Marathon Electric L457A, 250 Hp, 1200 Rpm, 447/9T FR, 460 Vac, 3 PH, Totally Enclosed, Rigid Base, General Purpose, Standard Efficient, 449TTFS16384.

L457A, 250 Hp, 1200 Rpm, 447/9T FR, 460 Vac, 3 PH, Totally Enclosed, Rigid Base, General Purpose, Standard Efficient, 449TTFS16384.

Engineering Data

Output HP : 250 HP
Output KW : 187.0 kW
Frequency : 60 Hz
Voltage : 460 V
Current : 300.0 A
Speed : 1190 RPM
Service Factor : 1.15
Phase : 3
Efficiency : 95.8 %
Duty : Continuous
Insulation Class : H
Design Code : B
KVA Code : G
Frame : 447/449T
Enclosure : Totally Enclosed Fan Cooled
Overload Protector : No
Ambient Temperature : 40 °C
Drive End Bearing Size : 6319
Opp Drive End Bearing Size : 6318
UL : Recognized
CSA : Y CE : Y IP Code : 43
Technical Specifications
Electrical Type : Squirrel Cage Inverter Rated
Starting Method : Line Or Inverter
Poles : 6
Rotation : Reversible
Mounting : Rigid Base
Motor Orientation : Horizontal
Drive End Bearing : Ball
Opp Drive End Bearing : Ball
Frame Material : Cast Iron
Shaft Type : T
Overall Length : 28.25 in
Frame Length : 28.77 in
Shaft Diameter : 3.375 in
Shaft Extension : 8.75 in
Assembly/Box Mounting : F1/F2 CAPABLE
UPC : 722856052254
Weight : 3,067.00 LB