59
Installa
tion manual
Protection unit MP6-Megabreak®
6. Protection menu
By pressing “protection” button
, it’s possible to enter in the adjustments page.
The buttons that allow to get access the various settings are present on most pages,
accessible by pressing the navigation arrows located at the bottom.
* Only for version with “ground proection” MP6TH
Parameters
Possible settings
Parameters
Description
Possible settings
Factory setting
Ir
Long time delay protection
against overloads setting
0.4-1 x In (steps 0.01)
Ir= 1 x In
tr
Long delay protection
operation time setting
5-10-20-30s MEM ON
5-10-20-30s MEM OFF
tr= 5s
(MEM=OFF)
Isd
Short time delay protection
against short circuits setting
1.5-2-2,5-3-4-5-6-8-10 x Ir
Isd= 10 x Ir
tsd
Short time delay protection
operation time setting
0-1s t=k (steps 0,1)
0-1s I
2
t=k (steps 0,1)
tsd= 0 s
(t=const)
Ii
Instantaneous protection setting
2-3-4-6-8-10-12-15 x In - OFF (Icw)
Ig= 0.2 x In
Ig*
Ground fault threshold setting
0.2-0.3-0.4-0.5-0.6-0.7-0.8-1 x In - OFF tg= 0.1s
(t=const)
tg*
Ground fault tripping time setting 0.1-0.2-0.5-1s t=k
0.1-0.2-0.5-1s I
2
t=k
Ii= Icw
N
Neutral protection setting
OFF-50%-100%
N= 100%
