/460 & 200/400 V