Open button: generally used on the panel of switchgear, console and control cabinet.
Protective button: with a protective shell to prevent the internal parts from mechanical damage or the operator touching the live part.
Waterproof button: with sealed shell to prevent Rain Water from being immersed, for outdoor use.
Explosion-proof button: suitable for use in coal mines and other environments with explosive gas and dust.
Anticorrosive button: suitable for use in environments with chemical corrosive gases.
Emergency button: there is a large red mushroom head protruding from the button nut for use in case of emergency power cut off.
Key button: it can only be operated by inserting the button with the key to prevent misoperation.
Rotary button: use the handle to rotate the contact to turn on or break the circuit.
Button with lamp: the button with indicator light can also be used as indicator light.
Self-supporting button: there is a self-supporting device in the button, which is generally operated by the panel.
Two-speed button: the operation of the contact mechanism can convert the two-speed motor with two windings without intermission through the contactor to ensure the mechanical performance of the motor and other cranes during the speed change.