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1. The so-called "bit", also known as "link", means that on a panel, there are several switch function modules. "One" means that there is a switch, and "two bits" means that there are two switches that can control two electrical devices separately.
2. The so-called "control", that is, a switch selectively controls several circuits. For example, a dual-control switch, the letters a, b represent the circuit, that is, the process of the switch is to turn on a disconnect b, or turn b off a process. The two lines will not be turned on at the same time, nor will they be disconnected at the same time. In the home, two dual-control switches can be used to control the function of an electric appliance in two places through a certain rule of a certain line, and this function is more widely used in lighting of living rooms and bedrooms.
Explosion-proof duplex and bipolar are two different meanings.
What is the explosion-proof dual-control dual-control switch?
Explosion-proof double switch has three contacts, such as 1, 2, 3, set 1 as a common point, then there are two states: 1-2 pass 1-3 break or 1-2 cut 1-3 pass. Triple switch has four contacts, such as 1, 2, 3, 4, set 1 as a common point, then there are three states: 1-2 pass other break, 1-3 break other break, 1-4 pass other break. Multipole analogy. Like selector switches and the like. The general lighting switch does not have a triple switch.
Explosion-proof two-pole switch is two sets of contacts, there are four contacts, such as 1,2,3,4, there are two states: 1-2 pass and 3-4 pass and 1-2 break and 3-4 break. Three-pole switch has six contacts, such as 1,2,3,4,5,6, there are only two states: 1-2 pass and 3-4 pass 5-6 also pass, the other state is 1- 2 broken and 3-4 broken 5-6 also broken. Multipole analogy. Like circuit breakers, they are called unipolar, bipolar, and tripolar. Can not say two triple.
The difference between unipolar, bipolar, and tripolar switches is that this is a generic problem. It can also be called a single-link, double-link, triple-switch or an open, double-open, or triple-open switch. The button switch, double switch is the two buttons, and so on.
September 05, 2024