Description
449TTFS16374 – Marathon 300 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – L463A
449TTFS16374 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: |
722856052261 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.86 IN |
Nameplate Specifications
| Output HP: |
300 Hp |
Output KW: |
224.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
341.0 A |
Speed: |
1788 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
96.2 % |
Power Factor: |
84.5 |
| 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: |
6319 |
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: |
Part Wdg Start & Wye Start Delta Run Or Inverter |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.0085 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: |
28.25 in |
| Frame Length: |
28.77 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) |
| 2/3 |
1,950.00 |
562.0 |
1,800.00 |
204.0 |
1,200 |
|
|
300.00 |
| Pull-Up |
2,050.00 |
591.0 |
1,550.00 |
176.0 |
900 |
|
|
300.00 |
| Full Load |
347.00 |
100.0 |
881.00 |
100.0 |
1,788 |
|
|
300.00 |
| 1/3 |
2,175.00 |
627.0 |
1,450.00 |
165.0 |
600 |
|
|
300.00 |
| Locked-Rotor |
2,200.00 |
620.0 |
1,725.00 |
196.0 |
0 |
|
31.0 |
300.00 |
| Break-Down |
1,500.00 |
432.0 |
2,350.00 |
267.0 |
1,725 |
|
63.0 |
300.00 |
| No Load |
127.00 |
36.6 |
0.00 |
0.0 |
1,800 |
|
|
300.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
124.00 |
149.00 |
201.00 |
268.00 |
341.00 |
388.00 |
421.00 |
| Rated Output (KW) |
5.00 |
61.00 |
118.00 |
175.00 |
233.00 |
268.00 |
292.00 |
| Efficiency (%) |
0.0 |
91.0 |
94.5 |
95.4 |
96.2 |
95.8 |
95.8 |
| Power Factor (%) |
5.0 |
50.5 |
72.5 |
81.0 |
84.5 |
85.5 |
86.0 |
| Speed (RPM) |
1,800 |
1,797 |
1,795 |
1,790 |
1,788 |
1,785 |
1,784 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
75.0 |
105.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
219.00 |
439.00 |
660.00 |
881.00 |
1,015.00 |
1,104.00 |
Marathon Motors
Regal Beloit
