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LMK1/2-0.66/(BH-0.66)

塑壳式电流互感器
Molded Case Type Current Transformer

注意事项 | Note
◆ 互感器允许接到不超过 0.66kV 的交流电路中，长期工作电流不超过额定值的 1.1 倍，允许 1.2 倍额定电流的短时间使用，北京时间不超过 1 小时，瞬间 (1S
内 ) 工作电流不允许超过 60 倍额定电流 (30B 型为 40 倍 )，非标和作保护用的例外；
◆ 测量仪表接于 S1、S2 端子上，此时必须注意所接仪表的总阻抗 ( 包括接线 ) 不超过互感器的额定负荷；
◆ 互感器在运行中严禁二次开路，假如二次线圈意外在通电时发生开路，则必须进行退磁处理，以减少误差的增加。
◆ The transformer is used for AC circuit with rated voltage under 0.66kV, the working current should not exceed 1.1times of rated current in long -term use of this
product; for short-time use (e.g., Beijing time less than 1 hour), the working current is permitted up to 1.2 times of rated current, the instantaneous (within 1 s) working
current should not exceed 60 times of rated current (model 30B shall be 40 times of that) (excluding non-standard or any type use for protection);
◆ The measuring meter should beconnected to termina S1and S2, and the overall impedance of the meter (including connecting wire) should not exceed the rated load
of transformer;
◆ The secondary winding is strictly prevented secondary from open circuit during operation of transformer. If any open circuit occars accidentally for secondary winding,
it musted be treat with demagnetizing process to reduce error during measurement.

LMK1、2-0.66(BH) 安装方法 | LMK1 And 2-0.66 (BH) Installation Methods

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