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Siemens 7SR51 - Page 62

Siemens 7SR51
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Parameter: VT1/2/3 Ratio Prim
Default setting: 132000 V
The setting value is used (in conjunction with VT1/2/3 Ratio Sec setting) by the device instrumenta-
tion e.g. to display primary voltage values.
Parameter: VT1/2/3 Ratio Sec
Default setting: 110 V
The setting value is used (in conjunction with VT1/2/3 Ratio Prim setting) by the device instrumen-
tation e.g. to display primary voltage values.
Parameter: VT1/2/3 Nominal
Default setting: 63.5 V
This is set to the rated voltage applied to the VT input. The setting will be dependent on the VT Config
setting e.g. phase-phase or phase-neutral Volts may be connected to the VT inputs.
Device Functionality
3.3 CT and VT Inputs
62 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019

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