Siemens SIPROTEC 7SJ61 User Manual

Technical Data
4.1 General Device Data
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
306
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)
4.1.2 Auxiliary Voltage
DC Voltage
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)
Voltage Supply via Integrated Converter
Rated auxiliary DC V
Aux
24/48 VDC 60/110/125 VDC
Permissible Voltage Ranges 19 to 58 VDC 48 to 150 VDC
Rated auxiliary DC V
Aux
110/125/220/250 VDC
Permissible Voltage Ranges 88 to 300 VDC
Permissible AC ripple voltage,
Peak to Peak, IEC 60 255-11
15 % of the auxiliary voltage
Power Input Quiescent Approx. 3 W
Energized Approx. 7 W
Bridging Time for Failure/Short Circuit,
IEC 60255–11
(in not energized operation)
≥ 50 ms at V ≥ 110 VDC
≥ 20 ms at V ≥ 24 VDC

Siemens SIPROTEC 7SJ61 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ61
Category	Controller
Language	English