Siemens SIPROTEC 7SD80 Manual page 303

Overcurrent Elements
Pickup value 50-B2 PICKUP
(phases)
Pickup value 50N-B2 PICKUP
(ground)
Delays
Pickup value 50-STUB PICKUP
(phases)
Pickup value 50N-STUB PICKUP
(ground)
Delays
Pickup value
(directional phases)
Pickup value
(Earth directional)
Delays
(directional elements)
Dropout ratio
Pickup times
Dropout times
Tolerances
The set times are pure time delays
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
for I = 1 A 0.10 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for I = 1 A 0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.25 A to 125.00 A
Nom
or ∞ (ineffective)
50-B2 DELAY 0.00 s to 30.00 s
or ∞ (ineffective)
50N-B2 DELAY 0.00 s to 30.00 s
or ∞ (ineffective)
for I = 1 A 0.10 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for I = 1 A 0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.25 A to 125.00 A
Nom
or ∞ (ineffective)
50-STUB DELAY 0.00 s to 30.00 s
or ∞ (ineffective)
50N-STUB DELAY 0.00 s to 30.00 s
or ∞ (ineffective)
for I = 1 A 0.10 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.50 A to 125.00 A
Nom
or ∞ (ineffective)
for I = 1 A 0.05 A to 25.00 A
Nom
or ∞ (ineffective)
for I = 5 A 0.25 A to 125.00 A
Nom
or ∞ (ineffective)
0.00 s to 30.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
or ∞ (ineffective)
approx. 0.93 for I/I
approx. 30 ms
approx. 30 ms
Currents 3 % of setting value or 1 % nominal current
Times 1 % of setting value or 10 ms
Technical Data
4.7 Time Overcurrent Protection
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
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