Siemens SENTRON 3VL - Page 45

Functions
5.1 Current protection
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
45
Order No.
supplement
Trip unit System
protection
Motor
Protection
Starter
protection
Generator
protection
Function
Release type
SG
MG
SH
MH
TH
NH
ETU22
ETU22
ETU22
ETU22
ETU22
ETU22
✓
✓
✓
✓
✓
✓
-
-
-
-
-
-
-
-
-
-
-
-
✓
✓
✓
✓
✓
✓
LSIG
LSIG
LSING
LSING
LSING
LSING
SS
MS
ETU30M
3)
ETU30M
3)
-
-
✓
✓
-
-
✓
✓
LI
LI
CP
CH
CJ
LCD-ETU40M
3)
LCD-ETU40
LCD-ETU40
-
✓
✓
✓
-
-
-
-
-
✓
-
-
LI
LSI
LSIN
CL
CM
CN
LCD-ETU42
LCD-ETU42
LCD-ETU42
✓
✓
✓
-
-
-
-
-
-
-
-
-
LSIG
LSIG
LSING
1)
Dependent on frame size
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