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Siemens SENTRON 3VL - Setting Options

Siemens SENTRON 3VL
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Functions
5.1 Current protection
3VL molded-case circuit breakers
46 System Manual, 03/2009, 110 0110 - 02 DS 01
5.1.3 Setting options
In view of the large number of setting options of the individual overcurrent trip units, an
overview in table form is useful for calculating the optimal operating point.
Table 5- 2 Overcurrent tripping method - setting options
Setting options
L
Overload
protection
S
1)
Short-circuit protection
(short time delay)
I
1)
Short-circuit
protection
(instantaneous)
G
Ground fault protection
Order No.
supplement
Trip unit
I
r
= x I
n
I
sd
= x I
r
t
sd
[s] I
i
= x I
n
I
g
= I
n
t
g
[s]
DK M - - - 7 ... 15 - -
DC
EJ
EC
EM
TM
2)
TM
2)
TM
2)
TM
2)
0,8 ... 1
0,8 ... 1
0,8 ... 1
0,8 ... 1
-
-
-
-
-
-
-
-
5 ... 10
5 ... 10
5 ... 10
5 ... 10
-
-
-
-
-
-
-
-
SP
MP
SB
MB
TA
NA
TB
NB
ETU10M
3)
ETU10M
3)
ETU10
ETU10
ETU10
ETU10
ETU10
ETU10
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SL
ML
SF
MF
TN
NN
ETU12
ETU12
ETU12
ETU12
ETU12
ETU12
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
-
-
-
-
-
-
-
-
-
-
-
-
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
0.6 ... 1 OFF
0.6 ... 1 OFF
0.6 ... 1 OFF
0.6 ... 1 OFF
0.6 ... 1 OFF
0.6 ... 1 OFF
0.1/0.3/Off
0.1/0.3/Off
0.1/0.3/Off
0.1/0.3/Off
0.1/0.3/Off
0.1/0.3/Off
SE
ME
TE
NE
TF
NF
ETU20
ETU20
ETU20
ETU20
ETU20
ETU20
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
1,5 ... 10
1,5 ... 10
1,5 ... 10
1,5 ... 10
1,5 ... 10
1,5 ... 10
0 ... 0,5
0 ... 0,5
0 ... 0,5
0 ... 0,5
0 ... 0,5
0 ... 0,5
11
11
11
11
11
11
-
-
-
-
-
-
-
-
-
-
-
-

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