電流センサ、電流計測システム及び分電盤

摘要

PROBLEM TO BE SOLVED: To provide a current sensor, current measurement system, and distribution board capable of keeping a space for a winding without extending the length of a core of the winding in an axial direction.;SOLUTION: A current sensor 2 measures the current flowing through a conductive member 162. The current sensor 2 includes: an annular core 33 surrounding the conductive member; and a winding 345 formed by winding a conducting wire on at least one leg piece 342 of a pair of leg pieces 342 included by the core 33. In the winding 345, the width of the target winding in a space E1 created between the end of a conductive member 162 and the core 33 in the lateral direction is larger than the target winding overlapping with the conductive member when viewed from a first direction.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT