Siemens SENTRON 3WL10 Equipment Manual page 65

Description
2.9 Electronic trip unit ETU
Protection
Ground-fault protection with current measure‐
ment at the star point (G
RET
MCR protection function - making current release
during closure
Monitoring of direction of power flow and power
factor determination (with metering function
MF)
2nd parameter set
Equipment
Display (LCD)
Setting with rotary coding switch
Setting via control buttons next to the ETU display
Data display via control buttons next to the
ETU display
Metering function as option MF Basic
Metering function as option MF Advanced
Internal I/O module IOM040 with 2 inputs and
2 outputs as an option
External I/O module IOM300 with 10I and 11O as
an option
Front interface for parameterization, testing, and
data read-out
Communication
Communication Modbus RTU, Modbus TCP, PRO‐
FIBUS, or PROFINET as an option
Write protection for communication
Deactivation of communication for access from
external
Self-monitoring / diagnostics
Watchdog monitored (hardware, firmware) (trip‐
ping or only alarm)
Continuous CT and tripping coil monitoring (trip‐
ping or only alarm)
Protection by temperature monitoring (can be
deactivated)
Thermal memory (LT adaptation) can be deacti‐
vated
64
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ETU320 ETU350
LI LSI
— —
— —
— —
— —
ETU320 ETU350
LI LSI
— —
● ●
— —
— —
— —
— —
— —
— —
● ●
ETU320 ETU350
LI LSI
— —
— —
— —
ETU320 ETU350
LI LSI
● ●
● ●
● ●
— —
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
ETU360 ETU650
LSIG LSI
— ●
— ●
— ●
— ●
ETU360 ETU650
LSIG LSI
— ●
● —
— ●
— ●
— ●
— ●
— ●
— ●
● ●
ETU360 ETU650
LSIG LSI
— ●
— ●
— ●
ETU360 ETU650
LSIG LSI
● ●
● ●
● ●
— ●
Equipment Manual, 10/2023, L1V30499596002-03
ETU660
LSIG
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ETU660
LSIG
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ETU660
LSIG
●
●
●
ETU660
LSIG
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