Description
286TTFNA6576 – Marathon 20 HP Severe Duty Motor, 3 phase, 1200 RPM, 460 V, 286T Frame, TEFC – E639
286TTFNA6576 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: |
722856020109 |
Weight: |
529 LB |
| Packaged Length: |
35 IN |
Packaged Width: |
26 IN |
| Packaged Height: |
24.51 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
26.8 A |
Speed: |
1175 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91.7 % |
Power Factor: |
76 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
286T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6311 |
Opp Drive End Bearing Size: |
6210 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
54 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
6 |
Rotation: |
Reversible |
| Resistance Main: |
.385 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: |
27.71 in |
| Frame Length: |
14.25 in |
Shaft Diameter: |
1.875 in |
| Shaft Extension: |
4.82 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) |
| Break-Down |
93.50 |
349.0 |
238.00 |
267.0 |
1,070 |
|
64.5 |
20.00 |
| Pull-Up |
135.00 |
504.0 |
152.00 |
171.0 |
600 |
|
|
20.00 |
| 1/3 |
140.00 |
522.0 |
145.00 |
163.0 |
300 |
|
|
20.00 |
| Locked-Rotor |
145.00 |
541.0 |
157.00 |
176.0 |
0 |
|
36.0 |
20.00 |
| Full Load |
26.80 |
100.0 |
89.00 |
100.0 |
1,174 |
|
|
20.00 |
| No Load |
12.50 |
47.0 |
0.00 |
0.0 |
1,200 |
|
|
20.00 |
| 2/3 |
125.00 |
466.0 |
165.00 |
185.0 |
800 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
12.50 |
14.00 |
17.00 |
21.50 |
26.80 |
31.00 |
32.50 |
| Rated Output (KW) |
0.80 |
4.00 |
8.00 |
12.00 |
16.00 |
19.00 |
20.50 |
| Efficiency (%) |
0.0 |
87.5 |
91.7 |
91.7 |
91.7 |
91.0 |
91.0 |
| Power Factor (%) |
20.5 |
38.5 |
59.5 |
70.5 |
76.0 |
78.0 |
79.0 |
| Speed (RPM) |
1,200 |
1,195 |
1,190 |
1,180 |
1,175 |
1,170 |
1,167 |
| Temp. Rise @ FL |
0.0 |
45.0 |
40.0 |
0.0 |
60.0 |
85.0 |
105.0 |
| Torque (ft-lbs) |
0.00 |
22.00 |
44.00 |
66.50 |
89.00 |
103.00 |
112.00 |
Marathon Motors
Regal Beloit
