Name of the part
SCT-013-030
It is a current sensor. Looks like this:
A google search of the form “fritzing part current transformer” turns up several hits (although not the one you requested.) If one of those won’'t do than you need to fill in the template that you appear to have ignored to provide sufficient information (i.e. the physical dimensions of the deviec and the connections, images are basically useless.)
Peter