家用及类似用途的机电接触器

[中文适用范围]： 说明接触器的特性、接触器应遵守的操作和行为条件、介电特性、防护等级和结构、用于确认这些条件的测试 [外文原描述]： Applies to electromechanical air break contactors for household and similar purposes provided with main contacts intended to be connected to circuits the rated voltage of which does not exceed 440 V a.c. with rated operational currents less than or equal to 63 A for utilization category AC-7a and 32 A for utilization category AC-7b, and rated conditional short-circuit current less than or equal to 6 kA. This standard replaces IEC 60158-3.