LEGRAND DMX3 Series

135
DMX
3
24. Ordinary maintenance
An ordinary maintenance, performed with its
respective frequency, is important in order to:
- check and maintain the efficiency of the product;
- identify parts/accessories damaged;
- prevent emergencies.
Periodical check and maintenance is recom-
mended on the following parts:
- mechanism;
- anti-shock opening spring;
- arc chutes;
- main contacts;
- draw-out system (if present);
- terminals;
- auxiliary;
- mechanical accessories (if present);
- electrical accessories (if present);
- trip unit.
For more details concerning maintenance pro-
cedures and their frequencies, consult the DMX
3
maintenance guide.
discharged
8
3
Im
6
4
5
s
0
.
1
0.0
0.01
0.3
tm
0.
2
0.3
0.2
0.1
I
2
t=k@12Ir
EM=
OFF
discharged
8
3
Im
6
4
5
s
0
.
1
0.0
0.
01
0.3
tm
0.2
0.3
0.2
0
.
1
I
2
t=k@12Ir
EM
=OFF
discharged
10
5
2
0.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
3
Im
6
4
5
s
xIn
0
.1
0.0
0
.
0
1
20
5
1
0
@6Ir
30
tr
30
20
0.3
tm
0.
2
0.3
0.2
0
.
1
I>1.05
I>.90
xIr
ON
N
0.00
0.02
0.04
0
.06
0.08
0.1
I
2
t=k@12Ir
MEM=OFF
s
1
.
.
5
Ii
Icw
4
3
2
8
6
10
12
15
xIn
discharged
10
5
2
0
.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
3
Im
6
4
5
s
xIn
0.1
0.0
0.
0
1
20
5
10
@6Ir
30
tr
30
20
0.3
tm
0.2
0.3
0.2
0.1
I>1.05
I>.90
xIr
ON
N
0.00
0.02
0.04
0.0
6
0.08
0.1
I
2
t=k@12Ir
MEM=OFF
s
1
.
.
5
Ii
Icw
4
3
2
8
6
10
12
1
5
xIn
discharged