Glow plug unit with N terminal 48 V, 25 mA Module inserts red - for rocker switches off/changeover, cross, 2-pole Off 10 AX - for rocker switch series illuminated - for rocker buttons and rocker buttons except order no. 503404, 503808 - for lighting and control circuit Not suitable for pushbutton switches and pull switches as well as rocker switches and buttons from 1985 to 1995.
