SIEMENS voltage protection relays

1 company | 16 products
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earth-leakage protection relay
earth-leakage protection relay
Reyrolle 7SR242

... 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 ...

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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 ...

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Siemens Energy automation and smart grid
differential protection relay
differential protection relay
SIPROTEC 7SL series

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

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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, ...

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Siemens Energy automation and smart grid
voltage protection relay
voltage protection relay
Reyrolle 7SR series

Trigger voltage: 18 V - 300 V

... and 7SR105 motor protection devices are specifically designed to protect motors during all starting and running sequences. Features The device is housed in a 4U high, size 4 non-withdrawable case and these relays ...

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Siemens Energy automation and smart grid
voltage protection relay
voltage protection relay
7SR191

Trigger voltage: 19 V

... arrangements - 3 pole overcurrent + 1 pole unbalance - 1 pole overcurrent + 3 pole unbalance •Optional voltage inputs •Re-energisation blocking to prevent CB closing until the bank ...

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Siemens Energy automation and smart grid
frequency protection relay
frequency protection relay
Reyrolle 7SR158

Trigger voltage: 64 V - 300 V

The Reyrolle 7SR158 Argus voltage and frequency relays are numerical, multifunctional devices, with functionality designed for connection to voltage transformers. The voltage ...

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Siemens Energy automation and smart grid
differential protection relay
differential protection relay
SIPROTEC 7SD80

... 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 ...

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Siemens Energy automation and smart grid
voltage protection relay
voltage protection relay
SIPROTEC 7SK8 series

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

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Siemens Energy automation and smart grid
voltage protection relay
voltage protection relay
SIPROTEC 7RW80

... 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 ...

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Siemens Energy automation and smart grid