求:一霍尔电流传感器性能参数!有图!

各位前辈与老师:你们好!
    我在一个坏的变频器里面找到两个开环的霍尔电流传感器,想用于鱼机的过流保护.但苦于没有其管脚功能及性能参数.如那位前辈知道的话,请告知下.
     谢谢!!!
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