4 Technical Data
436
7UM62 Manual
C53000-G1176-C149-3
4.21
90–%–Stator Earth Fault Protection (ANSI 59N, 64G, 67G)
Setting Ranges/
Resolutions
Displacement Voltage
U0>
2.0 V to 125.0 V
(Increments 0.1 V)
Residual Current
I
E
>
2 mA to 1000 mA (Increments 1 mA)
Inclination of Directional Characteristic
0° to 360°
(Increments 1°)
Delay Times
T
0.00 s to 60.00 s
(Increments 0.0 s)
or
∞
(does not expire)
The set times are pure delay times.
Inherent Operating
Times
– Pickup Times
U
E
Approx. 50 ms
I
E
Approx. 50 ms
Direction
Approx. 70 ms
– Dropout Times
U
E
Approx. 50 ms
I
E
Approx. 50 ms
Direction
Approx. 70 ms
Dropout
Displacement Voltage
U
E
Approx. 0.70
Residual Current
I
E
>
Approx. 0.70
Hysteresis of directional characteristic
Approx. 10° tow. line
Tolerances
Displacement Voltage
U
E
1 % of setting value or 0.5 V
Residual Current
I
E
>
1 % of setting value or 0.5 mA
Delay Times
T
1 % of setting value or 10 ms
Influencing
Variables for
Pickup
Power Supply Direct Voltage in Range
0.8
≤
U
PS
/ U
PS nominal
≤
1.15
1 %
Temperature in Range
23 °F
≤ ϑ
amb
≤
131 °F
0.3 % / 10 °F
–5 °C
≤ ϑ
amb
≤
55 °C
0.5 % / 10 K
Frequency in Range
0.95
≤
f/f
N
≤
1.05
< 1 %
Harmonic Currents
– Up to 10 % 3rd Harmonics
< 1 %
– Up to 10 % 5th Harmonics
< 1 %
