I-Protection Module – Overcurrent Protection [ANSI 50, 51, 67]
Page 264
EN MRA4 04/09
t [s]
t-char
t =
13.5
*t-char [s]
I>
-1
I
( )
t =
13.5
*t-char [s]
I>
-1
I
( )
2
Trip
Reset
x * I>
(multiples of pickup)
Notice!
Various reset modes are available. Resetting via characteristic, delayed and
instantaneous.
IEC VINV
Summary of Contents for SEG HighPROTEC MRA4
Page 1: ...MRA4 HighPROTEC Feeder Protection Device Manual DOK HB MRA4E...
Page 3: ...Order Code EN MRA4 04 09 Page 3...
Page 59: ...Navigation Operation Navigation Operation EN MRA4 04 09 Page 59 1 4 2 3 5 7 6 8 9...
Page 378: ...PQS Power Protection Module ANSI 32 37 Page 378 EN MRA4 04 09 P P Q P Q P Q Q Q P S S...
Page 379: ...PQS Power Protection Module ANSI 32 37 EN MRA4 04 09 Page 379 Pr Q P Q P Qr...