antion专利名称：CIRCUIT PROTECTOR 发明人：KASAHARA YASUO
申请号：JP28106087
申请日：19871109
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公开号：JPH0375971B2
公开日：
19911204
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摘要：PURPOSE:To improve operability and reduce energy consumption by employing a 2nd coil for keeping a cutout condition of a circuit, and making it possible to automatically ret the circuit, thereby stopping the supply of a current to the coil. CONSTITUTION:When a current through a load circuit 15 increas, the attraction force of a permanent magnet 5 is decread by the magnetic flux of a 1st coil 3, and a movable member 6 is moved by an urging means 8 to a 2nd position to cut out the circuit of the load circuit 15. At the same time, a movable contact point 10 comes into contact with a武汉职业培训学校
2nd stationary contact point 12 to clo a ret circuit and a current flows through a 2nd coil 4 to keep the movable member 6 at the 2nd position. When a drive signal is supplied from a ret control circuit 17 bad on a ret signal and the circuit of the ret circuit is cut out, the movable member 6 is attracted by the permanent magnet 5 and is displaced to the 1st position, and the ret of the electric path of the load circuit 15 is automatically performed. This improves operability while reducing energy consumption.
合同翻译申请人：TAKEI NOBUKO
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