SIEMENS three-phase protection relays

1 company | 7 products
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over-current protection relay / thermal / three-phase / programmable
over-current protection relay
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 / 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

... functional requirements. Functionality The busbar protection SIPROTEC 7SS85 encompasses the following maximum quantity structure: •20 3-phase measuring points (current transformer) •4 3-phase ...

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Siemens Energy automation and smart grid
differential protection relay / earth-leakage / safety / three-phase
differential protection relay
7SR18

Our differential protection relay, Reyrolle7SR18, is a numeric three phase differential protection relay used to detect in zone phase ...

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Siemens Energy automation and smart grid
distance protection relay / synchronization / three-phase / digital
distance protection relay
7SA522, 7SA6 series

... earth)-fault protection for single and three-phase tripping (50N, 51N, 67N) •Tele (pilot) protection (85) •Fault locator (FL) •Power swing detection / tripping (68/68T) •Phase-overcurrent ...

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Siemens Energy automation and smart grid
differential protection relay / over-voltage / overload / over-frequency
differential protection relay
7SD610, 7SD5 series

... possible. Apart from the main protection function, i.e. the differential protection, the SIPROTEC 7SD610 has a full range of configurable emergency and / or back-up protection functions ...

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Siemens Energy automation and smart grid
differential protection relay / voltage / thermal / over-current
differential protection relay
7UT6 series

... differential function a backup overcurrent protection for 1 winding / star point is integrated in the relay. Optionally, a low or high-impedance restricted earth-fault protection, ...

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Siemens Energy automation and smart grid