Siemens 7SR51 - 67 GS Directional Sensitive Earth Fault - Measured

67GS Directional Sensitive Earth Fault – Measured
Reference
Parameter Value
θ
set
Characteristic angle setting -95° to +95°
Vmin
set
Minimum voltage setting 0.33 to 67 V, Δ 0.5 V
I Applied current (for operate time) 0.1 ⋅ I
rated
1 ⋅ I
rated
V Applied voltage (for operate time) 0.1 ⋅ V
rated
1 ⋅ V
rated
Compensated network Enabled / disabled
Wattmetric Enabled / disabled
Wattmetric power 0.05 to 20 ⋅ I
rated
⋅ W, Δ 0.05
I
res
select I
res
, I
res
real
Operate Angle
Attribute Value
θ
op
Characteristic angle (I with respect to V) θ
set
, ± 5°
Operating angle Forward θ
set
- 85° ± 5° to θ
set
+ 85° ± 5°
Reverse (θ
set
- 180°) - 85° ± 5° to (θ
set
- 180°) + 85 ° ± 5°
Variation in charac-
teristic angle
-10 °C to +55 °C ± 5 °C
f
rated
± 5 % ± 5 °C
Operate Threshold
Attribute
Value
Minimum operating voltage > 1 V ± 0.25 V
Operate and Reset Time
Attribute
Value
t
op
Operate time Typically 32 ms
< 40 ms at characteristic angle + 50/51 element operate time
t
reset
Reset time Typically < 65 ms at characteristic angle
10.31
Technical Data
10.31 67GS Directional Sensitive Earth Fault – Measured
546 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019