Description
LM21217 – Leeson 50 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 326T Frame, TEFC – LM21217
LM21217 Leeson 4:1 Speed Ratio Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
691720352052 |
Weight: |
558 LB |
| Packaged Length: |
34 IN |
Packaged Width: |
28 IN |
| Packaged Height: |
21.21 IN |
Nameplate Specifications
| Output HP: |
50 Hp |
Output KW: |
37.0 kW |
| Frequency: |
60 Hz |
Voltage: |
230/460 V |
| Current: |
129.0/64.5 A |
Speed: |
1782 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
93 % |
Power Factor: |
78 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
INV |
KVA Code: |
G |
| Frame: |
326T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
311 |
Opp Drive End Bearing Size: |
309 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Duty |
Starting Method: |
Inverter Only |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.17 Ohms |
Mounting: |
Rigid base |
| Motor Orientation: |
HORIZONTAL |
Drive End Bearing: |
BALL |
| Opp Drive End Bearing: |
BALL |
Frame Material: |
Rolled Steel |
| Shaft Type: |
T |
Overall Length: |
30.00 in |
| Frame Length: |
17.00 in |
Shaft Diameter: |
2.125 in |
| Shaft Extension: |
5.25 in |
Assembly/Box Mounting: |
F1 ONLY |
Speed Characteristics
| Curvepoint |
Current (Amps) |
Current (%) |
Torque (ft-lbs) |
(%) |
Speed (RPM) |
Rated Output (KW) |
Power Factor (%) |
Rated Output (Hp) |
| Pull-Up |
300.00 |
465.0 |
250.00 |
170.0 |
900 |
|
|
50.00 |
| Locked-Rotor |
350.00 |
543.0 |
290.00 |
197.0 |
0 |
|
38.0 |
50.00 |
| Break-Down |
175.00 |
271.0 |
320.00 |
218.0 |
1,725 |
|
65.0 |
50.00 |
| No Load |
28.50 |
44.0 |
0.00 |
0.0 |
1,800 |
|
|
50.00 |
| 2/3 |
250.00 |
388.0 |
275.00 |
187.0 |
1,200 |
|
|
50.00 |
| Full Load |
64.50 |
100.0 |
147.00 |
100.0 |
1,782 |
|
|
50.00 |
| 1/3 |
325.00 |
504.0 |
250.00 |
170.0 |
600 |
|
|
50.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
125 % |
150 % |
200 % |
| Current (Amps) |
28.50 |
32.00 |
40.00 |
51.50 |
64.50 |
79.00 |
0.00 |
0.00 |
| Rated Output (KW) |
1.00 |
10.50 |
20.00 |
30.00 |
40.00 |
50.50 |
0.00 |
0.00 |
| Efficiency (%) |
0.0 |
88.5 |
92.4 |
93.0 |
93.0 |
91.7 |
0.0 |
0.0 |
| Power Factor (%) |
4.5 |
41.0 |
62.0 |
73.0 |
78.0 |
80.5 |
0.0 |
0.0 |
| Speed (RPM) |
1,800 |
1,795 |
1,792 |
1,788 |
1,782 |
1,775 |
0 |
0 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
65.0 |
0.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
36.50 |
73.50 |
110.00 |
147.00 |
185.00 |
0.00 |
0.00 |
Leeson Motors
Regal Beloit
