Description
449TTFS16333 – Marathon 350 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – E293
449TTFS16333 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: |
722856018625 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.04 IN |
Nameplate Specifications
| Output HP: |
350 Hp |
Output KW: |
260.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
395.0 A |
Speed: |
1785 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
96.2 % |
Power Factor: |
86.5 |
| 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 Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.0075 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: |
52.07 in |
| Frame Length: |
28.75 in |
Shaft Diameter: |
3.375 in |
| Shaft Extension: |
8.72 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) |
| Pull-Up |
2,250.00 |
570.0 |
1,950.00 |
189.0 |
900 |
|
|
350.00 |
| 2/3 |
2,000.00 |
506.0 |
2,100.00 |
204.0 |
1,200 |
|
|
350.00 |
| Break-Down |
1,350.00 |
342.0 |
2,400.00 |
233.0 |
1,725 |
|
62.0 |
350.00 |
| Full Load |
395.00 |
100.0 |
1,030.00 |
100.0 |
1,785 |
|
|
350.00 |
| 1/3 |
2,400.00 |
608.0 |
1,900.00 |
184.0 |
600 |
|
|
350.00 |
| Locked-Rotor |
2,550.00 |
646.0 |
2,075.00 |
201.0 |
0 |
|
31.0 |
350.00 |
| No Load |
115.00 |
29.0 |
0.00 |
0.0 |
1,800 |
|
|
350.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
115.00 |
148.00 |
218.00 |
304.00 |
395.00 |
450.00 |
490.00 |
| Rated Output (KW) |
6.00 |
71.00 |
137.00 |
204.00 |
271.00 |
314.00 |
342.00 |
| Efficiency (%) |
0.0 |
92.4 |
95.4 |
96.2 |
96.2 |
95.8 |
95.4 |
| Power Factor (%) |
5.5 |
59.0 |
77.5 |
84.0 |
86.5 |
86.5 |
86.5 |
| Speed (RPM) |
1,800 |
1,796 |
1,794 |
1,790 |
1,785 |
1,782 |
1,780 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
80.0 |
110.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
256.00 |
512.00 |
770.00 |
1,030.00 |
1,185.00 |
1,290.00 |
Marathon Motors
Regal Beloit
