Description
LM28914 – Leeson 75 HP Elevator Duty Motor, 3 phase, 1800 RPM, 230/460 V, 365T Frame, ODP – LM28914
LM28914 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: |
691720104835 |
Weight: |
754 LB |
| Packaged Length: |
33 IN |
Packaged Width: |
29 IN |
| Packaged Height: |
24.03 IN |
Nameplate Specifications
| Output HP: |
75 Hp |
Output KW: |
56.0 kW |
| Frequency: |
60/60 Hz |
Voltage: |
230/460 V |
| Current: |
187.0/93.5 A |
Speed: |
1785 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
94.1 % |
Power Factor: |
80 |
| Duty: |
120/80 Starts/Hour |
Insulation Class: |
F |
| Design Code: |
INV |
KVA Code: |
F |
| Frame: |
365T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
313 |
Opp Drive End Bearing Size: |
311 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Wye Start Delta Run |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.082 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: |
29.40 in |
| Frame Length: |
16.48 in |
Shaft Diameter: |
2.375 in |
| Shaft Extension: |
5.88 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) |
| Locked-Rotor |
542.00 |
580.0 |
410.00 |
186.0 |
0 |
|
35.0 |
75.00 |
| Pull-Up |
475.00 |
508.0 |
400.00 |
181.0 |
900 |
|
|
75.00 |
| Full Load |
93.50 |
100.0 |
221.00 |
100.0 |
1,785 |
|
|
75.00 |
| 1/3 |
525.00 |
561.0 |
375.00 |
170.0 |
600 |
|
|
75.00 |
| Break-Down |
325.00 |
348.0 |
600.00 |
271.0 |
1,710 |
|
66.0 |
75.00 |
| No Load |
38.00 |
41.0 |
0.00 |
0.0 |
1,800 |
|
|
75.00 |
| 2/3 |
400.00 |
428.0 |
450.00 |
204.0 |
1,200 |
|
|
75.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
38.00 |
44.00 |
57.00 |
74.00 |
93.50 |
106.00 |
115.00 |
| Rated Output (KW) |
1.70 |
16.00 |
30.00 |
45.00 |
60.00 |
68.50 |
75.00 |
| Efficiency (%) |
0.0 |
88.0 |
92.4 |
93.6 |
94.1 |
93.6 |
93.0 |
| Power Factor (%) |
10.0 |
45.0 |
66.0 |
76.0 |
80.0 |
81.0 |
81.5 |
| Speed (RPM) |
1,800 |
1,798 |
1,795 |
1,790 |
1,785 |
1,782 |
1,780 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
70.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
55.00 |
110.00 |
165.00 |
221.00 |
254.00 |
277.00 |
Leeson Motors
Regal Beloit
