SIEMENS IEC protection relays

1 company | 12 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 / power / programmable / configurable
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
voltage protection relay / three-phase / digital / differential
voltage protection relay
7SS85

... faulty busbar sections •Optional additional decentralized binary in- and outputs via protection interface (PI) or IEC 61850 (GOOSE) provide new concepts for busbar protection Functions All ...

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Siemens Energy automation and smart grid
overload relay / earth-leakage / phase sequence / over-current
overload relay
7SR10, 7SR11, 7SR12, 7SR21 , 7SR22 series

... ,7SR21 and 7SR22 Argus overcurrent protection devices have been specifically designed to provide feeder protection for distribution and industrial networks. Features The Reyrolle ...

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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 and earth faults. This differential ...

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Siemens Energy automation and smart grid
frequency protection relay / voltage / phase sequence / digital
frequency protection relay
7SR158

Trigger voltage: 64 V - 300 V

... -Rate of change of frequency. Relays have three voltage inputs, six binary inputs and eight binary outputs and are housed in a size E4 case. Programmable logic is provided to allow the optimal configuration of relay ...

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Siemens Energy automation and smart grid
feeder protection relay / voltage / frequency / digital
feeder protection relay
7SC80

... SIPROTEC 7SC80 feeder protection can be used for protection and automation of medium voltage distribution feeders with grounded or low resistance grounded, isolated, or compensated neutral point. The ...

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Siemens Energy automation and smart grid
over-current protection relay / voltage / earth-leakage / synchronization
over-current protection relay
7SJ6 series

The SIPROTEC 7SJ6 overcurrent protection relays have been designed specifically for protection of feeders, lines and motors in medium-voltage and high-voltage systems. ...

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

... Power swing detection / tripping (68/68T) •Phase-overcurrent protection (50/51) •STUB bus overcurrent protection (50STUB) •Switch-onto-fault protection (50HS) •Over/undervoltage ...

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Siemens Energy automation and smart grid
trip circuit protection relay / synchronization / digital / programmable
trip circuit protection relay
7VK61

... above-mentioned protection functions, the following additional functions of the SIPROTEC 7VK61 can be applied: end-fault protection, pole-discrepancy protection, overvoltage protection ...

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Siemens Energy automation and smart grid