Push buttons including kinds of Start/Stop buttons, Mushroom emergency switches, ON/OFF Selector switches, Start/Stop with light and changeover switches, are used to make and break current in electric circuits and operate kinds of systems and machinery as well as electric panels.
Signal lights are used to show and indicate if the electric circuits are connected or disconnected by being ON or OFF.
Electrokaveh Push buttons and signal light :
You can download the comprehensive catalog of Push button switch and signal light from Here. 
