断路器 20A MCB B CHAR 3 PL 480Y/277VAC UL508
热磁 20A AC DC 按片 DIN 轨道
得捷:
CIRCUIT BREAKER20UM 20A B CHAR3P
贸泽:
断路器 20A MCB B CHAR 3 PL 480Y/277VAC UL508
Allied Electronics:
CIRC BRKR; UL508; THERM/MAG; HNDL; CUR-RTG 20A; DIN RAIL; 3 POLE; VOL-RTG 480Y/277VAC; B