Description
2.8 Electronic trip unit ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
57
Metering functions - acc. to IEC 61557-12
ETU320
LI
ETU350
LSI
ETU360
LSIG
ETU650
LSI
ETU660
LSIG
Rotary coding switch
Display (LCD)
With metering function
MF Advanced
Voltage L-L and L-N
—
—
—
●
●
Power: active, reactive, apparent
—
—
—
●
●
Energy counter:
Active, reactive, apparent energy
—
—
—
●
●
Frequency
—
—
—
●
●
Power factor (p.f.)
—
—
—
●
●
Peak factor
—
—
—
●
●
Communication, input and output modules
ETU320
LI
ETU350
LSI
ETU360
LSIG
ETU650
LSI
ETU660
LSIG
Rotary coding switch
Display (LCD)
With Breaker Connect mo-
dule
COM040 (PROFIBUS)
—
—
—
●
●
COM041 (PROFINET)
—
—
—
●
●
COM042 (Modbus RTU)
—
—
—
●
●
COM043 (Modbus TCP)
—
—
—
●
●
IOM040 configurable,
digital I/O module
—
—
—
●
●
IOM300 configurable,
digital I/O module
●
●
●
●
●
Enabled functionalities
Energy monitoring and management
—
—
—
with COM
+ MF
with COM
+ MF
Remote parameterization
—
—
—
with COM
with COM
Remote switching and control
(synchronization)
—
—
—
with COM
3)
with COM
3)
Possible connections of internal and
external input and output modules
for interaction with the control panel
environment
with IOM300 with IOM300 with IOM300
with IOM
with IOM
3)
Actuator module COM ACT forwards the command to the closing coil (CC) or shunt release (ST)