Proven, reliable, safe The SIPROTEC 4 device range is the synonym for efficient protection technology
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Proven, reliable, safe The SIPROTEC 4 device range is the synonym for efficient protection technology

SIPROTEC 4 has established itself as the industry standard for digital protection technology. SIPROTEC 4 protection devices – a sustainable success story A homogenous system platform, the unique DIGSI 4 engineering program, and extensive experience of more than a million successfully operating devices in the field worldwide – thanks to these unique advantages, SIPROTEC 4 enjoys top recognition among users worldwide. SIPROTEC 4 is the industry standard for digital protection technology today in all fields of application. SIPROTEC 4 protection and bay controller devices combine over one...

Efficient and future-proof thanks to seamless communication IEC 61850 is the worldwide accepted standard for Ethernet-based communication in substations. It was created jointly and subsequently developed by users and manufacturers for protection technology, communication and control in substations, on a future-proof and manufacturer-independent basis. With SIPROTEC 4 Siemens is the first company worldwide to manufacture a complete device range with full IEC 61850 implementation and to develop it continuously. This standard has established itself quickly and successfully. With more than...

Intuitive user interface, simple to operate DIGSI 4 forms the interface between the user's PC and the SIPROTEC devices and brings together all important functions. Designed and created especially for industrial and energy-supply applications, DIGSI 4 makes the parameterization and analysis of the SIPROTEC devices really easy. The downward-compatible PC software features a highly modern intuitive user interface that makes all functions easy to perform, from the parameterization and initial start-up of the devices to the simple analysis and documentation of system faults. A high-performance...

SIPROTEC time overcurrent protection 7SJ6 – everything in a single device Reliable implementation of all functions within a single SIPROTEC 4 device Protection, control, measuring, and automation functions are integrated into time overcurrent protection on the SIPROTEC 4 system platform. All secondary technical functions can be realized using a single device. In addition, parameterization effort is minimized. Furthermore, the installation of a range of external devices, instruments, and switches is not necessary anymore. Both the ergonomics and the graphic quality of the user interfaces of...

SIPROTEC 7SA6 and 7SA5 – much more than differential protection Active interface for maximum performance and safety The SIPROTEC 4 range of distance protection devices are universally applicable, highly flexible devices that are ideally suited for protection, control, and automation functions at all voltage levels. They set themselves ahead of the competition through their active interface for digital communication at the remote end of the line. This optimizes signal procedures and enables 100 percent protection of the power line. The protection devices at both ends of the connection line...

SIPROTEC 7SD5 and 7SD610 – ensures flexible line differential protection The unchallenged standard in line differential protection The outstanding performance capability of the SIPROTEC line differential protection devices 7SD5 and 7SD610 have redefined the standard across the board, in terms of applications possibilities, expandability, and flexible adaptation. Even complex line configurations with transformers in protection zones can be protected selectively and effectively using the SIPROTEC 7SD5 and 7SD61. The protection range can be expanded up to six line ends via the 7SD5....

SIPROTEC 7UT6 -all-round safe transformers Reliable protection of highly valuable equipment at all times Comprehensive protection concepts, for instance, via the constant monitoring of primary electrical and thermal measuring values and the evaluation of the monitoring data are just one of the special characteristics of the SIPROTEC 4 range. The SIPROTEC 7UT6 transformer relay plays out this strength. The device provides comprehensive short-circuit protection for transformers, motors, and generators, as well as for small busbars. Furthermore, the SIPROTEC 7UT6 allows the electrical and...

Busbar protection with SIPROTEC 7SS52 Central unit Field units SIPROTEC 7SS52 – perfect protection for busbars SIPROTEC 7SS52 – adaptable, reliable, and expandable at any time The modular system of the SIPROTEC 7SS52 provides reliable protection against both the short-circuiting of busbars and against switching failure, independent of the configuration of individual systems. It can be ideally adapted to the individual characteristics. Thanks to its modular design, additional field devices can be effortlessly connected to the system at any time. The convenient DIGSI 4 user program makes...

SIPROTEC 7UM6 – reliable machine protection Numerical protection of power generation systems Within milliseconds, SIPROTEC 7UM6 protection devices respond to faults. This guarantees maximum system safety. Potential damage is minimized, and breakdowns are prevented. SIPROTEC 7UM6 devices provide complete protection in numerical technology for: Generators of all sizes Large transformers in power plants and industrial systems Large synchronous and asynchronous motors Individual consultation and configuration for maximum safety From the design of individual protection concepts and their...

SIPROTEC 4 devices in power plants – highest availability guaranteed The 7UM6 series – custom-made for power generation The 7UM61 and 7UM62 protection devices of the SIPROTEC 4 range are specially designed for the protection of powergeneration systems. Their comprehensive range of functions makes them the ideal choice for all types of power plants, independent of their size. From decentralized regenerative power generators and combined heat and power plants to large conventional plants, SIPROTEC 4 protection devices successfully provide optimum safety and maximum system availability in...