WENZHOU MEIHENG ELECTRIC CO.,LTD
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 3000PCS/Week |
| Delivery Time | 20 days and depends on ordering quantity |
| Packaging Details | Each unit packed in a individual box,100pcs/CTN |
| Max. Current | 20A |
| Max. Voltage | 440V |
| Rated voltage AC | 110V,220V,440V,500V,690V |
| Rated Current AC | 20A,25A,32A,50A,75A |
| Number Of Sections | 4 |
| Position | 7 |
| Material | ABS+ Brass+ silver contact |
| Transform angle | 30°/45°/60°/90° |
| Brand Name | OEM |
| Model Number | LW31-20/4 |
| Certification | CE,TUV |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union, L/C | Supply Ability | 3000PCS/Week |
| Delivery Time | 20 days and depends on ordering quantity | Packaging Details | Each unit packed in a individual box,100pcs/CTN |
| Max. Current | 20A | Max. Voltage | 440V |
| Rated voltage AC | 110V,220V,440V,500V,690V | Rated Current AC | 20A,25A,32A,50A,75A |
| Number Of Sections | 4 | Position | 7 |
| Material | ABS+ Brass+ silver contact | Transform angle | 30°/45°/60°/90° |
| Brand Name | OEM | Model Number | LW31-20/4 |
| Certification | CE,TUV | Place of Origin | CHINA |
| High Light | generator changeover switch ，electrical changeover switch | ||
LW31 series Rotary Changeover Switch Cam Switch
Description:
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
General Features:
1. The most economical way for switching electrical loads.
2. Made of the best materials with high mechanical, electrical and thermal resistance.
3. Double-break bimetallic contacts made of silver alloy and Copper.
4. Terminals with screws provided with cable clamp.
5. Fast and easy installation and wring.
6. 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)
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
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.
Company Details
Business Type:
Manufacturer
Year Established:
2000
Total Annual:
3,000,000-3,500,000
Employee Number:
150~200
Ecer Certification：
Active Member
Wenzhou MEIHENG Electric Co., Ltd. founded in 2000 is specialized in Rotary Cam Switch,Rotary Changeover Switch,Rotary Selector Switch,Isolator Switch,Push Button Switch, industrial plug socket,Analog Panel Meter,Digital Panel Meter,DIN-RAIL Energy Meter, Low Voltage Fuse,Fuse Holder and others. ... Wenzhou MEIHENG Electric Co., Ltd. founded in 2000 is specialized in Rotary Cam Switch,Rotary Changeover Switch,Rotary Selector Switch,Isolator Switch,Push Button Switch, industrial plug socket,Analog Panel Meter,Digital Panel Meter,DIN-RAIL Energy Meter, Low Voltage Fuse,Fuse Holder and others. ...
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