Electronic voltage regulator R81 6V VAPE

GTIN/EAN: 4260415650320

Plug contact ground.
4 plug contacts 6.3mm with labeling:

"DF-", "51", "D+/61" and "DF+"

90x40x30 (with contacts)

DF - Connection for field coil to negative carbon

DF+ - Connection for field coil to positive carbon (RT/3 and BK)
ATTENTION: For RT and BK only usable for the 60 W alternator, not for the 45 W