Applies to low-voltage switchgear and controlgear type-tested assemblies (TTA) and partially type-tested assemblies (PTTA), the rated voltage of which does not exceed 1 000 V a.c. at frequencies not exceeding 1 000 Hz, or 1 500 V d.c.
KS IEC 60439-1:2001
Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies.
Number of Pages:89
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Kes 7,725.00