SIEMENS protection relays

1 company | 32 products
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over-current protection relay
over-current protection relay
SIPROTEC 7SJ series

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

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Siemens Energy automation and smart grid
distance protection relay
distance protection relay
SIPROTEC 7SA 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
differential protection relay
SIPROTEC 7SD 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
differential protection relay
SIPROTEC 7SL 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
trip circuit protection relay
SIPROTEC 7VK87

... synchrocheck for line protection applications with 1-pole and 3-pole tripping •Circuit-breaker failure protection for 1-pole and 3-pole tripping •Point-on- wave switching •Control, synchrocheck and ...

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Siemens Energy automation and smart grid
differential protection relay
differential protection relay
SIPROTEC 7UT8 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
thermal protection relay
thermal protection relay
SIPROTEC 7SK82/85, 7UM85

... 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 ...

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Siemens Energy automation and smart grid
voltage protection relay
voltage protection relay
SIPROTEC 7SS85

SIPROTEC 7SS85 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 ...

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Siemens Energy automation and smart grid
over-current protection relay
over-current protection relay
Reyrolle 7SR51

... Standard functionality •37/ 37G undercurrent protection •46 Negative sequence overcurrent protection •46BC Broken conductor detection •49 Thermal overload protection •50/ ...

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Siemens Energy automation and smart grid
differential protection relay
differential protection relay
7SR54

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

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Siemens Energy automation and smart grid