CEV 12V 70A relay.
OEM relay for several A55 Tomos mopeds including:
06-08 arrow r
08-09 streetmate r
10-12 streetmate r
Tomos part number - 230843
Has four prongs labeled 85, 86, 87 and 30
Also found on many other bikes from Derbi and Aprilia. Compare to your original!
Made in Italy.