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SZJ直流接触器MZJ-50A 100A200A400A600A 12V24V36V48V60V72VDC
200A14VDC四脚绞盘机直流接触器一组常开12V24V36V48V银合金触点
200a14vdc四脚绞盘机直流合金一组常开12v24v36v48v银接触器触点
