User Manual

Description
2.4 Electronic trip unit ETU600
3WA Air Circuit Breakers
Equipment Manual, 05/2021, 92310000002-03
73
2.4.2.4 Rotary switch
The electronic trip unit has five rotary switches for parameterizing the basic protective
functions.
Nine fixed values can be set mechanically for each rotary switch. The tenth position is marked
with “e.SET”. In this position, the parameter can be set via the display or with the help of the
SENTRON powerconfig configuration software via Bluetooth or communication.
The basic settings for the “e.SET” position are set as follows at the factory:
• I
r: 0.4 x In
• t
r: 0.5 s
• I
sd: 0.6 x In
• t
sd: 0.1 s FIXED
• I
i 1.5 x In