Siemens SIPROTEC 4 7SD80

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