Marathon Electric E221, 20 Hp, 3600 Rpm, 256T FR, 230/460 Vac, 3 PH,TEFC, Rigid Base, General Purpose Motor, 256TTFNA6001.

E221, 20 Hp, 3600 Rpm, 256T FR, 230/460 Vac, 3 PH,TEFC, Rigid Base, General Purpose Motor, 256TTFNA6001.

Engineering Data

Output HP:20 Hp
Output KW:14.9 kW
Frequency:60 Hz
Voltage:230/460 V
Current:47.0/23.4 A
Speed:3537 rpm
Service Factor:1.15
Phase:3
Efficiency:92.4 %
Power Factor:86
Duty:Continuous
Insulation Class:F
Design Code:B
KVA Code:G
Frame:256T
Enclosure:Totally Enclosed Fan Cooled
Thermal Protection:No
Ambient Temperature:40 °C
Drive End Bearing Size:6309
Opp Drive End Bearing Size:6210
UL:Recognized
CSA:Y
CE:YIP Code:43
Technical Specifications
Electrical Type:Squirrel Cage Induction Run
Starting Method:Across The Line
Poles:2
Rotation:Reversible
Resistance Main:.394 Ohms
Mounting:Rigid Base
Motor Orientation:Horizontal
Drive End Bearing:Ball
Opp Drive End Bearing:Ball
Frame Material:Cast Iron
Shaft Type:T
Overall Length:25.27 in
Frame Length:12.25 in
Shaft Diameter:1.625 in
Shaft Extension:4.2 in
Assembly/Box Mounting:F1/F2 Capable