ABB VD4X Instruction Manual page 20

20 V D 4 X I N S T R U C T I O N M A N U A L
—
Figure 3/6: Vacuum
circuit-breaker type
VD4X
—
Figure 3/7:
Stored-energy
spring mechanism
with auxiliary
equipment –front
plate removed.
—
Figure 3/8:
Emergency manual
operation of the
circuit-breaker,
shown with front
plate
—
Figure 3/6
1
1.1 Front plate
2 Mechanical ON push-button
3 Mechanical OFF push-button
4 Mechanical position indicator
5 Mechanical operating cycle counter
6 Recess for charging lever (emergency manual operation)
8 Mechanical charging condition indicator
9 Mounting plate
10 Breaker pole
2
3
5
4
—
Figure 3/8
10
9
1 1.1
Circuit-breaker operating mechanism
32
8 7
5 2 3 6
4 8
2 7
—
Figure 3/7
6 Recess for charging lever 32
20 Ratchet wheel
21 Charging motor
22 Chain drive
23 Drum with spiral spring
24 Release and control mechanism on the mechanism shaft
25 Opening spring
26 Release and control mechanism area
27 Mechanism shaft
28 Cam disc
34 Magnet holder, complete
35 Auxiliary switch block -BGB
6
2 Mechanical ON push-button
3 Mechanical OFF push-button
4 Mechanical position indicator
5 Mechanical operating cycle counter
6 Recess for charging lever
7 Rating plate
8 Mechanical charging condition indicator
32 Charging lever
26 34
2 8 24 23
35
25
6
20
21
22