3DU4R,断路器 4A D Characteristic UL 1077 3 POLE
3DU5,断路器 5A D Characteristic UL 1077 3 POLE
3DU50,断路器 50A D Characteristic UL 1077 3 POLE
3DU50L,断路器 50.0A Three Pole "D"
3DU50R,断路器 50A D Characteristic UL 1077 3 POLE
3DU5L,断路器 5.0A Three Pole "D"
3DU5R,断路器 5A D Characteristic UL 1077 3 POLE
3DU6,断路器 6A D Characteristic UL 1077 3 POLE
