Siemens Sentron 3VA Manual page 130

Applications
3.1 Use of the 3VA UL molded case circuit breakers in line protection
Electronic trip units ETU560 LSIG and ETU860 LSIG
ETU560 LSIG 3-pole and 4-pole units:
ETU860 LSIG 3-pole and 4-pole units:
Line protection - function LSIG
The electronic trip units ETU560 and ETU860 have:
● Adjustable parameter settings I
● Adjustable parameter settings I
● Adjustable parameter setting I
● Adjustable parameter settings I
● With 4-pole versions: adjustable parameter setting I
optionally available for 3-pole versions
128
and t for overload protection (L)
r ld
and t for short-time delayed short circuit protection (S)
sd sd
for instantaneous short-circuit protection (I)
i
and t for ground-fault protection (G)
g g
N
3VA molded case circuit breakers with UL and IEC certification
for neutral conductor protection (N)
Manual, 01/2019, L1V30435333-01