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BS PD IEC TS 63346-2-3:2025
M00000124
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BS PD IEC TS 63346-2-3:2025 Low-voltage auxiliary power systems-Part 2-3: Design criteria - Low-voltage AC auxiliary power systems for substations
standard byBSI Group , 11/13/2025
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This part of IEC 63346 specifies common rules and requirements for the design of low voltage (LV) AC auxiliary power systems (APSs) intended to be installed in substations, mainly covering the configuration of AC power sources, system wiring, protection, electric equipment selection and physical layout.