Description
449THFS8046 – Marathon 250 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEBC – Y531
449THFS8046 Marathon 2000:1 With Encoder Provision Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856025449 |
Weight: |
0 LB |
| Packaged Length: |
66 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.86 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
295.0 A |
Speed: |
1790 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
95 % |
Power Factor: |
84 |
| Duty: |
Continuous |
Insulation Class: |
H |
| Design Code: |
INV |
KVA Code: |
H |
| Frame: |
447/449T |
Enclosure: |
Totally Enclosed Blower cooled – Axial |
| Thermal Protection: |
Thermostats (N/C) |
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 Duty |
Starting Method: |
Inverter Only |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.01 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: |
64.34 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 |
2,075.00 |
703.0 |
1,475.00 |
201.0 |
0 |
|
28.0 |
250.00 |
| Break-Down |
1,140.00 |
386.0 |
2,065.00 |
281.0 |
1,750 |
|
|
250.00 |
| 2/3 |
1,750.00 |
593.0 |
1,550.00 |
211.0 |
1,200 |
|
|
250.00 |
| Full Load |
295.00 |
100.0 |
734.00 |
100.0 |
1,790 |
|
|
250.00 |
| 1/3 |
2,000.00 |
678.0 |
1,325.00 |
181.0 |
600 |
|
|
250.00 |
| Pull-Up |
1,900.00 |
644.0 |
1,350.00 |
184.0 |
900 |
|
|
250.00 |
| No Load |
106.00 |
36.0 |
0.00 |
0.0 |
1,800 |
|
|
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
200 % |
| Current (Amps) |
103.00 |
125.00 |
170.00 |
230.00 |
295.00 |
340.00 |
360.00 |
0.00 |
| Rated Output (KW) |
4.50 |
52.50 |
100.00 |
148.00 |
196.00 |
225.00 |
245.00 |
0.00 |
| Efficiency (%) |
0.0 |
88.5 |
93.0 |
94.5 |
95.0 |
95.0 |
94.5 |
0.0 |
| Power Factor (%) |
8.0 |
52.0 |
73.0 |
81.0 |
84.0 |
85.0 |
86.0 |
0.0 |
| Speed (RPM) |
1,800 |
1,796 |
1,794 |
1,792 |
1,790 |
1,788 |
1,785 |
0 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
65.0 |
85.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
183.00 |
366.00 |
550.00 |
734.00 |
845.00 |
920.00 |
0.00 |
Marathon Motors
Regal Beloit
