Siemens vacuum circuit breaker 38-3AH3 38 kV - Manual (Page 19)

Vacuum interrupter/
operator
Figure 14: Type 38-3AH3 vacuum circuit breaker pole section
27.0
16.0 - Insulator
20.0 - Pole head
27.0 - Upper-connection terminal
28.0 - Strut
28.1 - Centering ring
29.0 - Lower-connection terminal
29.1 - Flexible connector
29.2 - Terminal clamp
30.0 - Vacuum interrupter
31.0 - Stationary contact
31.2 - Upper-terminal bolt
34.0 - Bellows (not shown)
35.0 - Guide bushing (not shown)
36.0 - Moving contact
36.3 - Eye bolt
40.0 - Pole bottom
48.0 - Insulating coupler
48.6 - Angled lever
48.9 - Guide link
49.0 - Contact-pressure spring
60.0 - Operator housing
63.0 - Jack shaft
63.7 - Lever
64.1 - Pawl (not shown)
64.2 - Pawl
31.2
30.0
31.0
36.0
28.0
28.1
29.2
29.1
36.3
29.0
40.0
20.0 16.0 60.0
48.6 48.9 48.0 16.0 49.0 64.2
63.0
63.7
19