3SU1000-0AA50-0AA0 SIEMENS ⍾ 3SU10000AA500AA0

Pushbutton, 22 mm, round, plastic, black, pushbutton, flat, latching, Push-to-release mechanism

Pushbutton, 22 mm, round, plastic, red, pushbutton, flat, latching, Push-to-release mechanism

Pushbutton, 22 mm, round, plastic, yellow, pushbutton, flat, latching, Push-to-release mechanism

Pushbutton, 22 mm, round, plastic, green, pushbutton, flat, latching, Push-to-release mechanism

Pushbutton, 22 mm, round, plastic, white, pushbutton, flat, latching, Push-to-release mechanism

Pushbutton, 22 mm, round, plastic, black, pushbutton, flat, momentary contact type

Pushbutton, 22 mm, round, plastic, black, inscription: O, pushbutton, flat, momentary contact type

Pushbutton, 22 mm, round, plastic, red, pushbutton, flat momentary contact type

Pushbutton, 22 mm, round, plastic, red, inscription: O, pushbutton, flat, momentary contact type

Pushbutton, 22 mm, round, plastic, yellow, pushbutton, flat momentary contact type

Pushbutton, 22 mm, round, plastic, green, pushbutton, flat momentary contact type

Pushbutton, 22 mm, round, plastic, green, inscription: I, pushbutton, flat, momentary contact type