2DU1R,断路器 1A D Characteristic UL 1077 2 POLE
2DU2,断路器 2A D Characteristic UL 508 2 POLE
2DU2.5,断路器 2.5A MCB DCHARL 480Y/277VAC UL508
2DU20,断路器 20A D Characteristic UL 508 2 POLE
2DU20L,断路器 20.0A Two Pole "D"
2DU20R,断路器 20A D Characteristic UL 1077 2 POLE
2DU25,断路器 25A D Characteristic UL 508 2 POLE
2DU25L,断路器 25.0A Two Pole "D"