LEGRAND 0 281 64, Manual

Page: 34 / 56

34
Protection unit
@6I
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x ln
ON
x
lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x ln
MAN AUT
ON x lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s r
tr
N
100%
50%
OFF
x ln
MAN AUT
ON
x
lr
l>.90
l>1.05
OK C
@6I
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s r
tr
N
100%
50%
OFF
x ln
ON
x
lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s r
tr
N
100%
50%
OFF
x ln
MAN AUT
ON
x
lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x ln
MAN AUT
ON x lr
l>.90
l>1.05
OK C
@6I
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x ln
ON
x
lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x ln
MAN AUT
ON
x
lr
l>.90
l>1.05
OK C
@6I
0 281 66
0.3
0.2
0.4
0.5 0.6 0.7
0.8
1 0.1
0.2
0.5
1
0.1
0.2
0.5
1
lg tg
test
2
3
4
6 8 10
12
15
lcw
li
x ln
1.5
2.5
2
3 4 5
6
8
10
x
lr
lsd
OFF
0.1
0.2
0.5
1 1 0.5
0.2
0.1
s
tsd l
2
t=k@12lr
lr
0.4
0.5
0.6
0.7 0.8 0.9
+ 0.00
0.02
0.04
0.060.080.1
5
10
20
30 30 20
10
5
MEM-OFF
s
r
tr
N
100%
50%
OFF
x
ln
MAN AUT
ON x lr
l>.90
l>1.05
OK C
Setting of time delay
(4+4 steps)
tsd=0.1-0.2-0.5-1s (t=const)
tsd=1-0.5-0.2-0.1s (i t=const)
Instantaneous short circuit
protection
Setting of current (9 steps)
Ii=2-3-4-6-8-10-12-15x In or Icw
At setting "Icw", Ii protection gets
disabled increasing the selectivity.
Neutral protection
Setting of current (3 steps)
N=OFF-50%-100%
Protection against over temperature
(not adjustable) t >95°C
*“Fixed instantaneous short
time protection=Isf=Icw@ 415V”
NEUTRAL PROTECTION
Position Protection
OFF No protected
50% Protected at 50% Ir-Isd-Ii
100% Protected at Ir-Isd-Ii