Description
449TTFCD6538 – Marathon 250 HP, Severe Duty Motors, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – E690A
449TTFCD6538 Marathon Other Severe Duty Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856192295 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
278.0 A |
Speed: |
1790 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
96.2 % |
Power Factor: |
87 |
| 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: |
6317 |
| UL: |
Listed |
CSA: |
Y |
| CE: |
Y |
IP Code: |
55 |
| Hazardous Location: |
DIVISION 2 T2B |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
4 |
Rotation: |
Selective Clockwise |
| Resistance Main: |
.0142 Ohms |
Mounting: |
Rigid base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Roller |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Shaft Diameter: |
3.375 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 |
1,540.00 |
555.0 |
1,525.00 |
210.0 |
900 |
0.00 |
0.0 |
250.00 |
| Break-Down |
990.00 |
355.0 |
2,015.00 |
275.0 |
1,750 |
0.00 |
62.0 |
250.00 |
| 1/2 |
1,660.00 |
595.0 |
1,550.00 |
210.0 |
600 |
0.00 |
0.0 |
250.00 |
| Full Load |
278.00 |
100.0 |
733.00 |
100.0 |
1,790 |
0.00 |
88.0 |
250.00 |
| 2/3 |
1,380.00 |
495.0 |
1,800.00 |
245.0 |
1,200 |
0.00 |
0.0 |
250.00 |
| Locked-Rotor |
1,900.00 |
685.0 |
1,830.00 |
250.0 |
0 |
0.00 |
39.0 |
250.00 |
| No Load |
80.50 |
30.0 |
0.00 |
0.0 |
1,800 |
0.00 |
6.0 |
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
80.00 |
105.00 |
154.00 |
213.00 |
278.00 |
319.00 |
348.00 |
| Rated Output (KW) |
4.00 |
50.00 |
97.50 |
145.00 |
195.00 |
224.00 |
244.00 |
| Efficiency (%) |
0.0 |
93.0 |
95.4 |
96.2 |
96.2 |
95.8 |
95.4 |
| Power Factor (%) |
4.5 |
60.0 |
79.0 |
86.0 |
87.0 |
88.5 |
88.0 |
| Speed (RPM) |
1,800 |
1,798 |
1,795 |
1,792 |
1,790 |
1,788 |
1,786 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
70.0 |
100.0 |
120.0 |
| Torque (ft-lbs) |
0.00 |
183.00 |
366.00 |
550.00 |
734.00 |
844.00 |
918.00 |
Marathon Motors
Regal Beloit
