Description
171588.60 – Leeson 20 HP General Purpose Motor, 3 phase, 3600 RPM, 208-230/460 V, 256TC Frame, TEFC – 171588.60
171588.60 Leeson 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: |
691720349960 |
Weight: |
326 LB |
| Packaged Length: |
0 IN |
Packaged Width: |
0 IN |
| Packaged Height: |
0 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/50 Hz |
Voltage: |
208-230/460 V |
| Current: |
50.8-46.0/23.0 A |
Speed: |
3550 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
92.4 % |
Power Factor: |
88.5 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
256TC |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6309 |
Opp Drive End Bearing Size: |
6308 |
| UL: |
Recognized |
CSA: |
N |
| CE: |
N |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Wye Start Delta Run Or Inverter |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.295 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: |
25.48 in |
| Shaft Diameter: |
1.625 in |
Shaft Extension: |
4 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) |
| Full Load |
23.00 |
|
29.60 |
100.0 |
0 |
|
|
20.00 |
| Break-Down |
0.00 |
|
81.40 |
275.0 |
0 |
|
|
20.00 |
| Locked-Rotor |
145.00 |
|
75.40 |
255.0 |
0 |
|
|
20.00 |
| Pull-Up |
0.00 |
|
54.80 |
185.0 |
0 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
150 % |
| Current (Amps) |
5.50 |
8.00 |
12.70 |
17.70 |
23.00 |
26.50 |
29.10 |
35.20 |
| Rated Output (KW) |
0.43 |
4.34 |
8.29 |
12.31 |
16.32 |
18.70 |
20.50 |
24.72 |
| Efficiency (%) |
0.0 |
88.1 |
92.0 |
92.6 |
92.8 |
92.4 |
91.7 |
91.0 |
| Power Factor (%) |
9.9 |
67.3 |
81.9 |
87.3 |
88.5 |
88.5 |
88.5 |
88.0 |
| Speed (RPM) |
3,600 |
3,589 |
3,578 |
3,566 |
3,550 |
3,545 |
3,539 |
3,524 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
60.0 |
80.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
7.50 |
15.00 |
22.50 |
30.00 |
34.50 |
37.50 |
45.00 |
Leeson Motors
Regal Beloit
