We always touch various electrical appliances in our life. In fact, electricity has always been a double-edged sword. If used properly, it will benefit everyone. If it is not good, it will bring unexpected disaster. The key to power security is the switch. There are many power switches such as voice switches and remote switches. Today, let's talk about the most common pushbutton switches. At the classification level, there are several types of pushbutton switches. Now? With so many handy power switches, buttons aren't out of the market yet. They must have an edge. Today we will identify pushbutton switches again. What is a push button switch? The structure of the push button switch is actually very simple and widely used. It's everywhere around everyone. This is a switch for manually transmitting control signals to control DC contactors, brake motors or relays. Push-button switches perform basic controls for termination, forward and reverse, and gear shifting. Generally speaking, each switch has two pairs of contacts, each pair of contacts has a normally open contact and a normally open and normally closed contact. What type of push button switch? The button switch mainly includes the following contents: open type, shield, waterproof, anti-corrosion type, explosion-proof type, knob type, key type, emergency, etc. Open style, this push button switch is more suitable for inserting and fixing on the panel of switch board, control box or console. K. Shield refers to the outer cover of the case to prevent internal damage. H. Waterproof, switch hermetically sealed enclosure to prevent intrusion of precipitation, number S. Anti-corrosion type, the switch can avoid the intrusion of chemical corrosive gases, numbered F. Explosion-proof type, this type of switch is more suitable for mines and other places to avoid explosion damage. The number is B. Knob type is suitable for mounting panels. Because there are two positions, the rotation can be used as an operating contact. X. Button type, the purpose of this button switch is to avoid accidental operation by others, or to be operated only by professionals. Y. Emergency, this push button switch is suitable for emergency, code is J. Well, there is also a switch, which is a multi-type integration, combining multiple push-button switches to connect to a control function, the code is E. Finally, there's a light push button switch. The signal light is installed in the push button switch and is mainly used to transmit some operating instructions or commands. D. In fact, depending on the application environment, the type of switch will have different functions. There are several types of pushbutton switches that can be fully listed, and each type of switch has its own specific function.
Post time: Jul-09-2022