Setting Options Of The Overcurrent Release - Siemens SENTRON 3VL160X System Manual

Iec molded case circuit breakers
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Functions
4.1 Protection functions
4.1.3

Setting options of the overcurrent release

VL160 to VL1600
In view of the large number of setting options of the individual overcurrent releases, an
overview in table form is useful for calculating the optimal operating point.
Table 4- 3
Overcurrent tripping method - setting options
Order No.
Releases
supplement
DK
M
5)
DE
M
5)
EE
M
5)
DA
TM
2)5)
DD
TM
2)5)
DC
TM
2)5)
EH
TM
2)5)
EJ
TM
2)5)
EA
TM
2)5)
EC
TM
2)5)
EM
TM
2)5)
SP
ETU10M
MP
ETU10M
SB
ETU10
MB
ETU10
LB
ETU10
TA
ETU10
NA
ETU10
LA
ETU10
TB
ETU10
NB
ETU10
SL
ETU12
ML
ETU12
SF
ETU12
MF
ETU12
TN
ETU12
NN
ETU12
SE
ETU20
ME
ETU20
38
L
Overload
Short-circuit protection
protection
(short-time delayed)
I
= x I
I
r
n
sd
1
0,8 ... 1
0,8 ... 1
1
0,8 ... 1
1
0,8 ... 1
0,8 ... 1
0,4 ... 1
3)
0,4 ... 1
3)
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
0,4 ... 1
1,5 ... 10
0,4 ... 1
1,5 ... 10
Setting options
S
1)
Short-circuit
(instantaneous)
= x Ir
t
[s]
sd
0 ... 0,5
0 ... 0,5
I
1)
Ground-fault protection
protection
I
= x I
I
= I
i
n
g
n
7 ... 15
8 ... 18
8 ... 18
9 ... 18
4)
9 ... 18
4)
5 ... 10
9 ... 18
4)
5 ... 10
9 ... 18
4)
5 ... 10
5 ... 10
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
1,25 ... 11
0.6 ... 1, OFF
1,25 ... 11
0.6 ... 1, OFF
1,25 ... 11
0.6 ... 1, OFF
1,25 ... 11
0.6 ... 1, OFF
1,25 ... 11
0.6 ... 1, OFF
1,25 ... 11
0.6 ... 1, OFF
11
11
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
G
t
[s]
g
0,1 ... 0,3
0,1 ... 0,3
0,1 ... 0,3
0,1 ... 0,3
0,1 ... 0,3
0,1 ... 0,3

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