Siemens SIPROTEC 4 7XT71 Series, Manual, Page: 65 / 122

Preface
Purpose of the Manual
This manual describes the hardware of the coupling devices for the generator protection of the SIPROTEC
device family and provides general information about the product structure, modules and the technical data.
Target Audience
This manual is primarily aimed at protection system engineers, system configurers, commissioning engineers,
persons entrusted with the setting, testing and maintenance of fault recorder equipment, automation, selec-
tive protection and control equipment, and operational crew in electrical installations and power plants.
Scope
This manual applies to the SIPROTEC coupling units for generator protection (for rotor ground-fault protection
with 1 Hz to 3 Hz).
Indication of Conformity
This product complies with the directive of the Council of the European Communities
on harmonization of the laws of the Member States concerning electromagnetic
compatibility (EMC Directive 2014/30/EU), restriction on usage of hazardous
substances in electrical and electronic equipment (RoHS Directive 2011/65/EU), and
electrical equipment for use within specified voltage limits (Low Voltage Directive
2014/35/EU).
This conformity has been proved by tests performed according to the Council Directive
in accordance with the generic standards EN 61000-6-2 and EN 61000-6-4 (for EMC
directive), the standard EN 50581 (for RoHS directive), and with the product standard
EN 60255-27 (for Low Voltage Directive) by Siemens.
The device is designed and manufactured for application in an industrial environment.
The product conforms with the international standards of IEC 60255 and the German
standard VDE 0435.
Standards
Additional Support
For questions about the system, contact your Siemens sales partner.
Customer Support Center
Our Customer Support Center provides a 24-hour service.
Siemens AG
Customer Support Center
Humboldtstrasse 59
90459 Nuremberg
Germany
E-mail:
support.energy@siemens.com
SIPROTEC 4/5, Injection unit 7XT71, Manual 3
C53000-B1174-C128-8, Edition 05.2020