3B5UM,断路器 B CHAR,3POLE,480Y/277VAC,UL508
3B5UR,断路器 5A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B60UM,断路器 60A MCB B CHAR 3 PL 480Y/277VAC UL508
3B60UR,断路器 60A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B63UM,断路器 63A CRT BRKR BCHAR 3pl 480Y
3B63UR,断路器 63A,MCB B CHAR 3PL 480Y/277VAC, UL1077
3B6UM,断路器 6A MCB B CHARL 480Y/277VAC UL508
3B6UR,断路器 6A,MCB B CHAR 3PL 480Y/277VAC, UL1077
