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16 mm Diameter Momentary 12V Metal Push Button Switch ON OFF With Ring LED Power Symbol

16 mm diameter momentary 12v metal push button switch on off with ring led Power symbol

Our push button switch on off has a wide range of applications, including packing machines, coffee machines, water dispensers, automatic marking machines, ovens, electric fryers, washing machines, refrigerators, massage chairs and other furniture and electrical equipment.

Now introduce our button switch
The structure of push button switch on off:

1) Push button switch on off is composed of controller, shell, contacts and feet. There are many types of push button switch on off switches, which can be divided into common snap button type, mushroom head type, self-locking type, and self-reset There are different combinations of a single button, double button, etc., such as type, rotary handle type, indicator light type, light symbol type and key type.

Generally, it adopts a water accumulation type structure, which is composed of push button switch on off cap, return spring, static contact, moving contact and shell, etc. It is usually made into a composite type, with a pair of normally closed contacts and normally open contacts. The number of contact pairs can be increased through the series connection of multiple components.

2) 16mm push button switch on off material
16mm push button switch on off There are 3 kinds of shell materials, stainless steel, brass, black aluminum

Stainless steel: the best corrosion resistance

Brass: Generally there are two kinds of plating: chrome plating on brass and nickel plating on brass. The surface is smoother and beautiful, and the corrosion resistance is poor. It is easy to produce patina over time.

Aluminum blackening: aluminum will become black after electrophoresis, and other colors such as red, green, blue, etc. can also be electrophoresis. The electrophoresis process dyeing is better than the painting process, the effect is better, and it is not easy to fade

3) 16mm push button switch function

First, push button switch has the functions of self-resetting and self-locking, and the function of the switch is determined by the presence or absence of the lock hook.

The other is to distinguish the normally closed and normally open functions of 16mm push button switch :

A self-supporting push button switch, which automatically maintains the closed position after being pressed, and can only be opened after power failure.

When the push button switch is not pressed, the moving contact is connected to the static contact above, and this pair of contacts is called a normally closed contact.

At this time, the moving contact is disconnected from the static contact below. This pair of contacts is called the normally open contact: press the push button switch on off, the normally closed contact is disconnected, and the normally open contact is closed; loosen Turn on the push button switch, and the original working state will be restored under the action of the return spring.

Basic introduction

Push button switch is a low-voltage electrical appliance that can be reset manually and generally automatically.

Push button switch is usually used to issue start or stop instructions in a circuit to control the on and off of electrical coil currents such as electromagnetic starters, contactors, and relays.

Push button switch is a kind of electrical appliance used to turn on and break small current circuits that act when pressed and reset when released. It is generally used in control circuits with AC and DC voltages below 440V and currents less than 5A. Generally, the main circuit is not directly manipulated, and it can also be used in interconnecting circuits.
In actual use, in order to prevent misoperation, the push button switch is usually marked with different marks or painted in different colors to distinguish them. The colors are red, yellow, blue, white, black, green, etc.

Generally, red means operation under “stop” or “dangerous” conditions;
Green means “on” or “on”.
The push button switch must have a metal protective retaining ring, and the retaining ring should be higher than the push button switch cap to prevent accidentally touching the push button switch and causing malfunction.

The material of the push button switch on off board and the push button switch on off box for installing the push button switch on off must be metal and connected to the main ground bus of the machine.

Structural principles edit

There are many types of push button switch switches, which can be divided into ordinary snap button type, mushroom head type, self-locking type, self-resetting type, rotary handle type, indicator light type, light symbol type and key type, etc. Single button, double button, I button and different combinations.

Generally, it adopts a water accumulation type structure, which is composed of push button switch cap, return spring, static contact, moving contact and shell, etc. It is usually made into a composite type, with a pair of normally closed contacts and normally open contacts. The number of contact pairs can be increased through the series connection of multiple components.

There is also a self-supporting push button switch, which automatically maintains the closed position after being pressed, and can only be opened after power failure.

When the push button switch is not pressed, the moving contact is connected to the static contact above, and this pair of contacts is called a normally closed contact.

At this time, the moving contact is disconnected from the static contact below. This pair of contacts is called the normally open contact: press the push button switch on off, the normally closed contact is disconnected, and the normally open contact is closed; loose Turn on the push button switch to restore the original working state under the action of the return spring.
Types of

(1) Protective push button switch: A type of push button switch on off with a protective shell that can prevent the internal push button switch on off parts from being mechanically damaged or people touching the live parts. Its code is H.

