2D3UL,断路器 3A, D CHAR, 2POLE 480Y/277VAC,UL489
2D3UM,断路器 3A MCB DCHAR 1P+N 277VAC UL508
2D3UR,断路器 3A,MCB D CHAR 2PL 480Y/277VAC, UL1077
2D4,按钮开关 UNSEALED OI
2D40DL,断路器 D CHAR, 2POLE, 250VDC, UL489
2D40UL,断路器 40A, D CHAR, 2POLE 240VAC,UL489
2D40UM,断路器 40A MCB DCHAR 1P+N 277VAC UL508
2D40UR,CIRCUIT BREAKER 40A MCB 2PUL1077
