Residual current operated circuit-breakers for household and similar use—Part 3-3:Specific requirements for RCDs with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with aluminium conductors
IDT IEC 62873-3-3:2016
全国低压电器标准化技术委员会(SAC/TC 189)
GB/T 37751的本部分适用于具有连接未经处理铝导线的螺纹型接线端子或连接铜或铝导线的铝制螺纹型接线端子的RCD。用于连接未经处理铝导线的螺纹型接线端子由铜制成，或由至少含有58％铜（冷加工）或至少含有50％铜（其他方式加工）的铜合金制成，或由耐腐蚀性能不低于铜并具有适当机械性能的其他金属或带涂层金属制成。
本部分不能单独使用，需配合RCD产品标准（IEC 61008-1或IEC 61009-1）一起用于具有连接外部未经处理铝导线的螺纹型接线端子和连接铜或铝导线的铝制螺纹型接线端子。
本部分中，镀铜、镀镍的铝导线均视为铝导线。
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