Siemens SENTRON 3VA1 Manual page 137

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 ETU560 and ETU860 electronic trip units 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
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
3.2 Line protection applications of 3VA molded case circuit breakers
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
for neutral conductor protection (N)
N
Applications
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