{"schemaVersion":1,"slug":"minimum-active-power-relay","name":"Minimum active-power relay","kind":"symbol","abbreviation":"P LOW","aliases":["HCR1F43","VCR1F43"],"category":"measurement-protection","drawingTypes":["SLD","Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A minimum active-power relay operates according to a configured low active-power condition.","description":["A minimum active-power relay operates according to a configured low active-power condition. The measurement direction and enable logic determine what low power means in the control sequence."],"readingNotes":["Identify the directional convention before evaluating the threshold.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Show voltage/current inputs","State power direction","Reference threshold and enabling logic"],"distinction":"Minimum active power and reverse power are different operating criteria.","facts":[{"label":"Drawing role","value":"Monitoring element"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HCR1F43, VCR1F43 (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":"pub-symbol-monitoring-relays","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["current-transformer","relay-coil"],"artwork":"edu-minimum-active-power-relay","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/minimum-active-power-relay","illustration":{"url":"https://eloragrid.ai/library/illustrations/minimum-active-power-relay.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-symbol-monitoring-relays","title":"AutoCAD Electrical: Miscellaneous monitoring relays","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-31F4CF79-F8E0-4E5A-8C51-4D71640ACDB8.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","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."}]}