The types and characteristics of rotary switches and push button switch

Rotary switches and push button switch may be classified according to the operating methods, the protection method, see more of the button type and features:
1, open type: suitable for embedded and fixed on the switch board, control cabinet, or the console panel. Code-named K.
2, key switch, with a key in rotation, can avoid the wrong operation or for someone to operate. Code-named Y.
3, maintenance: maintenance of shell, to avoid the internal button parts by mechanical damage or people hit a charged some, code-named H.
4, the anti-corrosion type: can avoid chemical corrosive gas invasion. Code-named F.
5, explosion-proof switch: can be used for the local rich in explosive gas and dust and do not lead to explosive, such as coal mine, etc. Code-named B.
6, waterproof switch: with sealed enclosure, can prevent water intrusion. Codenamed “S.
7, knob switch: the rotation operation contact with the hand, there are two bearing on and off, usually for panel mounting type. Code-named X.
8, pressing switch: is there a big red button mushrooms head protrudes from outside, for pressing block the supply. Code-named J or M.
9, self-restraint button switch: in a self-control with electromagnetic group button, first used in power plants, substations, or test equipment, operator announced each signal and instruction, etc., usually the panel operations. Code-named Z.
10, with lamp button: in a light button, except for release operation command signal instructions and, more is used in the control cabinet, the console panel. Code-named D.


Post time: Apr-17-2018