4-fold indicator blinking electronics for St. Andrew`s crosses.
Suitable for St. Andrew`s cross item-No. 5058 (H0) and item-No. 5803 (N), and route indicator signals item-No. 5061 and 5062. For automatic operation the electronic relay item-No. 5552 and switching tracks resp. the reed contact item-No. 6840 (H0) are required.