欧姆龙通电延时定时器H3DT-A2接点输出2c 型号:H3DT-A2电源电压:AC/DC24~240V 271 欧姆龙通电延时定时器H3DT-A1接点输出1c 型号:H3DT-A1电源电压:AC/DC24~240V 290