Siemens vacuum circuit breaker 38-3AH3 38 kV - Manual (Page 20)

Vacuum interrupter/
operator
Figure 15: Stored-energy operating mechanism
50.1 - Manual-spring charging port
50.2 - Charging-mechanism gear box
50.3 - Charging flange
50.3.1 - Driver
50.4 - Spring-charging motor (behind limit
switches)
50.4.1 - Limit switches
53.0 - Close button
53.1 - Close coil
54.0 - Open button
54.1 - Trip coil
54.2 - Undervoltage release (not shown)
55.0 - Spring-charge indicator
55.1 - Linkage
55.2 - Control lever
58.0 - CLOSED/OPEN indicator
59.0 - Operation counter
60.0 - Operator housing
61.8 - Shock absorber
62.0 - Closing spring
62.2 - Crank
62.3 - Cam disc
62.5 - Lever
62.5.2 - Close-latch pawl
62.6 - Driver lever
62.8 - Trip-free coupling rod
63.0 - Jack shaft
63.1 - Phase C lever
63.5 - Phase B lever
63.7 - Phase A lever
64.0 - Opening spring
64.2 - Pawl
64.3 - Lever
64.3.1 - Pawl roller
68.0 - Auxiliary switch
68.1 - Linkage
68.0
53.0
53.1
54.1
54.0
63.1
50.2
62.2
50.1
55.1
62.0
50.4.1
50.4
55.0
58.0
59.0
63.7
60.0 61.8 64.0 63.5 62.8 64.3 64.3.1 63.0
64.2
55.2 50.3 50.3.1 62.3 62.6 62.5 62.5.2
68.1
20