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Protection unit MP4-Megabreak®
Installa
tion manual
37
t
I
t
I
t
I
I²t= const
t= const
*
*
*
Setting of time delay (5+4 steps)
tsd=0-0,1-0,2-0,5-1s (t=const)
tsd=1-0.5-0.2-0.1s (I
2
t=const)
Adjustable instantaneous
short time protection
Setting of current (9 steps)
Ii=2-3-4-6-8
10-12-15x In-Icw
Neutral protection
Setting of current (3 steps)
N=OFF-50%-100%
Protection against
over temperature
(not adjustable) t>95°C
* Fixed instantaneous
override - Isf
Neutral protection
Position
Protection
OFF
Not protected
50%
Protected at 50% Ir-Isd-Ii
100%
Protected as Ir-Isd-Ii
Summary of Contents for Megabreak MP4 Series
Page 2: ...2 Protection unit MP4 Megabreak IT EN ITALIANO 3 ENGLISH 33 ...
Page 32: ...32 ...
Page 50: ...50 To come back to the upper level of menu push C To scroll up push 49 ...
Page 52: ...52 To come back to the upper level of menu push C To scroll up push Overtemp 51 ...
Page 54: ...54 To come back to the upper level of menu push C To scroll up push In Absent 53 55 ...
Page 58: ...58 To come back to the upper level of menu push C To scroll up push 2 7 X ...
Page 62: ...62 ...
Page 63: ...Protection unit MP4 Megabreak Installation manual 63 ...