Siemens 3AP2-FI - Pole Column Structure and Components

3 Description
3.3 Pole Column
The circuit-breaker's three pole columns are of identical design. Fig. 3 shows a cross-section of a pole column.
The double break assembly unit is mounted on post insulators which provide insulation against earth.
22.22
15.16.3
15.11
15.9
15
15.8.3
15 Corner gear
15.11 Filter cowl
15.16.3 Filter bag
15.8.3 Shaft
15.9 Lever
16 Post insulator
16.9 Operating rod
18.27.1 Driving rod
21 Bell-crank mechanism
22 Interrupter unit
22.1 Jacket
22.22 High-voltage terminal
Fig. 3 Sectional view of pole column
15