ABB ZS1 - Page 64

ABB Power Distribution 65
Figure 7/7: Manual earthing switch mechanism with auxiliary
switches
11.3 Auxiliary switch Q8S1, earthing switch OFF
11.4 Auxiliary switch Q8S2, earthing witch ON
14.1 Operating shaft (earthing switch)
14.2 Slide
14.3 Cam plate, adjustable
Figure 7/8: Motor-operated earthing switch mechanism with
auxiliary switches as installed, covers removed
11.3 Auxiliary switch Q8S1, earthing switch OFF
11.4 Auxiliary switch Q8S2, earthing switch ON
14.1 Operating shaft
14.6 Blocking disc
14.7 Cam
Y0
11.4
11.3
11.3
14.1
14.2
14.3
11.4
14.6
14.7
14.1
Figure 7/5: Detailed view of the opening and closing mechanism
13.2.1 ON push rod
13.25 Plastic cam
13.26 Lever
Y1 Closing blocking magnet
Figure 7/6: Manually moveable withdrawable part, front plate
removed
Y0 Blocking magnet for withdrawable part
13.2.1
13.25
13.26
Y1