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Technical Data
4.7 Time Overcurrent Protection
Overcurrent Elements
Pickup value 50-B2 PICKUP
(phases)
Pickup value 50N-B2 PICKUP
(ground)
Delays
Pickup value 50-3 PICKUP
(phases)
Pickup value 50N-3 PICKUP
(ground)
Delays
Pickup value 67-B2 PICKUP
directional phases
Pickup value 67N-B2 PICKUP
directional ground
Delays
(directional phases)
Dropout ratio
Pickup times
Dropout times
Tolerances
The set times are pure time delays
268
for Ι
= 1 A
0.10 A to 25.00 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for Ι
= 1 A
0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.25 A to 125.00 A
Nom
or ∞ (ineffective)
0.00 s to 30.00 s
50-B2 DELAY
or ∞ (ineffective)
0.00 s to 30.00 s
50N-B2 DELAY
or ∞ (ineffective)
for Ι
= 1 A
0.10 A to 25.00 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for Ι
= 1 A
0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.25 A to 125.00 A
Nom
or ∞ (ineffective)
0.00 s to 30.00 s
50-3 DELAY
or ∞ (ineffective)
0.00 s to 30.00 s
50N-3 DELAY
or ∞ (ineffective)
0.10 A to 25.00 A
for Ι
= 1 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for Ι
= 1 A
0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for Ι
= 5 A
0.25 A to 125.00 A
Nom
or ∞ (ineffective)
0.00 s to 30.00 s
67-B2 DELAY
or ∞ (ineffective)
67N-B2 PICKUP 0.00 s to 30.00 s
or ∞ (ineffective)
approx. 0.93 for Ι/Ι
approx. 30 ms
approx. 30 ms
Currents
3 % of setting value or 1 % nominal current
Times
1 % of setting value or 10 ms
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
≥ 0.5
Nom
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
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