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16mm UL certified Electric Key Switch, Momentary Key Switch

2020-05-04

16mm UL certified Electric Key Switch, Momentary Key Switch


Yeswitches Electronics Co., Ltd. manufactures UL Electric Key Switch

1. According to the level of current and voltage, it can be divided into low-voltage Key Switches (such as 4A, 2A and below), and high-voltage key switches (10A, 16A, and above). Low-voltage key switches do not need any safety regulations because they are small currents, but only need to comply with environmental protection; high-voltage key switches need to have safety certifications, such as: CCC, CE, UL, etc.


2. according to the size of the opening used: large key switch, small key switch. The main opening sizes of small key switches are (such as: 6mm, 8mm, 12mm, 16mm, 19mm, etc.); the main opening sizes of large key switches are (such as: 22mm, 25mm, 28mm, 30mm, 36mm, etc.)


3. According to the number of control switch circuit groups, it can be divided into single group line key, double group line key switch and multiple group line key switch. Single group line key switch; means that only one group can be controlled first. Dual-group key switch: refers to a key switch that can simultaneously control two groups of lines (such as Jiekai 2801, 2011, 2012, 332, etc.). This type of lock has the same connection and the same disconnection, one group is connected and the other is broken. The same connection and disconnection key: refers to the two groups of lines are powered on and off at the same time. A group of on and off key switches: refers to the two groups of lines, there is always one group is off, the other group is on, can not be on or off at the same time.


4. According to the key distinction; can be divided into slice key switch and bead key switch (that is, flat key switch and round key switch), the key can be single pumping or double pumping.


5. According to the key rebound and non-rebound function, it can distinguish between automatic rebound key switch and non-rebound key switch.

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