Description
LM20657 – Leeson 0.50 HP Washdown Motor, 3 phase, 1800 RPM, 230/460 V, 56C Frame, ODP – LM20657
LM20657 Leeson Washdown 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: |
691720065365 |
Weight: |
33 LB |
| Packaged Length: |
16.38 IN |
Packaged Width: |
10.5 IN |
| Packaged Height: |
8.12 IN |
Nameplate Specifications
| Output HP: |
0.50 Hp |
Output KW: |
0.37 kW |
| Frequency: |
60 Hz |
Voltage: |
230/460 V |
| Current: |
2.4/1.2 A |
Speed: |
1725 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
68 % |
Power Factor: |
61.1 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
M |
| Frame: |
56C |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
203 |
Opp Drive End Bearing Size: |
203 |
| UL: |
No |
CSA: |
Y |
| CE: |
N |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
39.2 Ohms |
Mounting: |
Round |
| Motor Orientation: |
HORIZONTAL |
Drive End Bearing: |
BALL |
| Opp Drive End Bearing: |
BALL |
Frame Material: |
Rolled Steel |
| Shaft Type: |
T |
Overall Length: |
10.43 in |
| Frame Length: |
6.56 in |
Shaft Diameter: |
0.625 in |
| Shaft Extension: |
1.88 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) |
| Pull-Up |
6.50 |
542.0 |
6.20 |
413.0 |
500 |
|
|
0.50 |
| No Load |
0.92 |
77.0 |
0.00 |
0.0 |
1,800 |
|
|
0.50 |
| Break-Down |
4.80 |
400.0 |
7.20 |
480.0 |
1,200 |
|
88.5 |
0.50 |
| 2/3 |
6.20 |
517.0 |
6.60 |
440.0 |
750 |
|
|
0.50 |
| Locked-Rotor |
7.00 |
583.0 |
6.20 |
413.0 |
0 |
|
82.0 |
0.50 |
| Full Load |
1.20 |
100.0 |
1.50 |
100.0 |
1,725 |
|
|
0.50 |
| 1/3 |
6.80 |
567.0 |
6.00 |
400.0 |
250 |
|
|
0.50 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
150 % |
175 % |
| Current (Amps) |
0.92 |
0.94 |
0.96 |
1.00 |
1.20 |
1.22 |
1.25 |
1.30 |
1.40 |
| Rated Output (KW) |
0.10 |
0.20 |
0.30 |
0.40 |
0.50 |
0.57 |
0.62 |
0.74 |
0.87 |
| Efficiency (%) |
0.0 |
48.5 |
64.0 |
65.5 |
68.0 |
72.5 |
75.5 |
75.5 |
75.5 |
| Power Factor (%) |
14.5 |
26.5 |
38.5 |
49.5 |
61.1 |
63.5 |
66.0 |
72.5 |
77.0 |
| Speed (RPM) |
1,800 |
1,785 |
1,775 |
1,750 |
1,725 |
1,720 |
1,715 |
1,710 |
1,700 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
31.0 |
0.0 |
37.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
0.40 |
0.70 |
1.10 |
1.50 |
1.70 |
2.00 |
2.30 |
2.70 |
Leeson Motors
Regal Beloit
