2D2UL,断路器 2A, D CHAR, 2POLE 480Y/277VAC,UL489
2D2UM,断路器 2A MCB DCHAR 1P+N 277VAC UL508
2D2UR,断路器 2A,MCB D CHAR 2PL 480Y/277VAC, UL1077
2D3.5UM,断路器 3.5A MCB DCHAR 1P+N 277VAC UL508
2D30DL,断路器 D CHAR, 2POLE, 250VDC, UL489
2D30UL,断路器 30A, D CHAR, 2POLE 480Y/277VAC,UL489
2D30UM,断路器 30A MCB DCHAR 1P+N 277VAC UL508
2D30UR,断路器 30A,MCB D CHAR 2PL 480Y/277VAC, UL1077
