Description
LM21148 – Leeson 1 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 143T Frame, ODP – LM21148
LM21148 Leeson 10:1 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: |
691720153475 |
Weight: |
55 LB |
| Packaged Length: |
16.38 IN |
Packaged Width: |
10.5 IN |
| Packaged Height: |
8.12 IN |
Nameplate Specifications
| Output HP: |
1 Hp |
Output KW: |
0.75 kW |
| Frequency: |
60 Hz |
Voltage: |
230/460 V |
| Current: |
3.1/1.6 A |
Speed: |
1725 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
82.5 % |
Power Factor: |
77 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
M |
| Frame: |
143T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
205 |
Opp Drive End Bearing Size: |
203 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
N |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
3.68 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: |
12.49 in |
| Frame Length: |
8.56 in |
Shaft Diameter: |
0.875 in |
| Shaft Extension: |
2.25 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) |
| Break-Down |
8.50 |
548.0 |
13.00 |
433.0 |
1,550 |
|
81.0 |
1.00 |
| Full Load |
1.55 |
100.0 |
3.00 |
100.0 |
1,725 |
|
|
1.00 |
| Pull-Up |
12.00 |
774.0 |
9.00 |
300.0 |
900 |
|
|
1.00 |
| No Load |
0.80 |
52.0 |
0.00 |
0.0 |
1,800 |
|
|
1.00 |
| 1/3 |
12.50 |
806.0 |
8.50 |
283.0 |
600 |
|
|
1.00 |
| 2/3 |
11.00 |
710.0 |
10.50 |
350.0 |
1,200 |
|
|
1.00 |
| Locked-Rotor |
13.00 |
839.0 |
10.00 |
333.0 |
0 |
|
66.5 |
1.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
125 % |
150 % |
200 % |
| Current (Amps) |
0.80 |
0.90 |
1.00 |
1.20 |
1.55 |
1.70 |
0.00 |
0.00 |
| Rated Output (KW) |
0.08 |
0.29 |
0.49 |
0.70 |
0.90 |
1.15 |
0.00 |
0.00 |
| Efficiency (%) |
0.0 |
72.5 |
81.5 |
84.0 |
82.5 |
82.5 |
0.0 |
0.0 |
| Power Factor (%) |
0.0 |
35.0 |
55.0 |
70.0 |
77.0 |
82.0 |
0.0 |
0.0 |
| Speed (RPM) |
1,800 |
1,785 |
1,770 |
1,750 |
1,725 |
1,715 |
0 |
0 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
22.0 |
0.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
0.75 |
1.50 |
2.20 |
3.00 |
3.80 |
0.00 |
0.00 |
Leeson Motors
Regal Beloit
