14
A DVAC® 3 8 K V I N STA LL ATI ON , OPE R ATI ON A N D M A I NTE N A NCE M A N UA L
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Insertion and removal
Removal
Confirm (through window) that breaker has been
opened and racked to the disconnect position.
1. Open switchgear breaker compartment door
to its fully opened position.
2. Ensure breaker is discharged by pressing
the close then open buttons sequentially.
3. Align lift truck left and right platform guides
with switchgear latch openings.
4. Raise platform for easy insertion of platform
guides, then lower lift truck until platform guides
are fully engaged and hooked into switchgear
compartment cell.
5. Pull back on lift truck to ensure platform is fully
engaged and level.
6. Grasp lower truck handles on both sides of
breaker and pull handles inward to unlatch
breaker from switchgear frame.
Pull breaker from compartment onto lift platform,
ensuring cell interlock tabs are engaged into the
platform slots and breaker truck handles lock into
the compartment module interlock slots.
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Summary of racking data
Position
Disconnect
Test
Connect
Approximate distance
from disconnect
40 mm
4 revolutions
1.5 inches
440 mm
44 revolutions
17.3 inches
Manual operation
Yes
Yes
Not recommended
Electrical operation
No
Yes
Yes
Control power available
No
Yes
Yes
Shutter
Closed
Closed
Open
Primary contacts engaged
No
No
Yes
Position indication
Positive lock and cell decal
Positive lock and cell decal
Positive lock and cell decal
Interlocks
Interference blocking prevents
Closing prevented between
positions mechanically
and electrically
Closing prevented between
positions mechanically
and electrically
Requirements to rack
breaker from position
Breaker open, position
release lever actuated
Breaker open, position
release lever actuated
Breaker open, position
release lever actuated
NOTE: Closed-door racking is recommended between all positions.
