22MM PLASTIC ROUND COMPLETE UNIT COMBINATION: TWIN PUSHBUTTON+INDICATOR LIGHT MOMENTARY CONTACT TYPE WITH FLAT BUTTONS ILLUMINATED WITH LAMP HOLDER BA 9S WITH LAMP 2W, 24V AC/DC SPRING-LOADED TERMINAL,1NO,1NC INCL. HOLDER FOR 3 ELEMENTS WITH HOLDER GREEN-RED INSCRIPTION GREEN: I RED: O !!! Phased-out product !!! SIRIUS ACT 3SU1 is successor Preferred successor type is >>3SU1001-3AB42-0AK0 + 3SU1500-0AA10-0AA0 + 3SU1400-1AA10-3CA0 + 3SU1400-1AA10-3BA0<<