2B48,开关硬件 SHORT MNTING BARRIER GREEN TYPE 1
【3M】2B4A-505-ISG,COVER 2-TYPE FR 505 ISG
【3M】2B4AA-505-ISG,COVER 2-TYPE FR 505 ISG
【3M】2B4B-505-ISG,COVER 2-TYPE FR 505 ISG
【3M】2B4C-505-ISG,COVER 2-TYPE FR 505 ISG
2B4UM,断路器 4A MCB B CHAR 277VAC UL508
2B4UR,断路器 4A,MCB B CHAR 2PL 480Y/277VAC, UL1077
2B5,开关硬件 SHORT MNTING BARRIER GRAY TYPE 2
