Self-locking button switch performance characteristics, self-locking button switch performance characteristics, self-locking switch application range, self-locking switch use description self-locking button switch performance characteristics, self-locking button switch performance characteristics, self-locking switch application range, self-locking switch use description
In the middle is a push button switch, and its handle can swing up and down and left and right to achieve 5 functions. This type of multi-function switch phone, MP3 and digital camera are used more. There is also a multi-function switch for the PL3 series. The switch handle has a fan shape with a push button switch in the middle, and the handle can be left to swing, which makes the product have three functions. Key switches are used in digital cameras, mobile phones, MP3/MP4 and other products.
The key switch can complete basic control such as start, stop, forward and reverse, shifting and interlocking. Usually each push button switch has two pairs of contacts. Each pair of contacts consists of a normally open contact and a normally closed contact. When the button is pressed, the two pairs of contacts act simultaneously, the normally closed contact opens, and the normally open contact closes.
.Electrical performance specifications
1. Contact resistance test: Test under a small current (100 mA). Requirements: 30 milliohms or less.
2. Insulation resistance test: Input 500V DC voltage for 1 minute, test according to the following contact method:
1) Between the contact terminals.
2) Between the plastic body and the foot.
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