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型号含义 | Meaning Of Model                                                  LSFK2

            LS  F   K   2  - □                                                      火灾监控专用剩余电流互感器
                                                                                    Special residual current transformer for fire monitoring




                                         内孔直径 /Diameter of inner hole
                                         设计序号 /Design Number
                                         开启式 /Open type
                                         外形结构 /Outline structure
                                         剩余电流互感器 Residual current transformer



           技术参数表 | Technical Data Form

            额定一次电流 Rated primary current           1A            耐压强度  Compressive strength       AC 3kv/min

            额定二次电流 Rated second current         0.5mA.1mA         绝缘电阻  insulation resistance   DC 500V/100mΩ

            准确级 Accuracy level                    0.5,1          连续热电流 Continuous hot current        2A

            工作频率 working frequency              50-400Hz          工作温度  working temperature       -15℃ -50℃



           外形及安装尺寸 | Overall Dimension Drawing(mm)











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                         参考相电流(A)               外形尺寸(mm)Outline size
            规格型号 Type
                         Reference phase current (A)  A   B        C         D        E         F        G
            LSFK2-1030   ≤ 100                  155       63       105       28       148       5        28
            LSFK2-1435   ≤ 225                  205       75       145       33       198       5        28

            LSFK2-1835   ≤ 400                  245       75       184       33       238       5        28
            LSFK2-2250   ≤ 630                  295       95       229       48       288       5        28

            LSFK2-3160   ≤ 1250                 388       110      318       58       381       5        28



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