LW31 Series 32A Rotary Cam Switch 3Pole 3 Position Changeover Switch Product Category Rotary Switches
LW31 series Rotary Changeover Switch
LW31 series Rotary Changeover Switch 20A,25A,32A,50A,75A
LW31 series Rotary Changeover Switches applied to Complete electrical switchgear and Three-phase asynchronous motor load start shift steering; For using as main circuit and auxiliary circuit conversion. It’s a good substitution for other cam switches
Advantage:
- LW31 series Rotary Changeover Switches have the characteristics of small size, multi-function, compact structure, exquisite material selection, good insulation, flexible conversion operation, safety and reliability, and novel appearance.
- LW31 series Rotary Changeover Switches have many different types of operation handle to choose by customer(“R”,”I” types)
- LW31 series Rotary Changeover Switches can produce transform angle: 30°/45°/60°/90°
Technical parameters
|
Description
|
LW31-20
|
LW31-25
|
LW31-32
|
LW31-50
|
LW31-75
|
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| Rated thermal currentITH |
A
|
20
|
25
|
32
|
50
|
75
|
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| Rated working voltageUe |
V
|
110 | 220 |
440
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
| Rated working currentLe |
|
|
|
|
|
|
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| AC-21A |
A
|
20
|
25
|
32
|
50
|
70
|
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| AC-22A |
A
|
16
|
20
|
32
|
40
|
63
|
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| DC-20 |
A
|
20
|
25 |
|
32 |
|
50 |
|
75 |
|
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| power |
P
|
|
|
|
|
|
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| AC-23A |
KW
|
5 |
7.5
|
7.5 | 11 |
15
|
11 | 18.5 |
22
|
15 | 22 |
30
|
18.5 | 30 |
37
|
|||||||||
| AC-3 |
KW
|
4 |
5.5
|
5.5 | 7.5 |
11
|
7.5 | 15 |
18.5
|
11 | 18.5 |
22
|
15 | 22 |
30
|
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| AC-4 |
KW
|
2.2 |
3
|
2.2 | 4 | 4 |
|
3 | 5.5 | 5.5 |
|
5.5 | 7.5 | 9 |
|
7.5 | 11 | 15 |
|
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| DC-23 |
KW
|
0.77 | 1.2 |
|
2 | 2.2 |
|
2 | 2.2 |
|
3 | 6 |
|
4 | 8 |
|
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Mechaical life
Mechanical life without load:0.3×106 times,operation frequency is 120 times/h.
Mechanical life with load:0.6×104 times operation frequency is 120 times/h.
Dimensions and installation dimensions:
| Description | Dimensions(mm) | Installation(mm) | ||||||||||
| A | C | H | L | E | D1 | D2 | S | F | G | D3 | T | |
| LW31-20 | 54 | Φ44 | 38 | 25+12n | 32 | Φ9.5 | Φ3.2 | 1.5 | 35 | Φ45 | Φ4.5 | 6 |
| LW31-20 | 72 | Φ44 | 38 | 25+12n | 32 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ45 | Φ4.5 | 6 |
| LW31-25 | 72 | Φ59 | 36 | 25+13n | 33 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ64 | Φ4.5 | 6 |
| LW31-25 | 105 | Φ59 | 53 | 23+13n | 33 | Φ9.5 | Φ3.2 | 1.5 | 85 | Φ64 | Φ4.5 | 6 |
| LW31-32 | 72 | Φ59 | 36 | 23+18n | 33 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ64 | Φ4.5 | 6 |
| LW31-32 | 105 | Φ59 | 53 | 23+18n | 33 | Φ9.5 | Φ3.2 | 1.5 | 85 | Φ64 | Φ4.5 | 6 |
| LW31-50 | 105 | Φ80 | 53 | 34+18n | 46 | Φ13 | Φ5.3 | 3 | 85 | Φ90 | Φ5.5 | 8 |
| LW31-75 | 105 | Φ80 | 53 | 34+27n | 46 | Φ13 | Φ5.3 | 3 | 85 | Φ90 | Φ5.5 | 8 |
Normal working conditions:
1. Working temperature: -25°C~+40°C;the average temperature mustn’t be pass 35°C
2. Working height: ≤2,000m
3. Relative humidity: ≤50% with highest temperature +40°C,but allow higher humidity with low temperature less than 40°C.(eg. humidity 90%----teperature20°C)
Classification
1. Classified by utilization, control and load switch.
Motor switch Control switch
2. Classified by Applications
Complete electrical switchgear;Three-phase asynchronous motor load start shift steering;Used as main circuit and auxiliary circuit conversion
Related Products shown:
LW31 series Rotary Changeover Switch 20A-75A (2 Layers)
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