This series of pushbutton switches are used for automation and signals in control circuits below AC 660V, DC 440V with frequencies of 50Hz or 60Hz Features and specifications: 1) Basic spec code: 22mm 2) Protection grade: IP40, IP65 3) Meets international IEC947 standards 4) Meets European EN60947 standards 5) The front color: black(B), red (R), green (G) 6) Many types available: pilot lamps, pushbuttons, illuminated pushbuttons, selector switches, and key lock switches Inner packing: 20pcs/box Outer packing: Carton Carton dimensions: 35 x 30 x 25.5cm