Description
2.8 Electronic trip unit ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
48 Manual, 10/2018, L1V30499596002-01
Two individual series of electronic trip units
ETU, 3-series
• LI, LSI, LSIG protection function
• Adjustable neutral protection
• Rotary coding switch in 3VA design
• Tripping characteristics with selective design
for the 3WL and 3VA family
• Operation in the temperature range from
-25 °C to +70 °C
ETU, 6-series
• LI, LSI, LSIG protection function
• Adjustable neutral protection
• Display and modularly expandable functio-
nality
• Fine adjustment for increased selectivity
requirements
• Communication-capable
• Metering function (Basic & Advanced)
• Enhanced protection functions for tailored
applications & specific network requirements
• Residual current protection
• Ground fault protection in the star point
• Interactive I/O functionalities
• Operation in the temperature range from
-25 °C to +70 °C
To Next Page
Loading...
