Siemens S3VA53T Installation Instructions

INSTALLING THE BREAKER:
17. Refer to Figure 11 and orient the prepared breaker
such that the "ON"-side (with Bus Extensions) fits
onto the top of the straps and the "OFF"-side sits
properly on the Breaker Mounting Bracket (Item 5).
18. Fasten the breaker to the Breaker Mounting Bracket
(Item 5) with two #8-32 screws (part of Item 15).
(NOTE: Some breakers are packaged with a pair
of Breaker-Mounting Screws. If this occurs, dispose
of the pair that shipped with the breaker and use the
pair from this kit.)
19. Align the Bus Extension (part of Item 15) holes with
the holes in the Straps (Items 1, 2 and 3) and fasten
with one 5/16"-18 screw (part of Item 15) per phase.
Figure 11
15
15
20. Keeping components aligned, tighten all screws to
the torque values specified on the back of the
deadfront (or the table on Page 2).
INSTALLING THE NEUTRALS:
21. If this kit is installed in a panelboard with a neutral,
refer to Figure 12a and install the Panelboard Branch
Neutral Lug Assembly (Item 13). Locate on the
Branch Neutral at either the top or bottom of the
Z-rails. Lug can be mounted on either side of the
Branch Neutral, depending on cable feed location.
Figure 12b
13
Figure 12a
14
22. If this kit is installed in a switchboard with a neutral,
refer to Figure 12b and install the Switchboard Branch
Neutral Lug Assembly (Item 14). It can be mounted
as shown or on any available hole of the branch
neutral, depending on cable feed location.
These instructions do not purport to cover all details or variations in equipment, or to provide for every possible contingency
to be met in connection with installation, operation or maintenance. Should further information be desired or should particular
problems arise, which are not covered sufficiently for the purchaser's purposes, the matter should be referred to the local
Siemens sales office. The contents of this Instruction manual shall not become part of or modify any prior or existing
agreement, commitment or relationship. The sales contract contains the entire obligation of Siemens. The warranty
contained in the contract between the parties is the sole warranty of Siemens. Any statements contained herein do not
create new warranties or modify the existing warranty.
Trademarks - Unless otherwise noted, all names identified by ® are registered trademarks of Siemens AG or Siemens
Industry, Inc. The remaining trademarks in this publication may be trademarks whose use by third parties for their own
purposes could violate the rights of the owner.
23. Keeping components aligned, tighten all screws to
the torque values specified on the back of the
deadfront (or the table on Page 2).
INSTALLING THE DEADFRONT:
NOTE: Provision Filler Plate Assembly (Item 16) is not
part of kits KS3VA53T or KS3VA53TD. Skip Step 24.
24. If a provision is in place, refer to Figure 13a and install
the Provision Filler Plate Assembly (Item 16) in the
appropriate Cover Plate (Item 6) opening. Place a
screw into each of the two corner square holes and
locate the filler plate onto the front of the Cover Plate,
with the label facing out. Then, fasten two lock nuts
onto the screws from the rear of the Cover Plate.
6
Figure 13a
16
25. If the breaker is in place, refer to Figure 13b and
position the Cover Plate (Item 6) over the 6.25" unit
space and fasten with four 1/4"-20 screws (Item 7)
onto the deadfront rails, one at each corner.
Figure 13b
11
10
26. Mark the I.D. cards (Item 11) as desired and place
onto the rear of Card Holder (Item 10), with the
marking facing out. Attach this subassembly to the
Cover Plate (Item 6) by aligning and pushing the
Card Holder pins (Item 10) into the appropriate pair
of holes in the Cover Plate (Item 6).
FINAL PREPARATION:
27. Before energizing the equipment, ensure that
the deadfront, barriers and fillers are in place and
secure, and that all the covers are properly installed.
-4-
S
Distribution Switchboard Section /
Power Panel Branch Mounting Kit
S3VA53T / S3VA53TD
for Single-Mount 3VA53 / 3VA63 Breaker
For factory-installed provisions, verify that the strap kit contains
bus extensions. (See Figure 8 on page 3 for reference.)
If bus extensions are not included, kit S3VA53PR is required,
one kit per breaker. Consult Siemens Sales for more details.
*
This instruction sheet can also be used as reference for
these two Panel Builder kits: KS3VA53T & KS3VA53TD
These two kits will ship with all the same components as kits
6
nut keepers & provision filler plate assemblies
Nut keepers must be purchased with the breaker. Order options are:
for 3VA53/63 breakers:
or factory-installed on the breaker by using a "2" as the 12th
character in the breaker order: ( Ex.: 3VA53405EC320AA0 )
8
Additionally, when installing a factory-installed provision,
nut keepers must be purchased with the breaker
Item # 9 : This is composed of four sets of different length screws.
Instruction card 11-B-1009-01 is included, to guide the user
on which screw length to use, depending on bus laminations.
Item numbers above reference the table on pg. 2
*
S3VA53T & S3VA53TD except for:
3VA9473-0QA00 (kit of 3)
Hardware Key:
(nominally to scale)
Item # 7
Item # 8
Installation
Instructions
15-A-1078-01 Rev. 00