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
2D486,开关硬件 UNSEALED OI
【3M】2D4A-505-ISG,COVER 2-TYPE 505 ISG
【3M】2D4B-505-ISG,COVER 2-TYPE 505 ISG
