Description
LM21388 – Leeson 40 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 364U Frame, TEFC – LM21388
LM21388 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: |
691720105573 |
Weight: |
977 LB |
| Packaged Length: |
37.88 IN |
Packaged Width: |
31.88 IN |
| Packaged Height: |
25.2 IN |
Nameplate Specifications
| Output HP: |
40 Hp |
Output KW: |
30.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
46.5 A |
Speed: |
1780 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
94.1 % |
Power Factor: |
86 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
F |
| Frame: |
364U |
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: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.16 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: |
32.00 in |
| Frame Length: |
13.50 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) |
| No Load |
14.00 |
30.0 |
0.00 |
0.0 |
1,800 |
|
|
40.00 |
| 2/3 |
225.00 |
484.0 |
175.00 |
148.0 |
1,200 |
|
|
40.00 |
| Full Load |
46.50 |
100.0 |
118.00 |
100.0 |
1,780 |
|
|
40.00 |
| Locked-Rotor |
275.00 |
591.0 |
180.00 |
153.0 |
0 |
|
30.0 |
40.00 |
| Break-Down |
150.00 |
323.0 |
270.00 |
229.0 |
1,700 |
|
64.0 |
40.00 |
| Pull-Up |
250.00 |
538.0 |
165.00 |
140.0 |
900 |
|
|
40.00 |
| 1/3 |
265.00 |
570.0 |
160.00 |
136.0 |
600 |
|
|
40.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
14.00 |
17.80 |
25.50 |
35.50 |
46.50 |
53.50 |
58.50 |
| Rated Output (KW) |
0.75 |
8.20 |
16.00 |
23.80 |
31.80 |
36.60 |
40.00 |
| Efficiency (%) |
0.0 |
91.0 |
94.1 |
94.5 |
94.1 |
93.6 |
93.0 |
| Power Factor (%) |
5.5 |
58.0 |
77.0 |
84.0 |
86.0 |
86.5 |
86.5 |
| Speed (RPM) |
1,800 |
1,795 |
1,790 |
1,785 |
1,780 |
1,775 |
1,772 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
55.0 |
75.0 |
90.0 |
| Torque (ft-lbs) |
0.00 |
29.30 |
58.80 |
88.50 |
118.00 |
136.00 |
148.00 |
Leeson Motors
Regal Beloit
