Mounting Spacers; Fitting Mounting Spacers - Siemens SENTRON Manual

9.4

Mounting spacers

Mounting spacers are available separately for current ratings 250 A to 630 A. These are
used to increase the space between the mounting rail and the cabinet rear panel or the
mounting frame by 10 mm.
They can also be used as a replacement for the mounting spacers already fitted to the
transfer switching equipment.
Figure 9-9
The scope of supply includes one set comprising 2 mounting spacers.
Current rating
250 A ... 630 A
9.4.1

Fitting mounting spacers

The following steps are necessary for fitting additional mounting spacers.
Note
The mounting spacers must be attached before mounting the 3KC4 or 3KC8 transfer
switching equipment.
Procedure
1. Insert the mounting spacer on a mounting spacer already fitted on the transfer switching
equipment until it audibly engages.
Figure 9-10
Manual, 08/2017, L1V30368969104A-02
Mounting spacers
Number of poles
3 or 4 poles
Fitting mounting spacers
Position
Top
Accessories
9.4 Mounting spacers
Product number
3KC9820-3
153