3AH系列真空断路器是西门子公司是上世纪90年代中期推向市场的全球第一款免维护型产品, 供货范围覆盖下列参数：工作电压高达40.5kV，工作电流高达6300A，短路开断电流高达72kA，几乎覆盖了所有的中压场合，其稳定的优良性能得到了电力系统用户的一致推崇。西门子真空断路器 3AH系列系结合多年的产品设计和运行经验，基于原 3AF 真空断路器并针对中国电力系统绝缘要求而进行改进开发和生产的新一代产品。
因此，在保证开断额定短路电流的前提下，灭弧室的体积可以具有较小的尺寸。西门子的这种新型真空灭弧室，还具有截流值小的特点。因此，断路器在开断变压器等一类感性负载时不会出现危害的操作过电压，真空灭弧室与弹簧操动的优良机械特性配合，还使 3AH真空断路器能够多次成功地合、分电容器组，而不会出现重燃过电压。断路器的操作机构采用弹簧储能，可以手动储能，也可以电动储能。在该机构中各个零部件都是经过精密加工装配而成。而且关键部件和材料用特殊的工艺制造。这样确保了整个操动机构具有很小的摩擦力各零件之间配合精确动作可靠。


技术参数
3AE-SION真空断路器符合IEC62 271-100,IEC60 694,IEC60 265-1和UL94，而且还满足中国标准GB1984和DL403(绝缘部分)。

我公司特价销售西门子真空断路器系列产品，销售内容包括：
真空灭弧室，真空泡，操作机构箱，
环氧树脂绝缘子，绝缘操动杆，手柄储能机构
储能电机，储能马达，分闸线圈，合闸线圈，
计数器，防跳继电器
欠压线圈，欠压脱扣器，机械联锁装置，
辅助开关，过电流脱扣器，压敏电阻模块 

江西宏陆电气工程有限公司
余斌斌：13585609805微信同号

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3GD1210-4B  
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3GD2010-4BC
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