关注微信公众号查券更方便
1SDA073778R1脱扣信号触点询价
ABB 1SDA073778R1 S51 Indication Trip Unit 250V AC/DC Emax 2
ABB 1SDA073778R1 S51 Indikation Reise Einheit 250V AC/Dc Ema
ABB1SDA073778R1S51指示行程单元250伏交流/直流Emax2
原装供应 1SDA073778R1 继电器跳闸信号触点 28544
