Siemens SIPROTEC 7SJ80 User Manual

Mounting and Commissioning
This chapter is intended for experienced commissioning staff. He must be familiar with the commissioning of
protection and control systems, the management of power systems and the safety rules and regulations.
Hardware adjustments to the power system data might be necessary. The primary tests require the protected
object (line, transformer, etc.) to carry load.
3.1 Mounting and Connections 312
3.2 Checking Connections 328
3.3 Commissioning 332
3.4 Final Preparation of the Device 352
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SIPROTEC 4, 7SJ80, Manual 311
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