{"schemaVersion":1,"slug":"semiconductor-power-switch","name":"Semiconductor power switch","kind":"symbol","abbreviation":"SSW","aliases":["HCB11Q53","VCB11Q53","solid state power switch"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A semiconductor power switch controls a power path electronically.","description":["A semiconductor power switch controls a power path electronically. Its power terminals and control input belong to different circuits, and off-state leakage or isolation characteristics require product documentation."],"readingNotes":["Do not interpret the semiconductor off state as a visible mechanical isolation gap.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Identify input and power terminals","Reference voltage and current ratings","Document external isolation provision"],"distinction":"A solid-state switch is not an isolating disconnector.","facts":[{"label":"Drawing role","value":"Switching path"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HCB11Q53, VCB11Q53 (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-power-switches","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["disconnector","circuit-breaker"],"artwork":"edu-semiconductor-power-switch","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/semiconductor-power-switch","illustration":{"url":"https://eloragrid.ai/library/illustrations/semiconductor-power-switch.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-power-switches","title":"AutoCAD Electrical: Power semiconductor switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-54E4231E-F794-4527-9104-C2D7BA312077.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."}]}