WENZHOU MEIHENG ELECTRIC CO.,LTD
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32A 7 Position LW31 series Rotary Changeover Switch Cam Switch
General Features:
1. Wide range of function for switching, it has 20A,25A,32A,50A,75A
2. Capability for switching of resistive, or inductive, or mixed loads.
3. The most economical way for switching electrical loads.
4. Made of the best materials with high mechanical, electrical and thermal resistance.
5. Capability to produce special Cam Switches based on customer requirements.
Advantage:
Technical parameters
Description | LW31-20 | LW31-25 | LW31-32 | LW31-50 | LW31-75 | |||||||||||||||||||
| Rated thermal currentITH | A | 20 | 25 | 32 | 50 | 75 | ||||||||||||||||||
| 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 | ||||||||||||||||||||||||
| AC-21A | A | 20 | 25 | 32 | 50 | 70 | ||||||||||||||||||
| AC-22A | A | 16 | 20 | 32 | 40 | 63 | ||||||||||||||||||
| DC-20 | A | 20 | 25 | 32 | 50 | 75 | ||||||||||||||||||
| power | P | |||||||||||||||||||||||
| 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 | |||||||||
| AC-4 | KW | 2.2 | 3 | 2.2 | 4 | 4 | 3 | 5.5 | 5.5 | 5.5 | 7.5 | 9 | 7.5 | 11 | 15 | |||||||||
| DC-23 | KW | 0.77 | 1.2 | 2 | 2.2 | 2 | 2.2 | 3 | 6 | 4 | 8 | |||||||||||||
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.
| 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)
Further information:
1. Plastics materials: all raw materials are brand-new and second-hand materials are forbidden. Furthermore some of them are supplied by super branding companies like DSM, Mitsubishi.
2. There is just one level of quality as A in MEIHENG and we are aim to provide the excellent articles to our clients and help them gain more market shares.
3. ODM: we are providing ODM services to the super companies (more than 15) who are top-10 electrical industrial companies in their country. Just show us your ideas and we will present a solution.