Description
449TTFS16102 – Marathon 250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame, TEFC – L471A
449TTFS16102 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: |
722856052292 |
Weight: |
0 LB |
| Packaged Length: |
60 IN |
Packaged Width: |
43 IN |
| Packaged Height: |
30 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
324.0 A |
Speed: |
890 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
95 % |
Power Factor: |
76 |
| Duty: |
Continuous |
Insulation Class: |
H |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
447/449TZ |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
NU322 |
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: |
Part Wdg Start & Wye Start Delta Run |
| Poles: |
8 |
Rotation: |
Reversible |
| Resistance Main: |
.0138 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Roller |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
Single Special Extension |
Overall Length: |
56.79 in |
| Frame Length: |
28.77 in |
Shaft Diameter: |
4.000 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) |
| Pull-Up |
1,700.00 |
525.0 |
1,750.00 |
118.0 |
450 |
|
|
250.00 |
| No Load |
132.00 |
41.0 |
0.00 |
0.0 |
900 |
|
|
250.00 |
| Break-Down |
950.00 |
293.0 |
3,000.00 |
203.0 |
850 |
|
58.0 |
250.00 |
| Full Load |
324.00 |
100.0 |
1,478.00 |
100.0 |
890 |
|
|
250.00 |
| 2/3 |
1,550.00 |
478.0 |
1,900.00 |
129.0 |
600 |
|
|
250.00 |
| 1/3 |
1,800.00 |
556.0 |
1,750.00 |
118.0 |
300 |
|
|
250.00 |
| Locked-Rotor |
1,825.00 |
563.0 |
2,000.00 |
135.0 |
0 |
|
22.0 |
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
132.00 |
152.00 |
196.00 |
255.00 |
324.00 |
370.00 |
402.00 |
| Rated Output (KW) |
5.00 |
50.50 |
98.00 |
147.00 |
196.00 |
227.00 |
247.00 |
| Efficiency (%) |
0.0 |
92.4 |
95.0 |
95.0 |
95.0 |
94.5 |
94.1 |
| Power Factor (%) |
3.0 |
41.0 |
63.0 |
72.5 |
76.0 |
77.0 |
77.0 |
| Speed (RPM) |
900 |
898 |
895 |
892 |
890 |
888 |
885 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
90.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
366.00 |
734.00 |
1,105.00 |
1,478.00 |
1,704.00 |
1,855.00 |
Marathon Motors
Regal Beloit
