{"schemaVersion":1,"slug":"current-measuring-shunt","name":"Current-measuring shunt","kind":"symbol","abbreviation":"SHUNT","aliases":["HVR1R7","VVR1R7","DC current shunt"],"category":"control-circuits","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A current-measuring shunt produces a documented voltage drop corresponding to current through a resistive element.","description":["A current-measuring shunt produces a documented voltage drop corresponding to current through a resistive element. The drawing must distinguish the current path from the sensing leads."],"readingNotes":["Identify the separate measurement connections where the selected shunt provides them.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State current and voltage-drop rating","Show sense leads","Reference polarity/scaling"],"distinction":"A shunt produces a voltage measurement without a current-transformer secondary.","facts":[{"label":"Drawing role","value":"Passive circuit element"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HVR1R7, VVR1R7 (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"autodesk-resistors","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["resistor","capacitor"],"artwork":"edu-current-measuring-shunt","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/current-measuring-shunt","illustration":{"url":"https://eloragrid.ai/library/illustrations/current-measuring-shunt.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-resistors","title":"Resistors and heater-element symbols","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1D071951-D38E-4B15-8B9E-C30ECBD55C19.htm","type":"cad-reference","scope":"Fixed and variable resistive components, shunts and heater elements.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}