(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 refers to a switch that uses the push button to push the transmission mechanism, make the dynamic contact and static contact on or off, and realize circuit replacement. Push button switch is a kind of master electrical appliance with simple structure and wide application. In the electric automatic control circuit, it is used […]
Working principle of the push button switchThe operating force of the key switch is related to the state of the reed. The starting force is directly proportional to the compression distance of the reed. When the reed is compressed to 5% – 70%, the operating force suddenly decreases, accompanied by a “ticking” sound. There are generally […]
The basic concept of metal push button switchMetal push button switch is a kind of power supply that uses modern power electronic technology to control the timing ratio of switch tube registration and turn off to maintain a stable output voltage. Metal push button switches are usually composed of pulse width modulation control ICs and MOSFETs. […]
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