для клавиш с подсветкой (.. KO5)
The pull cord insert has to be plugged into a 1-gang cover with lens to extend switches or push-buttons with a cord.
Suitable push switches:
506 TU,
507 TU,
502 TU,
506 KOTU,
502 KOTUSuitable push-buttons:
531 U –
534 U