Siemens SENTRON 3WL10 - Page 187

Setting parameters with the rotary coding switch
1. Select the rotary coding switch of the protection release for which you want to set or modify
the parameters.
2. Turn the arrow of the rotary coding switch to the required parameter value using a suitable
screwdriver. The rotary switch must noticeably engage at the value and the arrow must not
point to one of the lines.
Example short-time-delayed short-circuit protection ST, parameter set I
sd
=4xI
n
:
3
S
2.5
2
1.5
1
3.5
4
6
8
10
I
sd
=x I
n
The new parameter value is set and active.
Setting the neutral conductor protection with the DIP switches
1. Set the neutral conductor protection with the two DIP switches in the range "I
N
". The setting
symbols below the DIP switches show the necessary position of the DIP switches in relation
to each other.
Example neutral conductor protection OFF.
I
N
=x I
n
OFF
50%
100%
200%
Operation
6.1Operation
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
186 Equipment Manual, 10/2023, L1V30499596002-03