Description
444TTFN16549 – Marathon 125 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 444T Frame, TEFC – U880A
444TTFN16549 Marathon Low Voltage NEMA Cooling Tower Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856018922 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
33.17 IN |
Nameplate Specifications
| Output HP: |
125 Hp |
Output KW: |
93.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
145.0 A |
Speed: |
1785 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.4 % |
Power Factor: |
85 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
444T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6318 |
Opp Drive End Bearing Size: |
6316 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
55 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.04 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: |
43.35 in |
| Frame Length: |
20.25 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 |
907.00 |
626.0 |
525.00 |
142.0 |
0 |
|
26.0 |
125.00 |
| Full Load |
145.00 |
100.0 |
368.00 |
100.0 |
1,785 |
|
|
125.00 |
| No Load |
52.00 |
36.0 |
0.00 |
0.0 |
1,800 |
|
|
125.00 |
| 1/3 |
875.00 |
603.0 |
425.00 |
115.0 |
600 |
|
|
125.00 |
| Pull-Up |
800.00 |
552.0 |
425.00 |
115.0 |
900 |
|
|
125.00 |
| 2/3 |
700.00 |
483.0 |
475.00 |
129.0 |
1,200 |
|
|
125.00 |
| Break-Down |
600.00 |
415.0 |
1,050.00 |
285.0 |
1,725 |
|
64.0 |
125.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
52.00 |
62.00 |
85.00 |
114.00 |
145.00 |
165.00 |
180.00 |
| Rated Output (KW) |
2.50 |
25.50 |
49.00 |
73.50 |
98.00 |
113.00 |
123.00 |
| Efficiency (%) |
0.0 |
91.7 |
95.0 |
95.4 |
95.4 |
95.4 |
95.0 |
| Power Factor (%) |
4.5 |
52.0 |
73.0 |
81.5 |
85.0 |
85.5 |
86.0 |
| Speed (RPM) |
1,800 |
1,795 |
1,792 |
1,790 |
1,785 |
1,782 |
1,780 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
70.0 |
90.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
91.50 |
183.00 |
275.00 |
368.00 |
425.00 |
462.00 |
Marathon Motors
Regal Beloit
