(9) Waterproof button（push button switch): with sealed shell, it can prevent rainwater intrusion. Its code is s.
(10) Emergency button(push button switch): a large red mushroom button head protrudes outside, which can be used as a button to cut off the power supply in case of emergency. Its code is j or m.
(11) Open button(push button switch): a button that can be embedded and fixed on the panel of switch board, control cabinet or console. Its code is K.
(12) Interlocking button: a button with multiple contacts interlocked with each other. Its code is C.
(13) Knob type button: a button that rotates the operating contact with the handle. It has two positions of on and off. It is generally panel mounted, and its code is X.
(14) Key button: a button that can be operated by inserting and rotating the key to prevent misoperation or operated by a specially assigned person. Its code is y.
(15) Self supporting button: a button with self-supporting electromagnetic mechanism in the button, whose code is Z.
(16) Combined button: a button with multiple button combinations. Its code is e.
Push button switch has the advantages of small contact resistance, accurate operating force error and diversified specifications. They are widely used in electronic equipment and white household appliances, such as video and audio products, digital products, remote controls, communication products, household appliances, security products, playing equipment, computer products, fitness equipment, medical equipment, banknote checking pen, […]
Push buttons come in various types and configurations, but broadly speaking, they can be categorized into two main types based on their electrical contacts and functions: Normally Open (NO) Push Button: In a normally open push button, the circuit is open (no electrical continuity) when the button is at rest or not pressed. When the button is […]
Factors of choosing normally closed contacts for emergency stop buttonsThe emergency stop button contacts on electrical equipment are either normally open contacts or normally closed contacts. Therefore, people often ask whether the emergency stop button uses a normally closed contact or whether it uses a normally open contact. The factors are as follows:1. From the moment […]
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