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Push Button Switch

The push button switch is a common device start switch, which controls whether the device is running by turning it on and off the circuit.
According to different usage environments, buttons with different functions gradually appeared, such as momentary push button switch, latching push button switch and switch with LED light.
The push button switches produced by FILN have passed UL CE ROSH ISO90001 certification, which proves that the product quality meets international standards.

What is the push button switch?

Push button switch means to push the drive structure with buttons, making the moving contact and the static contact to press on or off, which can realize the circuit switching.

Push button switch has a simple structure and is widely used in master control electrical appliances. In an electrical automatic control circuit, manually emit control signals to control contactors, relays, electromagnetic starters, etc.

Push button switch can complete the basic control of start, stop, positive and negative rotation, speed change, interlock and so on.

Usually, each push button switch has two pairs of contact, each pair of contact is made 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 is disconnected and the normally closed contact is closed.

Specify the function of each button to prevent mis-operation. The button cap is usually made into different colors in order to show the difference. It has the color of red, green, black, yellow, blue, white, etc. For example, red means stop button, green means start button and so on.

The product instruction introduces the main parameters, model, mounting hole size, contact number and current capacity of the push button switch in detail.

How many styles of the push button switch are there?

  • Push button switch is divided into metal push button switch, plastic push button switch, emergency stop push button switch 3 styles.
  • Metal push button switch is divided into lock push button switch, reset push button switch, emergency stop push button switch, button switch with line etc.
  • The mounting dimension of the Metal push button switch is 8MM, 10MM, 12MM, 16MM, 19MM, 22MM, 25MM, 28MM, 30MM, 40MM. If you have other needs, we can also customize the product according to your requirements.
  • Metal push button switch has a variety of colors, such as red, green, yellow, blue, white, orange and other colors, as well as two-color and three-color push button switches.
  • The voltage of the metal push button switch is 2V, 3V, 5V, 6V, 12V, 24V, 110V, 120V, 220V, 240V, 380V and so on.
  • The waterproof rating of the Metal push button switch is IP65, IP67, IP68 three grades of standards.
  • The shell material of the metal button is brass, stainless steel, zinc alloy. After brass plating, the appearance of the product is more bright and atmosphere, which can be used in the products indoor.
  • Stainless steel material can be used in outdoor or harsh places, such as the seaside or places with sulfuric acid, and so on.
  • Zinc alloy materials can be electroplated in a variety of different colors, which is very beautiful. Black and red are commonly used.
  • The current of the metal push button switch is 1A, 3A, 5A, 10A and 15A. We suggest you use a small current. If you need a high power switch, you need to add an AC contactor.
  • The head type of the metal button switch is ring-type, single point and power supply, etc. It also can be customized a variety of different symbols and patterns according to customer needs.
  • The contact style of a push metal button has fast moving style and slow moving style; Fast moving style is a normally open and normally closed, slow moving style is a normally open.
  • The plastic material of the metal button switch is nylon PA66, it’s high temperature resistance can be to 200 degrees.
  • There are three wiring ways of metal button switch, screw pin wiring style, pin wiring style, direct lead wiring style.

How many kinds of push button switches are there?

Open type: Suitable for mounting on the panel of switch board, control cabinet or console.

Protective type: The product is with a protective case can prevent the internal button parts from mechanical damage or human to touch live parts.

Waterproof type: The product is with sealed housing can prevent rain intrusion.

Anti-corrosive type: It can prevent the chemical corrosive gas invasion.

Explosion-proof type: It can be used in places containing explosive gas and dust without causing detonation, such as coal mines and other places.

Knob type: Use handgrip to rotate the operation contact, there are have on and off two positions, generally the type is panel installation type.

Key type: Insert the key into the rotation for operation, which can prevent mis-operation.

Emergency type: Red mushroom button protruding outside, which is for the emergency power cut.

How to wire a push button switch?

The usual push button switch has 5 pins, the two pin of the side are indicator pins, the middle side by side is the switch pin.

If the push button switch is reset, the function of the middle pin is the common pin. Firstly, find out which two pins are connected after the normally open function (that is what you said press on and release to disconnect, the actual function of this switch is on-on, no matter you press or release, so you can choose two pins), Then turn on and off the two pin of the light button wiring front of the two pin series.

Yueqing Yulin Electronic Co., Ltd. Push Button Switch Wiring Diagram

Push Button switch wiring diagram