Siemens SIPROTEC 7SJ80 User Manual

Functions Pos. 15
Basic design
4)
+ ground fault direction detection
+ direction determination for phase
+ voltage protection
+ frequency protection
51V Voltage-controlled inverse-time overcurrent protection C
67 Direction determination for overcurrent phases
67-1, 67- 2, 67-3, 67-TOC
67N Directional ground fault protection
67N-1, 67N-2, 67N-3, 67N-TOC
67N(s) Directional ground fault protection/ground short circuit
protection
67Ns-1, 67Ns-2, 67Ns-TOC
1)
64/59N Displacement voltage
27/59 Undervoltage / overvoltage
81 U/O Underfrequency / overfrequency, f< ,f>
47 Phase sequence
32/55/81R/
27R/59R
Flexible protection functions
(parameters from current and voltage):
Voltage protection, power protection,
power factor protection, frequency change protection
and
voltage change protection
Basic design
4)
+ ground fault direction detection
+ direction determination for phase
+ voltage protection
+ frequency protection
+ QU protection
+ directional intermittent ground fault
protection
51V Voltage-controlled inverse-time overcurrent protection F
67 Direction determination for overcurrent phases
67-1, 67- 2, 67-3, 67-TOC
67N Directional ground fault protection
67N-1, 67N-2, 67N-3, 67N-TOC
67N(s) Directional ground fault protection/ground short circuit
protection
67Ns-1, 67Ns-2, 67Ns-TOC
1)
67Ns
Directional intermittent ground fault protection
2
)
64/59N Displacement voltage
27/59 Undervoltage / overvoltage
81 U/O Underfrequency / overfrequency, f< ,f>
— Undervoltage-controlled reactive power protection
(Q>/U<)
47 Phase sequence
32/55/81R/
27R/59R
Flexible protection functions
(parameters from current and voltage):
Voltage protection, power protection,
power factor protection, frequency change protection
and
voltage change protection
Ordering Information and Accessories
A.1 Ordering Information 7SJ80
SIPROTEC 4, 7SJ80, Manual 429
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