Description
449TSTFS6003 – Marathon 250 HP General Purpose Motor, 3 phase, 3600 RPM, 460 V, 449TS Frame, TEFC – E271
449TSTFS6003 Marathon Three Phase TEFC Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856018502 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.05 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
275.0 A |
Speed: |
3575 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
H |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
447/449TS |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6313 |
Opp Drive End Bearing Size: |
6313 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.0105 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
TS |
Overall Length: |
48.11 in |
| Frame Length: |
28.75 in |
Shaft Diameter: |
2.375 in |
| Shaft Extension: |
5 in |
Assembly/Box Mounting: |
F1/F2 Capable |
Speed Characteristics
| Curvepoint |
Current (Amps) |
Current (%) |
Torque (ft-lbs) |
(%) |
Speed (RPM) |
Rated Output (KW) |
Power Factor (%) |
Rated Output (Hp) |
| Break-Down |
1,070.00 |
391.0 |
1,010.00 |
274.0 |
3,430 |
0.00 |
66.0 |
250.00 |
| Pull-Up |
1,650.00 |
602.0 |
520.00 |
141.0 |
1,800 |
0.00 |
0.0 |
250.00 |
| 1/3 |
1,725.00 |
630.0 |
510.00 |
139.0 |
1,200 |
0.00 |
0.0 |
250.00 |
| Locked-Rotor |
1,825.00 |
666.0 |
625.00 |
170.0 |
0 |
0.00 |
26.0 |
250.00 |
| No Load |
74.00 |
27.0 |
0.00 |
0.0 |
3,600 |
0.00 |
5.0 |
250.00 |
| Full Load |
275.00 |
100.0 |
368.00 |
100.0 |
3,575 |
0.00 |
89.0 |
250.00 |
| 2/3 |
1,450.00 |
529.0 |
650.00 |
177.0 |
2,400 |
0.00 |
0.0 |
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
74.00 |
100.00 |
150.00 |
210.00 |
275.00 |
314.00 |
342.00 |
| Rated Output (KW) |
3.00 |
50.00 |
98.00 |
146.00 |
194.00 |
224.00 |
244.00 |
| Efficiency (%) |
0.0 |
93.0 |
95.4 |
95.8 |
95.8 |
95.8 |
95.4 |
| Power Factor (%) |
5.0 |
63.0 |
81.5 |
87.0 |
89.0 |
89.5 |
89.5 |
| Speed (RPM) |
3,600 |
3,595 |
3,590 |
3,580 |
3,575 |
3,570 |
3,565 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
85.0 |
115.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
91.50 |
183.00 |
275.00 |
368.00 |
423.00 |
460.00 |
Marathon Motors
Regal Beloit
