{"schemaVersion":1,"slug":"ansi-single-phase-ac-to-dc-current-converter","name":"ANSI/IEEE single-phase AC-DC current converter symbol","kind":"symbol","abbreviation":"I~/I=","aliases":["IEEE AC to DC current converter symbol","ANSI current transducer symbol","HIN1G1"],"category":"measurement-protection","drawingTypes":["Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-library current converter form that turns an AC measuring current into a scaled DC signal for remote indication.","description":["This converter takes an AC current, usually from a CT secondary, and produces a DC signal proportional to it for a PLC, SCADA input or remote meter. It sits in series with the CT circuit, so the CT secondary must remain closed through the converter input or a shorting link while it is removed.","The form does not state whether the output is average-responding or true RMS, the output range or the response time. Distorted currents from drives and rectifiers can be read quite differently by different converter types."],"readingNotes":["Treat the input as part of the CT secondary loop.","Check whether the converter is true RMS when harmonics are present."],"drawingChecklist":["Show CT ratio feeding the input","State output signal range","Provide CT shorting provision"],"distinction":"A current converter outputs a signal for other equipment; an ammeter displays the current itself.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview, Instrumentation and Sensors"},{"label":"Public vendor block name","value":"HIN1G1 / VIN1G1 (Autodesk identifier; not an IEEE symbol number)"},{"label":"Input","value":"AC current, usually from a CT secondary"},{"label":"Artwork scope","value":"Original functional illustration; exact standard glyph and compliance are not certified"}],"references":[{"sourceId":"ansi-autodesk-f44d5059-4728-40bd-b9ba-0de7cfdfaacf","relevance":"Public IEEE-oriented Instrumentation and Sensors preview listing the AC-DC Current Converter Single Phase block and its vendor identifier."},{"sourceId":"ieee-315","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}],"related":["iec-single-phase-ac-to-dc-current-converter","ansi-current-transformer","ct-test-terminal"],"artwork":"s28-ansi-single-phase-ac-to-dc-current-converter","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Autodesk IEEE-oriented Instrumentation and Sensors form: AC-DC Current Converter Single Phase","counterpart":"iec-single-phase-ac-to-dc-current-converter","reference":"Autodesk publishes this block under its IEEE Symbol Preview. The counterpart is the matching functional concept in the library; no equivalence of every detailed standard graphic is asserted."},"plainEnglish":{"title":"What does ANSI/IEEE single-phase AC-DC current converter mean?","introduction":"This converter takes an AC current, usually from a CT secondary, and produces a DC signal proportional to it for a PLC, SCADA input or remote meter. It sits in series with the CT circuit, so the CT secondary must remain closed through the converter input or a shorting link while it is removed.","example":"The form does not state whether the output is average-responding or true RMS, the output range or the response time. Distorted currents from drives and rectifiers can be read quite differently by different converter types.","drawings":"Treat the input as part of the CT secondary loop. Check whether the converter is true RMS when harmonics are present. A current converter outputs a signal for other equipment; an ammeter displays the current itself.","terms":[{"name":"DC","meaning":"Direct current: electricity flowing in one direction."},{"name":"AC","meaning":"Alternating current: electricity whose direction changes periodically."},{"name":"Phase","meaning":"One of the related AC waveforms in a power system."}],"diagram":"flow","steps":["Identify the device and form","Read the connections and state","Check the equipment reference"],"caption":"A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.","sources":[{"label":"Autodesk IEEE Symbol Preview — Instrumentation and Sensors","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F44D5059-4728-40BD-B9BA-0DE7CFDFAACF.htm"},{"label":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","url":"https://standards.ieee.org/ieee/315/515/"}],"detail":"IEEE-library current converter form that turns an AC measuring current into a scaled DC signal for remote indication. A current converter outputs a signal for other equipment; an ammeter displays the current itself.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-single-phase-ac-to-dc-current-converter","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-single-phase-ac-to-dc-current-converter.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"ansi-autodesk-f44d5059-4728-40bd-b9ba-0de7cfdfaacf","title":"Autodesk IEEE Symbol Preview — Instrumentation and Sensors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F44D5059-4728-40BD-B9BA-0DE7CFDFAACF.htm","type":"cad-reference","scope":"Verified public IEEE-oriented vendor catalogue. Block names identify vendor symbols, not IEEE standard symbol numbers. Linked only; graphics and CAD files are not redistributed. IEEE/ANSI 315-1975 is a historical graphics reference with Inactive-Reserved status; this page does not certify current standards compliance.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public IEEE-oriented Instrumentation and Sensors preview listing the AC-DC Current Converter Single Phase block and its vendor identifier."},{"id":"ieee-315","title":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","publisher":"IEEE Standards Association","url":"https://standards.ieee.org/ieee/315/515/","type":"standard","scope":"Graphic symbols and designation letters. IEEE lists this edition as Inactive-Reserved; it is a historical reference, not a claim of current compliance.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}]}