Siemens Sentron SB TP01 Series - Page 67

Time Current Characteristic Curves
63
Long Time and Short Time (I2t) Overcurrent Protection (curves and parameter screens)
Long Time and Instantaneous Overcurrent Protection (curves and parameter screens)
1
0.1
0.01
0.1 1 10 100
10
100
1000
10,000
xI
r
Time in Seconds
Long
Time
Delay
Short
Time
Pickup
Short Time
I
2
t Delay
Continuous
Operating
Current
xI
n
1
0.1
0.01
0.1 1 10 100
10
100
1000
10,000
xI
r
Time in Seconds
Long
Time
Delay
Instantaneous
Pickup
Continuous
Operating
Current
xI
n