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4 Technical Data
Pickup time (fast relays/high-speed relays)
(1.5 set value)
(2.5 set value)
Dropout time
Tolerances
The set times are pure delay times
Inverse Time Overcurrent Stage (IEC)
Pickup value 3I
0P
Time Factor D
3I0P
Additional time delay T
3I0P add
Characteristics
Tolerances
Inverse Time Overcurrent Stage (ANSI)
Pickup value 3I
0P
Time Factor D
3I0P
Additional time delay T
3I0P add
Characteristics
Tolerances
Inverse Time Overcurrent Stage with Logarithmic-inverse Characteristic
Pickup value 3I
0P
Start Current Factor 3I
0P FACTOR
Time Factor D
3I0P
Maximum Time T
3I0P max
Minimum Time T
3I0P min
542
approx. 40/35 ms
approx. 30/25 ms
Approx. 30 ms
Current
3 % of setting value or 1 % nominal current
Time
1 % of setting value or 10 ms
for I
= 1 A 0.05 A to 25.00 A
N
or
0.003 A to 25.000 A
for I
= 5 A 0.25 A to 125.00 A
N
or
0.015 A to 125.000 A
0.05 s to 3.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
or ∞ (ineffective)
See Figure 4-1
Pickup at 1.05 ≤ I/3I
Current
5 % ± 15 ms for 2 ≤ I/3I
Time
for I
= 1 A 0.05 A to 25.00 A
N
or
0.003 A to 25.000 A
for I
= 5 A 0.25 A to 125.00 A
N
or
0.015 A to 125.000 A
0.50 s to 15.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
or ∞ (ineffective)
See Figure 4-2 and 4-3
Pickup at 1.05 ≤ I/3I
Current
5 % ± 15 ms for 2 ≤ I/3I
Time
for I
= 1 A 0.05 A to 25.00 A
N
or
0.003 A to 25.000 A
for I
= 5 A 0.25 A to 125.00 A
N
or
0.015 A to 125.000 A
1.0 to 4.0
0.05 s to 15.00 s; ∞
0.00 s to 30.00 s
0.00 s to 30.00 s
Increments 0.01 A
Increments 0.001 A
Increments 0.01 A
Increments 0.001 A
Increments 0.01 s
Increments 0.01 s
≤ 1.15
0P
≤ 20 and T
/s ≥ 1
0P
3I0P
Increments 0.01 A
Increments 0.001 A
Increments 0.01 A
Increments 0.001 A
Increments 0.01 s
Increments 0.01 s
≤ 1.15
0P
≤ 20 and D
/s ≥ 1
0P
3I0P
Increments 0.01 A
Increments 0.001 A
Increments 0.01 A
Increments 0.001 A
Increments 0.1
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
C53000-G1176-C169-1
7SD5 Manual
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