Megabreak®
131
• Tripping test check
- keep pushing T button longer than 2 sec and verify that:
all leds light on for 1 second (ON LED on orange, the others on red)
the device trips
the display shows that the device has tripped
RESET button has been released
- To reset the device, push RESET button and set it back (see protection unit user manual)
• To verify that all the accessories specifications are consistent with the auxiliary circuit voltage and
the electric diagram
Functioning check
• To verify the device mechanical functioning, contacts opening and closing
• In case of devices with mechanical interlock, to verify that the functioning logic is according to
the needs based on the interlock diagram
• To verify the lock systems, if any (open position, draw-out position…)
Auxialiries wiring and installation check
• To verify the auxiliary circuits proper installation
• To verify the correspondence of the terminals wiring
• To verify the correspondence of the auxiliary circuit wiring.
Under voltage checks
Dielectric checks must be performed in the distribution center according to the international
standards by qualified personnel with suitable machineries.
It’s mandatory to respect all the following indications in order to avoid damages for people and
device.
• Dielectric checks
- To set the DIELECTRIC TEST button on the front of the breaker (if any) in DIELECTRIC TEST
position (see the dielectric checks clause)
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
- Manual control
- To performe at least two opening/closing cicles
discharged
charged
dischar
ged
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
@6I
r
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@1
2Ir
MEM
=OF
F
s
1
.
.
5
Ii
Icw
4
3
2
8
6
10
12
15
xIn
discharged
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
0.0
0
0.0
2
0.0
4
0.06
0.08
0.1
I
2
t=k@12
Ir
MEM=OFF
s
1
.
.
5
Ii
Icw
4
3
2
8
6
10
12
15
xIn
charged
Summary of Contents for Megabreak 2500
Page 1: ...Megabreak Manuale installatore Installation manual Y3142G 01GF 16W39...
Page 2: ...2 Megabreak IT UK ITALIAN 3 ENGLISH 69...
Page 32: ...32 Megabreak 6300 3 poli 68 130 130 130 130 130 68 90 30 85 30 354 100...
Page 34: ...34 Megabreak 6300 4 poli 68 130 130 130 130 130 130 130 68 90 30 85 30 354 100...
Page 68: ......
Page 69: ...Megabreak Manuale installatore Installation manual Y3142G 01GF 16W39...
Page 70: ...70...
Page 100: ...100 Megabreak 6300 3 poles 68 130 130 130 130 130 68 90 30 85 30 354 100...
Page 102: ...102 Megabreak 6300 4 poles 68 130 130 130 130 130 130 130 68 90 30 85 30 354 100...