If it is Tuchel or DIN 41622 you can find them at REichelt , they have the 8,12,16,20 and30 pin connector in there catalog
8 pin Male ML A8 Female FL B8
12 pin ,, ML A12 ,, FL B12
16 pin ,, ML A16 ,, FL B16
20 pin ,, ML A20 ,, FL B20
30 pin ,, ML A30 ,, FL B30
The also have the hoods for them and the groundplate and the special bolts for them to mount.