Inrush Restraint - Siemens SIPROTEC 4 Manual

Technical Data

4.5 Inrush Restraint

4.5 Inrush Restraint
Controlled Elements
Time Overcurrent Elements
Setting Ranges / Increments
Stabilization factor Ι
Functional Limits
Lower Function Limit Phases
Lower Function Limit ground
Upper Function Limit,
configurable
Crossblock
Crossblock Ι , Ι
A
378
/Ι
2f
for Ι
Nom
for Ι
Nom
for Ι
Nom
for Ι
Nom
for Ι
Nom
for Ι
Nom
, Ι
B C
50-1, 50N-1, 51, 51N, 67-1, 67N-1
10 % to 45 %
at least one phase current (50 Hz and 100 Hz) ≥ 50 mA
= 1 A
= 5 A at least one phase current (50 Hz and 100 Hz) ≥ 125 mA
Ground current (50 Hz and 100 Hz) ≥ 50 mA
= 1 A
= 5 A Ground current (50 Hz and 100 Hz) ≥ 125 mA
0.30 A to 25.00 A
= 1 A
= 5 A 1.50 A to 125.00 A
ON/OFF
Increments 1 %
Increments 0.01 A
Increments 0.01 A
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017