Description
449TTFS6390 – Marathon 300 HP General Purpose Motor, 3 phase, 1200 RPM, 460 V, 449T Frame, TEFC – E284
449TTFS6390 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: |
722856018571 |
Weight: |
0 LB |
| Packaged Length: |
66 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
29.4 IN |
Nameplate Specifications
| Output HP: |
300 Hp |
Output KW: |
224.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
362.0 A |
Speed: |
1190 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
81 |
| Duty: |
Continuous |
Insulation Class: |
H |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
447/449T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
NU319 |
Opp Drive End Bearing Size: |
6318 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
6 |
Rotation: |
Reversible |
| Resistance Main: |
.009 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Roller |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Overall Length: |
56.71 in |
| Frame Length: |
28.75 in |
Shaft Diameter: |
3.375 in |
| Shaft Extension: |
8.75 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) |
| Locked-Rotor |
2,200.00 |
608.0 |
2,750.00 |
208.0 |
0 |
|
32.0 |
300.00 |
| 1/3 |
2,100.00 |
580.0 |
2,500.00 |
189.0 |
250 |
|
|
300.00 |
| Pull-Up |
1,950.00 |
539.0 |
2,550.00 |
193.0 |
600 |
|
|
300.00 |
| Break-Down |
1,250.00 |
345.0 |
3,250.00 |
245.0 |
1,150 |
|
60.0 |
300.00 |
| No Load |
122.00 |
34.0 |
0.00 |
0.0 |
1,200 |
|
|
300.00 |
| 2/3 |
1,750.00 |
483.0 |
2,750.00 |
208.0 |
850 |
|
|
300.00 |
| Full Load |
362.00 |
100.0 |
1,324.00 |
100.0 |
1,190 |
|
|
300.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
122.00 |
152.00 |
210.00 |
280.00 |
362.00 |
418.00 |
450.00 |
| Rated Output (KW) |
4.50 |
60.00 |
117.00 |
175.00 |
233.00 |
268.00 |
293.00 |
| Efficiency (%) |
0.0 |
93.6 |
95.8 |
96.2 |
95.8 |
95.8 |
95.4 |
| Power Factor (%) |
3.5 |
49.0 |
70.0 |
78.0 |
81.0 |
81.5 |
82.0 |
| Speed (RPM) |
1,200 |
1,198 |
1,195 |
1,192 |
1,190 |
1,188 |
1,185 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
85.0 |
115.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
330.00 |
660.00 |
992.00 |
1,324.00 |
1,525.00 |
1,655.00 |
Marathon Motors
Regal Beloit
