Marathon Electric U1872, 20 Hp, 1800 Rpm, 256TV, 230/460 V, 3 PH, TEAO, Rigid Base, Cooling Tower, Severe Duty Motors, 256TTTNA16544.

U1872, 20 Hp, 1800 Rpm, 256TV, 230/460 V, 3 PH, TEAO, Rigid Base, Cooling Tower, Severe Duty Motors, 256TTTNA16544.

Engineering Data

Output HP : 20 HP
Output KW : 14.9 kW
Frequency : 60 Hz
Voltage : 230/460 V
Current : 48.0/24.1 A
Speed : 1775 RPM
Service Factor : 1.15
Phase : 3
Efficiency : 93 %
Duty : Continuous
Insulation Class : F
Design Code : B
KVA Code : G
Frame : 256TV
Enclosure : Totally Enclosed Air Over
Overload Protector : No
Ambient Temperature : 40 °C
Drive End Bearing Size : 6309
Opp Drive End Bearing Size : 6210
UL : Recognized
CSA : Y CE : N IP Code : 56
Technical Specifications
Electrical Type : Squirrel Cage Inverter Rated
Starting Method : Line Or Inverter
Poles : 4
Rotation : Reversible
Mounting : Rigid Base
Motor Orientation : Horizontal Or Up Or Down
Drive End Bearing : Ball
Opp Drive End Bearing : Ball
Frame Material : Cast Iron
Shaft Type : T
Overall Length : 22.35 in
Frame Length : 12.25 in
Shaft Diameter : 1.625 in
Shaft Extension : 4.25 in
Assembly/Box Mounting : F1/F2 Capable