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Instruction Book IB019009EN November 2017 www.eaton.com
AK-2-25, AK-2A-25, & AK-3A-25 LV-VSR
Breaker-To-Motor Starter Conversion
SECTION 5.A: INSTALLATION OF
AK-2-25 LV-VSR
5.A.1 CELL MODIFICATION INSTRUCTIONS
WARNING
FAILURE TO COMPLETE THE FOLLOWING CELL CODING MODIFICATION
TO EACH CELL INTENDED TO RECEIVE THIS SPECIFIC BREAKER-TO-
MOTOR STARTER REPLACEMENT (VSR) CAN RESULT IN DAMAGE TO THE
VSR, DAMAGE TO THE SWITCHGEAR AND ATTACHED EQUIPMENT AND
COULD RESULT IN BODILY INJURY OR DEATH. DO NOT PERFORM THESE
MODIFICATIONS ON AN ENERGIZED CELL.
IF THE CELL CAN NOT BE DE-ENERGIZED, THEN PROPER NFPA 70E
PERSONAL PROTECTIVE EQUIPMENT MUST BE WORN AT ALL TIMES
WHILE PERFORMING THE CELL CODING MODIFICATION. FAILURE TO
COMPLY WITH THIS WARNING COULD CAUSE SEVERE PERSONNEL
INJURY, EQUIPMENT DAMAGE, OR DEATH.
1. Place the cell code/rejection cutting template into the right
hand channel of the switchgear. The block on the back of the
cell code/rejection cutting template will be on the inside of
the switchgear with the right edge of it resting on the lever-
in bracket located in the switchgear. The slot in the cell code/
rejection cutting template fits over the protruding channel web.
(Figure 5.A.1)
Figure 5.A.1. Installing Cell Modification Template
Figure 5.A.2. Marking The Cutting Area With Marker
Figure 5.A.3. Smoothing The Cut Area With A File
2. Using a felt tip pen mark the right lip of the switchgear using
the cutout located in the cell code/rejection cutting template.
(Figure 5.A.2)
3. Remove the cell code/rejection Cutting Template from the
switchgear.
4. Using the appropriate tools cut out the area marked in step
2. Do not cut on the mark, just cut up to the mark, being careful
not to cut past the mark.
5. Use a file to clean rough edges from cut out. Clean all metal
shavings after modification has been completed. (Figure 5.A.3)
6. After performing the cell coding modification the LV-VSR
may be inserted into the switchgear. (See Section 5.A.3 for
the insertion procedure.) The modification does allow the
insertion of a circuit breaker, but the absence of the cell coding
modification prevents the LV-VSR from being inserted into a
normal feeder breaker cell structure.
7. Since the LV-VSR unit is for use in exisiting metal-enclosed
switchgear, insertion procedures are similiar.
5.A.2 COMPARTMENT DOOR MODIFICATIONS
The four studs located on the inside of the compartment door must
be cut down to be 7/16” long, if present, due to interference with
the new starter replacement. Use the appropriate tools to cut off
these studs to length. See Figure 5.A.4, door with studs.
Figure 5.A.4. Compartment Door Modifications
