Protection trip units and trip curves PR123/P
Function D
t [s]
10 3 0,6 … 10 10
0,6
D
10 2
10
1
0,2 …10 0,8
1SDC200121F0001
10 -1
4 10 -2
10 -2
10 -1
10
1
100 x In
Function U
1SDC200122F0001
U
Threshold and trip times tolerances ...................... page 4/27
4/32
ABB SACE