2B30UR,断路器 30A,MCB B CHAR 2PL 480Y/277VAC, UL1077
2B32UM,断路器 32A MCB B CHAR 1P+N 277VAC UL508
2B32UR,断路器 32A,MCB B CHAR 2PL 480Y/277VAC, UL1077
2B3UM,断路器 3A MCB B CHAR 277VAC UL508
2B3UR,断路器 3A,MCB B CHAR 2PL 480Y/277VAC, UL1077
2B4,2 BLACK MNTING BARRIER ATTACH
2B40UM,断路器 40A MCB B CHAR 1P+N 277VAC UL508
2B40UR,断路器 40A,MCB B CHAR 2PL 480Y/277VAC, UL1077
