Siemens SIPROTEC 7SJ80 User Manual

[7sj6x_einschaltstabilisierung-150502-kn, 1, en_US]
Figure 2-15
Logic diagram for inrush restraint
Pickup Logic and Tripping Logic
The pickup annunciations of the individual phases (or ground) and the individual element are combined with
each other in such a way that the phase information and the element that has picked up are issued.
2.2.8
Functions
2.2 Overcurrent Protection 50, 51, 50N, 51N
SIPROTEC 4, 7SJ80, Manual 69
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