3B30UM,断路器 30A CRT BRKR BCHAR 277VAC UL508
3B30UR,断路器 30A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B32UM,断路器 32A MCB B CHAR 3 PL 480Y/277VAC UL508
3B32UR,断路器 32A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B3UM,断路器 B CHAR,3POLE,480Y/277VAC,UL508
3B3UR,断路器 3A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B40UM,断路器 40AMCB B CHAR 3 PL 480Y/277VAC UL508
3B40UR,断路器 40A,MCB B CHAR 3PL 480Y/277VAC, UL1077
