Siemens siprotec 7SD5

4 Technical Data
554
7SD5 Manual
C53000-G1176-C169-1
4.13 Instantaneous High-Current Switch-onto-Fault Protection (SOTF)
Pickup
Times
High current pickup I>>> for I
N
= 1 A 0,10 A bis 15,00 A oder ∞ (unwirk-
sam)
Increments 0.01 A
for I
N
= 5 A 0,50 A bis 75,00 A oder ∞ (unwirk-
sam)
High current pickup I>>>> for I
N
= 1 A 1.00 A to 25.00 A or ∞ (disabled) Increments 0.01 A
for I
N
= 5 A 5.00 A to 125.00 A or ∞ (disabled)
Dropout to pickup ratio Approx. 90 %
Pickup tolerance 3 % of setting value or 1 % of I
N
Shortest trip time
(fast relays/high-speed relays)
ca. 10/5 ms
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