Industry News

Under normal circumstances, how to distinguish the button switch normally open and normally closed?

Views : 4418
Author : HBAN PUSH BUTTON SWITCH
Update time : 2022-07-21 09:42:53

The push button switch refers to the button that uses the button to push the transmission medium, so that the moving contact point and the stationary contact point are connected or dissociated, and the power circuit is switched. The button switch is a main command appliance with a simple structure and a wide range of operations. 

Q.How to judge whether the button switch is normally open and normally closed 
 
 1. It can be distinguished by the color of the wiring harborage, because if it's blue or green, it's a typically open contactpoint.However, it's a normally closed contact point, If it's red or pink. Because it has two groups, which means that it's normally open and typically closed, and also these two contact points can be touched to make or dissociate the button that can control the circuit. In order to avoid functional miscalculations, we need to flash back that different colors represent different meanings. 


2. Metal push button, Generally speaking, the upper end is normally closed, and the lower end is normally open. This is also the easiest way.

 


 3. The further professional system is to use a digital multimeter to distinguish it. First, acclimate to the on- off train, and also use two test pens to communicate different contact pointsrespectively.However, it means that it's a normally closed point, If a telephoning sound is heard. On the negative, it means that it's a normally open point, that is, no. 

Related News
Read More >>
1NO1NC Push Button Switch Guide | HBAN Push button 1NO1NC Push Button Switch Guide | HBAN Push button
Apr .23.2025
Learn everything you need to know about 1NO1NC push button switches—how they work, where to use them, how to troubleshoot common issues, and how to choose the right model for your system.

Upgrade your control system today with a reliable, space-saving
Guide to waterproof push button switches that enhance equipment durability | HBAN Push button Guide to waterproof push button switches that enhance equipment durability | HBAN Push button
Apr .12.2025
Waterproof pushbutton switches are an indispensable component in many electronic devices, especially in harsh environments such as humidity and dust. This article will detail the characteristics, importance, types and application areas of waterproof pushb
Discover The Surprising Benefits Of Using A Mushroom Push Button | HBAN Push button Discover The Surprising Benefits Of Using A Mushroom Push Button | HBAN Push button
Mar .31.2025
Mushroom push button switches are essential components in industrial safety and automation systems. With their distinctive design and reliable functionality, they are ideal for emergency stops and control panels. This article explores what mushroom button
Momentary vs maintained push button | HBAN Push button Momentary vs maintained push button | HBAN Push button
Mar .18.2025
Discover the key differences between momentary and maintained push buttons, their applications, advantages, and how to choose the right switch for your needs.