SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
3
Preface
Purpose of this Manual
This manual describes the functions, operation, installation, and placing into service of device 7SD80. In par-
ticular:
• Information regarding the configuration of the scope of the device and a description of the device functions 
and settings → Chapter 2; 
• Instructions for Installation and Commissioning → Chapter 3; 
• Compilation of the Technical Data → Chapter 4; 
• As well as a compilation of the most significant data for advanced users → Appendix A.
General information with regard to design, configuration, and operation of SIPROTEC 4 devices are set out in 
the SIPROTEC 4 System Description /1/.
Target Audience
Protection engineers, commissioning engineers, personnel concerned with adjustment, checking, and service 
of selective protective equipment, automatic and control facilities, and personnel of electrical facilities and 
power plants.
Applicability of this Manual
This manual applies to: SIPROTEC 4 Line Differential Protection 7SD80; firmware version V4.6.
Indication of Conformity
This product complies with the directive of the Council of the European Communities on the 
approximation of the laws of the Member States relating to electromagnetic compatibility (EMC 
Council Directive 2004/108/EC) and concerning electrical equipment for use within specified 
voltage limits (Low-voltage Directive 2006/95 EC).
This conformity is proved by tests conducted by Siemens AG in accordance with the Council 
Directive in agreement with the generic standards EN 61000-6-2 and EN 61000-6-4 for EMC 
directive, and with the standard EN 60255-27 for the low-voltage directive. 
The device has been designed and produced for industrial use.
The product conforms with the international standards of the series IEC 60255 and the German 
standard VDE 0435.