Siemens SIPROTEC 4 7SJ61 User Manual

Current Ι
2
/Ι
1
1 % of set value
Times 1% of set value or 10 ms
Influencing Variables for Pickup Values
Power supply direct voltage in range 0.8 ≤ V
PS
/V
PSNom
≤ 1.15 1 %
Temperature in range 23.00 °F (-5 °C) ≤ Θ
amb
≤ 131.00 °F (55 °C) 0.5 %/10 K
Frequency in range 25 Hz to 70 Hz 1 %
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %
Technical Data
4.17 Flexible Protection Functions
328 SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016

Siemens SIPROTEC 4 7SJ61 Specifications

General

Frequency	50/60 Hz
Input Current	1 A or 5 A
Current Inputs	3
Digital Inputs	8
Weight	Approx. 1.5 kg
Protection Functions	Overcurrent, earth fault
Communication Protocols	IEC 61850, DNP3, Modbus
Communication Interfaces	Ethernet, RS485
Operating Temperature	-25 to +55 °C
Storage Temperature	-40 to +70 °C
Mounting	DIN rail mounting
Housing	Plastic