Description
171480.60 – Leeson 20 HP General Purpose Motor, 3 phase, 3600 RPM, 230/460 V, 256TC Frame, TEFC – 171480.60
171480.60 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: |
691720044117 |
Weight: |
326 LB |
| Packaged Length: |
28.5 IN |
Packaged Width: |
19.12 IN |
| Packaged Height: |
17.69 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
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: |
Y |
| CE: |
Y |
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: |
Round |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Overall Length: |
25.50 in |
| Shaft Diameter: |
1.625 in |
Shaft Extension: |
3.75 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) |
| Pull-Up |
130.00 |
565.0 |
67.50 |
225.0 |
1,800 |
|
|
20.00 |
| Break-Down |
95.00 |
413.0 |
81.50 |
272.0 |
3,450 |
|
|
20.00 |
| Full Load |
23.00 |
100.0 |
30.00 |
100.0 |
3,550 |
|
|
20.00 |
| No Load |
5.40 |
23.0 |
0.00 |
0.0 |
3,600 |
|
|
20.00 |
| 1/3 |
140.00 |
609.0 |
64.00 |
213.0 |
1,200 |
|
|
20.00 |
| Locked-Rotor |
145.00 |
630.0 |
75.00 |
250.0 |
0 |
|
|
20.00 |
| 2/3 |
120.00 |
522.0 |
79.00 |
263.0 |
2,400 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
5.40 |
8.10 |
12.70 |
17.70 |
23.00 |
26.50 |
29.00 |
| Rated Output (KW) |
0.40 |
4.30 |
8.30 |
12.30 |
16.30 |
18.70 |
20.50 |
| Efficiency (%) |
0.0 |
87.5 |
91.7 |
92.4 |
92.4 |
91.7 |
91.7 |
| Power Factor (%) |
10.0 |
67.5 |
82.0 |
87.5 |
88.5 |
88.0 |
88.0 |
| Speed (RPM) |
3,600 |
3,590 |
3,578 |
3,565 |
3,550 |
3,545 |
3,540 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
60.0 |
80.0 |
95.0 |
| Torque (ft-lbs) |
0.00 |
7.50 |
15.00 |
22.50 |
30.00 |
34.50 |
37.50 |
Leeson Motors
Regal Beloit
