Siemens SIPROTEC 7SJ80 User Manual

Introduction
The device family SIPROTEC 7SJ80 devices is introduced in this section. An overview of the devices is
presented in their application, characteristics, and scope of functions.
1.1 Overall Operation 20
1.2 Application Scope 22
1.3 Characteristics 24
1
SIPROTEC 4, 7SJ80, Manual 19
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