Siemens GMSG

20.0
16.0 - Insulator
20.0 - Upper pole-support (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
31.2
28.0
30.0
28.1
29.1
29.2
36.3
40.0 48.6 48.048.9
30.0 - Vacuum interrupter
31.0 - Stationary contact
31.2 - Upper terminal-bolt
36.0 - Moving contact
36.3 - Eye bolt (or adapter)
34.0 - Bellows (not shown)
35.0 - Guide bushing
40.0 - Lower pole-support (pole-bottom)
Vacuum interrupter/operator
Figure 14: Type GMSG vacuum circuit breaker pole section
16.0
27.0
29.0
31.0
36.0
48.0 - Insulating coupler
48.6 - Angled lever
48.9 - Drive 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 (not shown)
35.0
49.0
60.0
63.0 63.7
63.0
19