Technical Data
4.1 General Device Data
SIPROTEC, 7SC805, Manual
C53000-G1140-C380-1, Release date 05.2014
108
4.1
General Device Data
4.1.1
Analog Inputs
Current Inputs
Voltage Inputs
Standard:
Nominal frequency
f
Nom
50 Hz or 60 Hz
(adjustable)
Frequency operating range (independent of the
nominal frequency)
25 Hz to 70 Hz
Nominal current
I
Nom
1 A or 5 A
Consumption per phase and ground path
- for
I
Nom
= 1 A
- for
I
Nom
= 5 A
0.1 VA
0.5 VA
Current overload capability
- thermal (rms)
- dynamic (peak value)
500 A for 1 s
50 A for 10 s
20 A continuous
1250 A (half-cycle)
Standard (applies also to capacitive voltage measurement):
Measuring range
0 V to 250 V
Consumption
at 100 V
approx. 0.005 VA
Voltage overload capability
- thermal (rms)
230 V continuous