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IEC 60947-5-3 2013 Low-voltage switchgear and controlgear - Part 5-3 Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (
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IEC 60947-5-3 2013 Low-voltage switchgear and controlgear - Part 5-3 Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (
