Operation
6.1 Operation
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
198
Manual, 10/2018, L1V30499596002-01
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
:
The new parameter value is set and active.
Setting the neutral protection with the DIP switches
1.
Set the neutral 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 protection OFF.