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Isolator Rotary Changeover Switch 3 Way Automatic Changeover Switch
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Brand Name:OEM
Model Number:LW31-50/2
Certification:CE,TUV
Payment Terms:T/T, Western Union, L/C
Supply Ability:3000PCS/Week
Delivery Time:20 days and depends on ordering quantity
Company Data
Active Member
Business Type:
86-577-61715930
Business Type:
Manufacturer
Officials:
Xiangyang Industrial Zone,Liushi Town,Yueqing City,Zhejiang Province,325604,P.R.China
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
50A 3 Position LW31 seriesRotary Changeover Switch Cam Switch
General Features:
1. Wide range of function for switching, it has 20A,25A,32A,50A,75A
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:
- 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 | |||||||||||||||||||
| 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 Profile
WENZHOU MEIHENG ELECTRIC CO.,LTD
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.
Through the repaid development in last 20 years, MEIHENG act as one
of Professional manufacturer in electrical industry in China.
Workers: 200
Engineers: more than 15
QA/QC: more than 20
Certificate: CCC, CB, CE, UL, TUV,ISO9001
The land space of the company: amounts to 5000m2
What we do: products’ design, mold building, production of parts (injection
& punching), assembling,products’ inspection, testing and etc.
MEIHENG adheres to the belief - "scientific management, independent innovation, coordinating collaboration, and cultural brand" and the enterprise principle - "we are advancing every day".
Join us,Let us work together in cooperation with your company!
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