1B50UR,断路器 50A,MCB B CHAR 1 PL, 277VAC, UL1077
1B51AN,IC THERMCPL SGNL COND ISOL 38DIP
1B51BN,IC THERMCPL SGNL COND ISOL 38DIP
1B5UM,断路器 5A MCB B Char 1 pl UL508
1B5UR,断路器 5A,MCB B CHAR 1 PL, 277VAC, UL1077
1B6/J,CONN TERM BLK 45DEG DBL BARRIER
1B60UM,断路器 60A MCB B Char 1pl 277VAC UL508
1B60UR,断路器 60A,MCB B CHAR 1 PL, 277VAC, UL1077
