IG-Protection Module – Ground Fault [ANSI 50N/G, 51N/G, 67N/G]
EN MRA4 04/09
Page 293
t [s]
t-char
x * IG>
(multiples of pickup)
Trip
Reset
t =
80
*t-char [s]
IG>
-1
IG
( )
2
t =
80
*t-char [s]
IG>
-1
IG
( )
2
Notice!
Various reset modes are available. Resetting via characteristic, delayed and
instantaneous.
IEC EINV
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