SIEMENS current protection relays

1 company | 10 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
over-current protection relay / digital / programmable / configurable
over-current protection relay
7SJ81/82/85/86 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
over-current protection relay / earth-leakage / phase / digital
over-current protection relay
7SR45

... Reyrolle 7SR45 numeric relay provides both definite time and inverse time overcurrent and earth fault protection functions ensuring sensitivity with a minimum operate setting of 0.2 ⋅ ...

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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
electric motor protection relay / voltage / thermal / current
electric motor protection relay
7SR17, 7SR105 series

Trigger voltage: 18 V - 300 V

... installed on auxiliary equipment. The Reyrolle 7SR17 Rho relay includes thermal protection optimised for motor applications and motor starting supervision algorithms. Several other protections ...

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Siemens Energy automation and smart grid
voltage protection relay / thermal / current / digital
voltage protection relay
7SR191

Trigger voltage: 19 V

... is a numerical protection device with a highly comprehensive functional software package. Features The market for power capacitors is continually growing due to the expanding power ...

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Siemens Energy automation and smart grid
earth-leakage protection relay / phase / current / digital
earth-leakage protection relay
7SR23

... impedance circulating current relay that has four current inputs, it is used as a unit protection to detect phase and earth faults. Features The relay ...

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Siemens Energy automation and smart grid
over-current protection relay / frequency / digital / programmable
over-current protection relay
7SJ8 series

The overcurrent and feeder protection relays can be used for line/feeder protection of high and medium-voltage networks with grounded, low-resistance grounded, isolated ...

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

... Functions Protection functions •Overcurrent protection (definite-time/inverse-time/user-def.) •Sensitive earth-fault detection •Intermittent earth-fault protection •High-impedance ...

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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