SIEMENS modular protection relays

1 company | 7 products
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distance protection relay / power / pulse / digital
distance protection relay
7SA82/86/87 series

... independent measuring loops (6-system distance protection) •Several distance-protection functions can be selected: Classic, reactance method (RMD), impedance protection for transformers •Directional ...

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Siemens Energy automation and smart grid
differential protection relay / voltage / digital / modular
differential protection relay
7SD82/86/87 series

... 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 systems. Transformers ...

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Siemens Energy automation and smart grid
differential protection relay / voltage / distance / digital
differential protection relay
7SL82/86/87 series

... charging currents •Several distance-protection functions selectable as backup protection or secondary main protection: Classic, reactance •method (RMD), impedance protection ...

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Siemens Energy automation and smart grid
trip circuit protection relay / digital / programmable / configurable
trip circuit protection relay
7VK87

... Circuit-breaker failure protection for 1-pole and 3-pole tripping •Point-on- wave switching •Control, synchrocheck and switchgear interlocking protection •Voltage controller for transformers •Arc ...

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Siemens Energy automation and smart grid
differential protection relay / three-phase / digital / configurable
differential protection relay
7UT82/85/86/87 series

... 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 ...

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Siemens Energy automation and smart grid
voltage protection relay / three-phase / digital / differential
voltage protection relay
7SS85

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

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Siemens Energy automation and smart grid
voltage protection relay / digital / programmable / differential
voltage protection relay
7SS52

... 7SS52 numerical protection is a selective, reliable and fast protection for busbar faults and breaker failure in medium, high and extra-high voltage substations with various possible busbar configurations. Features The ...

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Siemens Energy automation and smart grid