IEC TR2 60947-5-4:1996 Low-voltage switchgear and controlgear - Part 5: Control circuit devices and switching elements - Section 4: Method of assessing the performance of low-energy contacts - Special tests was changed to IEC 60947-5-4:2002 Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements; Method of assessing the performance of low-energy contacts; Special tests.
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