Siemens SENTRON 3VL series - Page 37

Functions
4.1 Protection functions
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
37
Order No.
supplement
Releases
System
protection
System /
generator
protection
Motor
protection
Starter
protection
Non-automatic
circuit breakers
Function
Release type
LE
ETU20
—
✓
—
—
—
LSI
TE
ETU20
—
✓
—
—
—
LSI
NE
ETU20
—
✓
—
—
—
LSI
TF
ETU20
—
✓
—
—
—
LSIN
NF
ETU20
—
✓
—
—
—
LSIN
LF
ETU20
—
✓
—
—
—
LSIN
SG
ETU22
—
✓
—
—
—
LSIG
MG
ETU22
—
✓
—
—
—
LSIG
SH
ETU22
—
✓
—
—
—
LSIG
MH
ETU22
—
✓
—
—
—
LSIG
TH
ETU22
—
✓
—
—
—
LSING
NH
ETU22
—
✓
—
—
—
LSING
SS
ETU30M
3)
—
—
✓
—
—
LI
MS
ETU30M
3)
—
—
✓
—
—
LI
LS
ETU30M
3)
—
—
✓
—
—
LI
UP
LCD-ETU40M
3)
—
—
✓
—
—
LI
UH LCD-ETU40 — ✓ — — — LI, LS, LSI
UJ
LCD-ETU40
—
✓
—
—
—
LI, LSI, LIN, LSIN
UL LCD-ETU42 — ✓ — — — LSIG
UM
LCD-ETU42
—
✓
—
—
—
LSIG
UN
LCD-ETU42
—
✓
—
—
—
LSIG, LSING
1)
Size dependent
2)
TM to I
n
= 630 A
3)
Motor protection to I
n
= 500 A
L: Long time delay
S: Short time delay
I: Instantaneous
N: Neutral protection
G: Ground fault