Protective Elements
IEC Extremely Inverse
Various reset modes are available:
Resetting via characteristic, delayed and instantaneous.
Remark: For
I
G
> 20⋅
I
G>
, the curve stops decreasing, the t-values are kept constant at the value for
I
G
= 20⋅
I
G>
.
721
MCDLV4
DOK-HB-MCDLV4-2E
0.01
0.1
1
10
100
0.01
0.1
1
10
100
1000
0.05
0.1
0.2
0.5
1
1.5
t [s]
IG / IG> (multiples of pickup)
tchar =
E
d
o
c_
Z
0
4
Reset
Trip
»Char«
= IEC EINV
≤ 20
t
− 1
80
=
If:
IG
IG>
1 <
tchar
t
1−
80
=
If:
< 1
IG
IG>
tchar
IG
IG>
2
IG
IG>
2
Summary of Contents for HighPROtec MCDLV4
Page 3: ...Order Code Order Code 3 MCDLV4 DOK HB MCDLV4 2E...
Page 47: ...Installation and Connection 47 MCDLV4 DOK HB MCDLV4 2E...
Page 164: ...Input Output and LED Settings 164 MCDLV4 DOK HB MCDLV4 2E...
Page 433: ...Parameters 433 MCDLV4 DOK HB MCDLV4 2E...
Page 457: ...Device Parameters 457 MCDLV4 DOK HB MCDLV4 2E...
Page 473: ...Blockings 473 MCDLV4 DOK HB MCDLV4 2E...
Page 988: ...Protective Elements 988 MCDLV4 DOK HB MCDLV4 2E P P Q P Q P Q Q Q P S S...
Page 989: ...Protective Elements 989 MCDLV4 DOK HB MCDLV4 2E Pr Q P Q P Qr...
Page 1023: ...Protective Elements 1023 MCDLV4 DOK HB MCDLV4 2E...