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Siemens 38-3AH3 38 kV Instruction Manual page 20

Vacuum circuit breaker
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Figure 15: Stored-energy operating mechanism
62.2
50.2
50.1
55.1
62.0
50.4.1
55.0
50.4
58.0
63.7
59.0
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)
20
Vacuum interrupter/
operator
55.2
50.3 50.3.1 62.3 62.6 62.5 62.5.2
60.0
61.8
64.0 63.5 62.8 64.3 64.3.1
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
62.5.2 - Close-latch pawl
63.0
62.6
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
- Lever
68.0 - Auxiliary switch
68.1 - Linkage
68.0
53.0
53.1
54.1
54.0
64.2
68.1
63.1
- Driver lever

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