Systems pushbuttons, switches, LEDs, buzzers, etc. Mechanisms and control boxes for electrical devices and automation. Control boxes ready to use, and boxes user-configurable control as needed. The user can use different buttons to control automations, according to the needs of each installation. Ideal for industrial control electrical appliances, automatismos, doors, shutters, etc. Surface box for controls, buttons and switches, based on drilling diameter 22 mm. Buzzer for installation in holes of 22mm diameter. This is an acoustic indicator for electrical control panels and automation devices. Compatible with surface boxes for controls, buttons and switches, based on drilling diameter 22 mm.