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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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