2BU32,断路器 32A MCB B CHAR 480Y/277VAC UL508
2BU32R,断路器 32A B Characteristic UL 1077 2 POLE
2BU3R,断路器 3A B Characteristic UL 1077 2 POLE
2BU4,断路器 4A MCB B CHAR 277VAC UL508
2BU40,断路器 40A MCB B CHARL 480Y/277VAC UL508
2BU40R,断路器 40A B Characteristic UL 1077 2 POLE
2BU4R,断路器 4A B Characteristic UL 1077 2 POLE
2BU5,断路器 5A MCB B CHAR 277VAC UL508
