Marathon Electric U539A, 250 Hp, 3600 Rpm, 445TS FR, 460 Vac, 3 PH, ODP, Rigid Base, Fire Pump, 445TSTDCD4007.

U539A, 250 Hp, 3600 Rpm, 445TS FR, 460 Vac, 3 PH, ODP, Rigid Base, Fire Pump, 445TSTDCD4007.

Engineering Data

Output HP : 250 HP
Output KW : 187.0 kW
Frequency : 60 Hz
Voltage : 460 V
Current : 272.0 A
Speed : 3575 RPM
Service Factor : 1.15
Phase : 3
Efficiency : 94.5 %
Duty : Continuous
Insulation Class : F
Design Code : B
KVA Code : F
Frame : 445TS
Enclosure : Drip Proof
Overload Protector : No
Ambient Temperature : 50 °C
Drive End Bearing Size : 6314
Opp Drive End Bearing Size : 6314
UL : Listed
CSA : Y CE : Y IP Code : 23
Technical Specifications
Electrical Type : Squirrel Cage Induction Run
Starting Method : Part Wdg Start & Wye Start Delta Run
Poles : 2
Rotation : Reversible
Mounting : Rigid Base
Motor Orientation : Horizontal
Drive End Bearing : Ball
Opp Drive End Bearing : Ball
Frame Material : Cast Iron
Shaft Type : TS
Overall Length : 40.83 in
Frame Length : 25.98 in
Shaft Diameter : 2.375 in