3DU1R,断路器 1A D Characteristic UL 1077 3 POLE
3DU2,断路器 2A D Characteristic UL 1077 3 POLE
3DU20,断路器 20A D Characteristic UL 1077 3 POLE
3DU20L,断路器 20.0A Three Pole "D"
3DU20R,断路器 20A D Characteristic UL 1077 3 POLE
3DU25,断路器 25A D Characteristic UL 1077 3 POLE
3DU25L,断路器 25.0A Three Pole "D"
3DU25R,断路器 25A D Characteristic UL 1077 3 POLE
