Siemens 3VA1 100 A Manual page 120

Applications
3.1 Line protection applications of 3VA molded case circuit breakers
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
120
and t for overload protection (L)
r r
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
for neutral conductor protection (N)
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02