ABB ZS1 - Page 39

40 ABB Power Distribution
Figure 5/17: Top mounted box with earthing switch for busbar
earthing
77 Top mounted box of the earthing switch
78 Operating mechanism box
78.1 Operating shaft
78.2 Slide
78.4 Auxiliary switch ON
78.5 Auxiliary switch OFF
78.6 Blocking magnet
A A
77
78.1
78
Section A-A
78.5
78.4
78.2
78.6