Description
LM28880 – Leeson 20 HP Elevator Duty Motor, 3 phase, 1800 RPM, 230/460 V, 256T Frame, ODP – LM28880
LM28880 Leeson Elevator 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: |
691720103173 |
Weight: |
233 LB |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/60 Hz |
Voltage: |
230/460 V |
| Current: |
52.0/26.0 A |
Speed: |
1760 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
91 % |
Power Factor: |
79.3 |
| Duty: |
120/80 Starts/Hour |
Insulation Class: |
F |
| Design Code: |
INV |
KVA Code: |
F |
| Frame: |
256T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
309 |
Opp Drive End Bearing Size: |
208 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
12 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Wye Start Delta Run |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.428 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: |
22.32 in |
| Frame Length: |
15.45 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) |
| 1/3 |
145.00 |
558.0 |
130.00 |
218.0 |
600 |
|
|
20.00 |
| No Load |
12.00 |
46.0 |
0.00 |
0.0 |
1,800 |
|
|
20.00 |
| Pull-Up |
135.00 |
519.0 |
140.00 |
235.0 |
900 |
|
|
20.00 |
| Full Load |
26.00 |
100.0 |
59.50 |
100.0 |
1,760 |
|
|
20.00 |
| Locked-Rotor |
160.00 |
615.0 |
145.00 |
244.0 |
0 |
|
43.0 |
20.00 |
| 2/3 |
120.00 |
462.0 |
155.00 |
261.0 |
1,200 |
|
|
20.00 |
| Break-Down |
100.00 |
385.0 |
175.00 |
294.0 |
1,625 |
|
70.0 |
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
12.00 |
13.00 |
16.50 |
20.50 |
26.00 |
29.00 |
32.00 |
| Rated Output (KW) |
0.50 |
4.50 |
8.00 |
12.50 |
16.50 |
18.50 |
20.50 |
| Efficiency (%) |
0.0 |
86.0 |
90.2 |
91.7 |
91.0 |
91.0 |
90.2 |
| Power Factor (%) |
5.5 |
41.5 |
63.0 |
74.0 |
79.3 |
81.0 |
81.5 |
| Speed (RPM) |
1,800 |
1,790 |
1,785 |
1,770 |
1,760 |
1,755 |
1,750 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
15.00 |
29.50 |
44.50 |
59.50 |
68.50 |
75.00 |
Leeson Motors
Regal Beloit
