SIEMENS configurable protection relays

... 7SJ85 overcurrent protection has been designed specifically for protection of feeders and lines in medium-voltage and high-voltage systems. The SIPROTEC 7SJ86 overcurrent ...

... SIPROTEC 7VK87 device offers future-oriented solutions protection, control, automation, monitoring and PQ basic. Main function: •Automatic reclosing function, synchrocheck, circuit-breaker failure protection Tripping: •1-pole ...

... transformer differential protection have been designed specifically for the protection of two and multi-winding (up to 5 sides). transformers. They are the main protection for the transformer ...

... 7SK82 and the SIPROTEC 7SK85 motor protection have been designed specifically for the protection of motors of all sizes. For the protection of generators and power-plant units the SIPROTEC ...

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 algorithms from ...

... 7SR51 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. To further minimize the product variants the power supply and the binary inputs ...

... Functions Standard Functionality can include •24 Overexcitation protection •27 Undervoltage protection – 3 phase •27Vx Undervoltage protection – Vx •37 Undercurrent protection ...

The overcurrent and feeder protection relays can be used for line/feeder protection of high and medium-voltage networks with grounded, low-resistance grounded, isolated ...

... 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 ...

... are a multi-functional motor protection relays. They are designed for protection of asynchronous motors of all sizes. Features The SIPROTEC 7SK80 features “flexible protection ...