ABB UC Series - Page 26

26 Maintenance guide UCG | 1ZSE 5492-124 en, Rev 6
Fig. 13. Example of contact-timing diagram, BUE.
PositionMin. 3 turnsPosition
–—— Contact closed Turns of the hand crank of the mechanism
H
x
u
V
V
y
Min. 2 turns
Turns of the hand crank of the mechanism
PositionMin. 2 turnsPosition
–—— Contact
Position
Fig. 14. Example of contact timing diagram, BUL.
PositionMin. 3 turns