(2) Push button switch: Under normal conditions, the switch contact is a kind of push button switch on off.

(3) Push button switch: Under normal conditions, the switch contact is a kind of push button switch on off.

(4) Push button switch: Under normal conditions, the switch contacts are both on and off. Push button switch on off.

(5) Push button switch with light: Push button switch is equipped with a signal light, in addition to issuing operation commands + also double as a signal indicator, its code is D.

(6) Action click push button switch: that is, mouse click push button switch.

(7) Explosion-proof push button switch: a push button switch that can be used in places containing explosive gas and dust without causing explosion, its code name is B.

(8) Anticorrosive push button switch: It can prevent the intrusion of chemical corrosive gas, its code is F.

(9) Waterproof push button switch: a sealed shell to prevent rainwater from intruding, its code name is S.

(10) Emergency push button switch: There is a large red mushroom button head protruding outside, which can be used as a push button switch on off to cut off the power in an emergency, and its code is J or M.

(11) Open-type push button switch: a push button switch that can be used for embedded installation and fixed on the panel of a switch board, control cabinet or console, and its code is K.

(12) Interlocking push button switch: A push button switch on off with multiple contacts interlocking with each other, and its code name is C.

(13) Knob type push button switch: the rotary operation contact with the handle. There are two positions on and off, generally a push button switch of panel mounting type, and its code name is X.

(14) Key-type push button switch: A push button switch on off that can be operated by inserting and rotating the key to prevent misoperation or for special personnel to operate. Its code is Y.

(15) Self-holding push button switch: Push button switch on off is a kind of push button switch equipped with self-holding electromagnetic mechanism, its code name is z.

(16) Combined push button switch: a push button switch on off with multiple push button switch on off combinations, and its code name is E.

Choose

(1) According to different use occasions and specific purposes: according to the use occasion, select the type of push button switch on off, such as open type, protective type, waterproof type, anti-corrosion type, etc.; select the appropriate form according to the use, such as handle Rotary type, key type, emergency type, illuminated type, etc. For example, the general push button switch on off of the console cabinet can be used first; if you need to display the working status, use the indicator type; in very important places, in order to prevent unrelated personnel from misoperation, it is better to use the key type; Anti-corrosion type should be used at the place where the gas is corroded.

(2) According to the requirements of working status, instructions and working conditions, select push button switch on off and the color of the indicator light: green for “start” or “power on”, and red for “stop”. In addition, the voltage of the indicator light (bulb) is divided into 6.3V, 12V, 24V and so on.

(3) Determine the number of push button switch on off according to the needs of the control loop: such as single button, double button, three button, multi button, etc. For example, when three kinds of control of “forward”, “reverse” and “stop” are required, three push button switch on off can be used and they can be installed in the same push button switch on off box; when only the control of “start” and “stop” is required , Use two push button switch on off to assemble in the same push button switch on off box. [3]

Use maintenanceedit

(1) Check the push button switch on off frequently to remove the dirt on it. Because the contact distance of push button switch on off is small, after years of use or the seal is not good, the inflow of dust or oil emulsions, etc., will reduce the insulation and even cause a short circuit accident. In this case, insulation and cleaning must be done, and corresponding sealing measures must be taken.

(2) When the push button switch on off is used in high temperature applications, it is easy to cause plastic deformation and aging, causing the push button switch on off to become loose and causing short circuits between the terminal screws. According to the situation, a fastening ring can be added to tighten it for use during installation, or an insulating plastic tube can be added to the wiring screw to prevent loosening.

(3) Push button switch on off with indicator light. As the bulb heats up, it is easy to deform the plastic lampshade over a long period of time, making it difficult to replace the bulb. Therefore, it is not suitable to be used in places where the power is on for a long time; if you want to use it, you can appropriately lower the bulb voltage to extend its life.

(4) If poor contact is found, the reason should be found out: if the contact surface is damaged, it can be repaired with a fine file; if the contact surface has dirt or soot, it is advisable to wipe it with a clean cotton cloth dipped in solvent; if it is a contact spring If it fails, it should be replaced; if the contact is severely burned, the product should be replaced.

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Rated Voltage 36V(DC) 250(AC) Housing PA66+GF20% nylon
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