Technical characteristics ø 30 > GENERAL Characteristics > Storage temperature for illuminated or non illuminated button Standards Data - 40°C to + 70°C > Operating temperature Non illuminated buttons: - 25°C to + 70°C Illuminated buttons: - 25°C to + 60°C > Degree of protection IP 65 for standard heads IP 67 for shrouded heads IEC 60529 Spring return push button: IEC 60947-5-1 > Mechanical life 3 x 106 operating cycles The blocks used for diameter 30 are the same as for diameter 22. Their characteristics are described on p. 95 > MOUNTING THE BLOCKS 125