Description
445TTFN16866 – Marathon 150 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 445T Frame, TEFC – U881A
445TTFN16866 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: |
722856018939 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
33.17 IN |
Nameplate Specifications
| Output HP: |
150 Hp |
Output KW: |
112.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
172.0 A |
Speed: |
1785 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
85 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
445T |
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 Induction Run |
Starting Method: |
Across The Line |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.0275 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: |
43.34 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 |
1,085.00 |
631.0 |
800.00 |
181.0 |
0 |
|
28.0 |
150.00 |
| No Load |
60.00 |
35.0 |
0.00 |
0.0 |
1,800 |
|
|
150.00 |
| Pull-Up |
950.00 |
552.0 |
775.00 |
176.0 |
900 |
|
|
150.00 |
| 2/3 |
875.00 |
509.0 |
850.00 |
193.0 |
1,200 |
|
|
150.00 |
| 1/3 |
1,000.00 |
581.0 |
725.00 |
164.0 |
600 |
|
|
150.00 |
| Break-Down |
600.00 |
349.0 |
1,150.00 |
261.0 |
1,725 |
|
64.0 |
150.00 |
| Full Load |
172.00 |
100.0 |
441.00 |
100.0 |
1,785 |
|
|
150.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
60.00 |
72.00 |
100.00 |
135.00 |
172.00 |
195.00 |
212.00 |
| Rated Output (KW) |
3.00 |
30.00 |
58.50 |
87.50 |
117.00 |
134.00 |
146.00 |
| Efficiency (%) |
0.0 |
93.0 |
95.4 |
96.2 |
95.8 |
95.8 |
95.4 |
| Power Factor (%) |
4.5 |
53.0 |
74.0 |
82.0 |
85.0 |
86.0 |
86.0 |
| Speed (RPM) |
1,800 |
1,796 |
1,792 |
1,790 |
1,785 |
1,782 |
1,780 |
| Temp. Rise @ FL |
0.0 |
45.0 |
40.0 |
0.0 |
70.0 |
95.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
110.00 |
220.00 |
330.00 |
441.00 |
508.00 |
553.00 |
Marathon Motors
Regal Beloit
