SIEMENS voltage protection relays

... and reactor protection schemes. Relays are housed in size E8 or E10 cases. Integrated logic is provided to allow the optimal configuration of relay functionality with the relays ...

... differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed in medium-voltage and high-voltage ...

... high investment security and low operating costs. Features Main function: •Differential protection and distance protection for medium-voltage and high voltage ...

The SIPROTEC 7SS85 busbar protection is a selective, safe and fast protection against busbar short circuits in medium, high, and very high voltage systems. The proven, fast and safe ...

... for meshed grids and busbar protection by means of reverse interlocking. Features Fast and selective tripping is guaranteed even if the communication fails between the relays. The scope of functions ...

... time-overcurrent protection (phase/ground) (50, 50N, 51, 51N) •Directional time-overcurrent protection, ground (67N) •Directional overcurrent protection, ground (defi-nite/inverse)(67Ns, ...

... multi-function relay for connection to voltage transformers. It can be used in distribution systems, on transformers and for electrical machines. Features If the SIPROTEC Compact 7RW80 detects any ...

... SIPROTEC 7SC80 feeder protection can be used for protection and automation of medium voltage distribution feeders with grounded or low resistance grounded, isolated, or compensated neutral ...

The SIPROTEC 7SJ6 overcurrent protection relays have been designed specifically for protection of feeders, lines and motors in medium-voltage and high-voltage ...

... main protection function, i.e. the differential protection, the SIPROTEC 7SD610 has a full range of configurable emergency and / or back-up protection functions such as phase and earth ...