Siemens/西门子 品牌
代理商厂商性质
上海所在地
供应SIEMENS西门子接触器3RT1016-1BB41用辅助接点来导通控制回路。主接点一般是常开接点，而辅助接点常有两对常开接点和常闭接点，小型的接触器也经常作为中间继电器配合主电路使用。交流接触器的接点，由银钨合金制成，具有良好的导电性和耐高温烧蚀性。交流接触器动作的动力源于交流通过带铁芯线圈产生的磁场，电磁铁芯由两个「山」字形的幼硅钢片叠成，其中一个固定铁芯，套有线圈，工作电压可多种选择。为了使磁力稳定，铁芯的吸合面加上短路环。交流接触器在失电后，依靠弹簧复位。
供应SIEMENS西门子接触器3RT1016-1BB41另一半是活动铁芯，构造和固定铁芯一样，用以带动主接点和辅助接点的闭合断开。20安培以上的接触器加有灭弧罩，利用电路断开时产生的电磁力，快速拉断电弧，保护接点。接触器具可高频率操作，做为电源开启与切断控制时﹐zui高操作频率可达每小时1200次。接触器的使用寿命很高，机械寿命通常为数百万次至一千万次，电寿命一般则为数十万次至数百万次。
不同型号的适用范围：
1、3TF48系列交流接触器主要用于交流50Hz（或60Hz）、额定工作电压至660V，额定工作电流至 370A的电力系统中接通和分断电路，并可与适当的热过载继电器或电子式保护装置组合成电磁起动器，以保护可能发生过载的电路。 产品符合GB 14048.4和IEC 60947-4-1等标准。
2、3TF48-9～110交流接触器（以下简称接触器）主要用于交流50Hz（或60Hz）、额定工作电压zui高至660V、在AC-3使用类别下额定工作电压为380V、额定工作电流至110A的电力系统中，供远距离接通和分断电路，并可与适当的热过载继电器或电子式保护装置组合成电磁起动器，以保护操作（运行）可能发生过载的电路。 符合标准：GB 14048.4、IEC 60947-4-1。
3、3TF48系列交流接触器主要用于交流50Hz(或60Hz)、额定工作电压至1000V，在AC-3使用类别下额定工作电压为380V时额定工作电流至475A的电路中，供远距离接通和分断电路或频繁起动和控制交流电动机，并可与适当的热过载继电器组成电磁起动器，以保护可能发生过载的电路。 产品符合GB14048.4和IEC60947-4-1等标准。
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