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2D4UL,断路器 4A, D CHAR, 2POLE 480Y/277VAC,UL489
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2D4UM,断路器 4A MCB DCHAR 1P+N 277VAC UL508
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2D4UR,断路器 4A,MCB D CHAR 2PL 480Y/277VAC, UL1077
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2D5,按钮开关 UNSEALED OI
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2D50DL,断路器 D CHAR, 2POLE, 250VDC, UL489
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2D50UL,断路器 50A, D CHAR, 2POLE 240VAC,UL489
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2D50UM,断路器 50A MCB DCHAR 1P+N 277VAC UL508
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2D50UR,断路器 50A,MCB D CHAR 2PL 480Y/277VAC, UL1077
