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What grade is Teli switch? How to choose the socket switch?
What grade is Teli switch?
Teli switch is a mid-range switch. China? Lee Tae Industrial Co., Ltd. was established at 1984, located atNo. 1, Juguangyuan North Road, Lucheng District, Wenzhou City. Is a joint-stock enterprise integrating scientific research and production. The company has a factory building of 30,000 square meters, registered capital of 55 million yuan, and more than 0/000 employees, including 40% in technical secondary schools and 30% in junior colleges. There are 65,438+02 branches and sales branches and offices in more than 50 large and medium-sized cities across the country.
What happened to the company's Teli switch products? CCC? Compulsory product certification and international electrotechnical commission? CB? Certification and European Electrotechnical Commission? CE? Certification. 200 1, 1 1 successfully passed the certification of ISO900 1 international quality management system. Generally speaking, Tellus is a trustworthy brand.
Lee Tae is one of Kai Guanchang in Wenzhou, and now it has grown into Lee Tae in China, with diversified products, including wire and cable lamps. Lee Tae 1 18 series is the originator of China 1 18 series, and many manufacturers who make 1 18 series are imitating the structure of Lee Tae.
How to select socket switch
1, manual
A good product panel is difficult to take off directly by hand, and certain special tools must be used, while the lower cover of ordinary non-mainstream middle and low-grade products is easy to take off by hand, which is indecent at home and in public places. When choosing, press the cover diagonally with your index finger and thumb to form an endpoint, keep one end still and press the other end hard. If the cover is loose and sunken, the product quality is poor, otherwise the quality is reliable.
2. Eye view
Generally, good products have smooth appearance, no burrs and peaks, and the colors and materials are imported PC materials, which have good flame retardancy. Although some products have smooth surfaces and look like oil, they are pale in color and thick in texture. This kind of material has poor flame retardancy, which has laid a fire hazard for household electricity.
Step 3 listen
Gently press the switch function, the lighter the sound of the skateboard, the smoother the feel and the better the quality; On the contrary, the sound is impure and dynamic when opening and closing, and the sound quality with intermittent state in the middle is poor.
4, than the material selection
Switch pure silver has strong conductivity, low calorific value and high safety performance, but the performance is greatly reduced when the contact is made of copper. The socket material made of tin-phosphorus-green copper sheet can obtain better indexes such as strength, toughness and elasticity, which is tens of times more durable than the socket made of ordinary brass reed, and the socket is rarely burned by strong arc when inserting the board; Gold-plated spring needle is extremely difficult to oxidize and has stable performance, which can ensure clear and true sound quality and fast and accurate data transmission.
That's what I introduced. What grade is Teli switch? How to choose the socket switch? We already know about switches. In fact, many people will choose big brands to buy switches, and the quality is guaranteed. Of course, when choosing products of big brands, we should also know which products are of good quality and which are of poor quality, so as to avoid people choosing products with poor quality. You can learn about the selection skills and choose a switch with good quality.
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