1B1UM,断路器 1A MCB B Char 1 pl 277VAC UL508
1B1UR,断路器 1A,MCB B CHAR 1 PL, 277VAC, UL1077
1B2.5UM,断路器 B CHAR, 1 POLE, 277VAC, UL508
1B2/J,0.187 WIDE QC FOR A1 & CB11
1B20UM,断路器 20A MCB B Char 1pl 277VAC UL508
1B20UR,断路器 20A,MCB B CHAR 1 PL, 277VAC, UL1077
1B21AN,IC CONV V TO I HYBRID 38-DIP
1B22AN,IC VOLTAGE CONVERTER PROG DIP
