Description
LM21799 – Leeson 50 HP Automotive Duty Motor, 3 phase, 3600 RPM, 460 V, 365U Frame, TEFC – LM21799
LM21799 Leeson Automotive 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: |
691720980859 |
Weight: |
980 LB |
| Packaged Length: |
37.88 IN |
Packaged Width: |
31.88 IN |
| Packaged Height: |
25.2 IN |
Nameplate Specifications
| Output HP: |
50 Hp |
Output KW: |
37.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
56.0 A |
Speed: |
3560 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
94.1 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
365U |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
65 °C |
| Drive End Bearing Size: |
314 |
Opp Drive End Bearing Size: |
312 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
55 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.105 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
U |
Overall Length: |
33.00 in |
| Frame Length: |
14.50 in |
Shaft Diameter: |
2.125 in |
| Shaft Extension: |
6.38 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) |
| 2/3 |
275.00 |
491.0 |
110.00 |
149.0 |
2,700 |
|
|
50.00 |
| Pull-Up |
325.00 |
580.0 |
95.00 |
128.0 |
1,800 |
|
|
50.00 |
| Locked-Rotor |
360.00 |
643.0 |
110.00 |
149.0 |
0 |
|
26.0 |
50.00 |
| Break-Down |
225.00 |
402.0 |
200.00 |
270.0 |
3,350 |
|
68.0 |
50.00 |
| Full Load |
56.00 |
100.0 |
74.00 |
100.0 |
3,560 |
|
|
50.00 |
| No Load |
14.00 |
25.0 |
0.00 |
0.0 |
3,600 |
|
|
50.00 |
| 1/3 |
350.00 |
625.0 |
90.00 |
122.0 |
1,200 |
|
|
50.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
14.00 |
19.50 |
30.00 |
42.50 |
56.00 |
64.00 |
70.00 |
| Rated Output (KW) |
1.00 |
10.50 |
20.00 |
29.80 |
39.60 |
45.50 |
50.00 |
| Efficiency (%) |
0.0 |
90.2 |
93.6 |
94.1 |
94.1 |
94.1 |
93.6 |
| Power Factor (%) |
7.0 |
66.0 |
82.0 |
87.0 |
89.0 |
89.5 |
89.5 |
| Speed (RPM) |
3,600 |
3,590 |
3,580 |
3,570 |
3,560 |
3,552 |
3,545 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
55.0 |
75.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
18.50 |
37.00 |
55.50 |
74.00 |
85.00 |
92.50 |
Leeson Motors
Regal Beloit
