ABB UniGear ZS1 Instruction Manual page 40

Figure 60: Panels - 12/17.5 kV - Top-mounted box with earthing switch for busbar earthing
77 Top-mounted box for top-mounted 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 Locking magnet
38
77
78.1
78