2Z30UL,断路器 Z CHAR,2POLE,480Y/277VAC,UL489
2Z30UM,断路器 30A MCB ZCHAR 1P+N 277VAC UL508
2Z32UL,断路器 Z CHAR,2POLE,480Y/277VAC,UL489
2Z32UM,断路器 32A MCB ZCHAR 1P+N 277VAC UL508
2Z3UM,断路器 3A MCB ZCHAR 1P+N 277VAC UL508
2Z40UM,断路器 40A Z Characteristic UL 508 2 POLE
2Z4UM,断路器 4A MCB ZCHAR 1P+N 277VAC UL508
2Z50UL,断路器 Z CHAR,2POLE,480Y/277VAC,UL489
