Siemens SIPROTEC 7SJ62 - General Device Data; Analog Inputs

Technical Data
4.1 General Device Data
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
466
4.1 General Device Data
4.1.1 Analog Inputs
Current Inputs
1)
only in models with input for sensitive ground fault detection (see ordering data in Appendix A.1)
Voltage Inputs
Nominal Frequency f
Nom
50 Hz or 60 Hz (adjustable)
Nominal Current I
Nom
1A or 5A
Ground Current, Sensitive I
Ns
≤ linear range 1.6 A
1)
Burden per Phase and Ground Path
- at I
Nom
= 1 A
- at I
Nom
= 5 A
- for sensitive ground fault detection at 1 A
Approx. 0.05 VA
Approx. 0.3 VA
Approx. 0.05 VA
Current overload capability
- Thermal (rms)
- Dynamic (peak value)
100· I
Nom
for 1 s
30· I
Nom
for 10 s
4· I
Nom
continuous
250· I
Nom
(half-cycle)
Current overload capability for high-sensitivity input I
Ns
1)
- Thermal (rms)
- Dynamic (peak value)
300 A for 1 s
100 A for 10 s
15 A continuous
750 A (half-cycle)
Nominal Voltage 100 V to 225 V (adjustable)
Measuring Range 0 V to 170 V (7SJ62)
0 V to 200 V (7SJ64)
Burden at 100 V Approx. 0.3 VA
AC Voltage Input Overload Capacity
– thermal (rms) 230 V continuous
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