Siemens SIPROTEC 7SJ80 User Manual

Voltage (symmetrical components) 2% of set value or 0.2 V
Power 1% of set value or 0.3 VAR
Times 1% of set value or 10 ms
Influencing Variables for Pickup Values
Auxiliary direct voltage in the range from 0.8 ≤ V
PS
/V
PSNom
≤ 1.15 1 %
Temperature in the range from 23.00 °F (-5 °C) ≤ Θ
amb
≤ 131.00 °F (55 °C) 0.5 %/10 K
Frequency in the range from 25 Hz to 70 Hz 1 %
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %
Technical Data
4.12 Undervoltage-controlled reactive power protection (27/Q)
392 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg