ABB BUL2 - Page 9

1ZSE 5492-156 en, Rev. 4 | User's manual UBB 9
1. Bevel gear
2. Horizontal shaft with protection cover
3. Vertical shaft with protection cover
4. Rating plate
5. On-load tap-changer
6. Motor-drive mechanism
Layout of on-load tap-changer system.
2
3
4
1
1
5
6