Bticino Megabreak 2500, Installation Manual

Page: 128 / 136

128
22. Standard
functions of
the breaker
22.1 Reset button
MAN position.
Default setting for a new product.
In this position it’s possible to prevent the closing after a trip commanded by protection unit
(button ejected).
When this function is selected, the operator must insert the button before to close again the
breaker.
AUT position.
Mostly used in monitoring systems.
In this position the breaker can be always closed after a trip commanded by protection unit
(button remains inserted).
Breaker will be always ready to close when its status is like this:
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
NB: In order to set the button in AUT position:
1. Push the button until the end with a flat screwdriver.
2. Pushing, turn the selector 90° in AUT position.
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
0.01
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
0.06
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>1.0
5 I>.90
xIr
ON
N
0.00 0.0 2
0.0
4 0.0
6
0.0 8 0.1
I 2 t=k@12Ir
ME
M=OF F
s
1.
.5
Ii
Icw
4
3 2
8
6
10
12
15
xIn
max x3 ø5...8
For use with automatic change
over systems (with feedback
function) set the reset button in
MAN position.