Sentron protection devices
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The information in this document contains general descriptions of the technical options available, which may not apply in all cases. The required technical options should therefore be specified in the contract. Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or their respective owners. Siemens AG Energy Management Siemensstrasse 10 93055 Regensburg Germany Subject to change without prior notice. Article No.: EMLP-B10026-00-7600 Dispo 25601 WS 11163.0 Printed in Germany © Siemens AG 2016 Better to play it safe! SENTRON protection devices for modern electrical installations siemens.com/protection-concept

Meeting complex requirements Increasingly automated infrastructures, new technical conditions, and stricter standards are focusing more attention on adequate protection for electrical installations. In many buildings, the electrical installation can barely keep up with ever more complex requirements and may harbor a growing number of risks. The appropriate technical solution that can seamlessly cover all potential hazards in electrical installations has a name: SENTRON. Seamless all-around protection The consistent, end-to-end portfolio contains all the products necessary for the completely...

Simply safe with SENTRON protection devices Clear results Well-designed protection concept With the publishing of the international standard IEC 60364-4-42, it’s high time to expand, modernize, and adapt old electrical installations to state-of-the-art technology. Thanks to extensive years of experience and the use of innovative technologies, Siemens is the ideal partner to meet these challenges. A comprehensive product range of standard-compliant protection devices offers reliable all-around protection from damage caused by fire, electric shock, lightning, and overvoltage. Products from...

... with SENTRON protection devices Protection for humans and assets Fire Protection for humans Electric shock Plant protection Electric destruction Potential hazards Possible consequence Potential hazards Possible consequence Fire Causes • Overload and short-circuits • Arcing faults Protection devices • Fuse systems • Miniature circuit breakers (MCBs) • AFD units • RCBOs Electric shock Causes • Direct contact • Indirect contact Protection devices • Residual current protective devices (RCDs) • Incorrectly designed protection device / wiring • Operating current > permissible current for line...

Simply smart fire protection – safety without gaps The AFD units reliably distinguish between arcing faults that occur during normal operation, such as in power drills or vacuum cleaners, and hazardous arcing faults, and they trip only in the event of an actual fault. Simple installation Protection from hazardous arcing faults • Preventive protection from electrical fires Arcing faults can take two different forms: they are either serial or parallel arcing faults. Parallel arcing faults are caused, for example, by outdated insulation material or by conductive soiling between the phase...

more than 2 million fire deaths in Europe per year* * Consumer fire safety (2009): European statistics and potential fire safety measures fires are reported in Europe per year* fire injuries in Europe per year* of the fires are caused due to defects in the electrical installations* of the fires occur in commercial areas* of the fires start in private households* Danger? Just disconnect In Europe, one-third of all fires reported can be traced back to dangerous defects in the electrical installation. Urgency was recognized AFD units should be installed in singlephase AC voltage systems with...

Electric shock Highlights • Reliable protection for people and assets • All RCDs comply with the provisions of the DIN VDE standard • The right RCCB for every requirement Residual current protective devices (RCDs) can prevent life-threatening electrical accidents caused by direct or indirect contact with live equipment by immediately disconnecting the electricity in the event of a fault. In addition to offering fault protection when RCDs are used with IAn < 30 mA, they offer added protection in the event of direct contact. They prevent life-threatening electrical accidents by rapidly...

Function failure Effective plant protection -avoiding failures Highlights • High system availability and operational safety while protecting people and systems • Uninterruptible power supply • Reliable protection from production downtime Production downtime can have a variety of causes: for example, technical defects, an unstable power supply, wear, or contamination. Downtime can cause significant damage and seriously jeopardize smooth building and industrial operation. Power supplies in state-of-the-art plants are faced with increasingly strict requirements. Thanks to new load conditions,...

Electrical damage Lightning and overvoltage protection -integrated safety Highlights • Reliable protection from overvoltage caused by lightning and switching operations • Three-stage overvoltage protection suitable for any requirement • Comprehensive portfolio for an integrated lightning protection system 410,000 cases of lightning and overvoltage damage are reported every year -resulting in costs in the millions. Lightning and overvoltage protection tailored to local conditions can help prevent this damage. Overvoltage is an increase in voltage that lasts less than a thousandth of a second...

Investment protectionFire and electric destruction Overvoltage protection devices • Enhanced protection from fires caused by electricity due to serial or parallel arcing faults • Reliable covering of the protection gap • The protected circuit is completely disconnected from the grid in the event of a fault • Protect electrical plants from overload and short-circuit • Diverse assortment for industrial applications as well as buildings and infrastructure • Uniform and comprehensive accessories • Combination of RCCB and MCB provides protection from electrical fires • RCBOs combine protection...