Schneider Electric ZB4 Series Black Momentary Push Button Head, 30mm Cutout, IP66, IP67, IP69K

Operating temperature from -40°C –to 70°C
High vibration resistance with shake-proof terminal screws
Large set of accessories to customize your panels
Various types of connection are available: screw clamp, connector, Faston connector, spring terminal, or printed circuit board
A wide choice of contact blocks for general purpose or specific applications (low current, standard, or high power switching)
High performance even in the most demanding environments
Attractive design, reinforced with the flush mounting kit
Flexibility and adaptability through modular design
Simplicity and speed of installation
Wide offer providing a solution for all your applications
Applications
General purpose offer covering all segments and applications Industry
Machines and control panels in packaging, material handling, material working, pumping, etc.
Ideal in extreme environments: food and beverage, automotive, and outdoor use such as mining, water treatment, etc.
Building and infrastructure
Energy distribution panels, public works, restaurants, commercial buildings, airports, etc.

flush mounted black projecting pushbutton head white marked "O"