1B40UM,断路器 40A MCB B Char 1pl 277VAC UL508
1B40UR,断路器 40A,MCB B CHAR 1 PL, 277VAC, UL1077
1B41AN,IC RTD SIGNAL COND HYBRID 38-DIP
1B41BN,IC RTD SIGNAL COND HYBRID 38-DIP
1B4UM,断路器 4A MCB B Char 1 pl 277V UL 508
1B4UR,断路器 4A,MCB B CHAR 1 PL, 277VAC, UL1077
1B5/J,CONN TERM BLK 90DEG BARRIER
1B50UM,断路器 50A MCB B Char 1pl 277VAC UL508
