Marathon Electric E277, 300 Hp, 1800 Rpm, 447/9T FR, 460 V, 3 PH, TEFC, Rigid Base, General Purpose, Nema Premium XRI Efficency, 449TTFS6037.

E277, 300 Hp, 1800 Rpm, 447/9T FR, 460 V, 3 PH, TEFC, Rigid Base, General Purpose, Nema Premium XRI Efficency, 449TTFS6037.

Engineering Data

Output HP:300 Hp
Output KW:224.0 kW
Frequency:60 Hz
Voltage:460 V
Current:339.0 A
Speed:1785 rpm
Service Factor:1.15
Phase:3
Efficiency:96.5 %
Power Factor:86
Duty:Continuous
Insulation Class:H
Design Code:B
KVA Code:G
Frame:447/449T
Enclosure:Totally Enclosed Fan Cooled
Thermal Protection:No
Ambient Temperature:40 °C
Drive End Bearing Size:NU319
Opp Drive End Bearing Size:6318
UL:Recognized
CSA:Y
CE:YIP Code:43
Technical Specifications
Electrical Type:Squirrel Cage Induction Run
Starting Method:Across The Line
Poles:4
Rotation:Reversible
Resistance Main:.0085 Ohms
Mounting:Rigid Base
Motor Orientation:Horizontal
Drive End Bearing:Roller
Opp Drive End Bearing:Ball
Frame Material:Cast Iron
Shaft Type:T
Overall Length:51.86 in
Frame Length:28.75 in
Shaft Diameter:3.375 in
Shaft Extension:8.75 in
Assembly/Box Mounting:F1/F2 Capable