{"schemaVersion":1,"slug":"illuminated-normally-open-pushbutton","name":"Illuminated normally-open pushbutton","kind":"symbol","abbreviation":"PB NO LAMP","aliases":["HPB11S75","VPB11S75"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An illuminated NO pushbutton combines a manual normally-open contact function with an indication lamp.","description":["An illuminated NO pushbutton combines a manual normally-open contact function with an indication lamp. The lamp circuit is drawn or referenced separately because its indication need not follow the contact state."],"readingNotes":["Trace the lamp supply independently from the pushbutton contact circuit.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Identify contact terminals","Identify lamp supply and colour","State the indicated condition"],"distinction":"An illuminated actuator does not make its contact a lamp-test contact.","facts":[{"label":"Drawing role","value":"Manual operation"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HPB11S75, VPB11S75 (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-illuminated-pushbuttons","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["pushbutton-no","pushbutton-nc"],"artwork":"edu-illuminated-normally-open-pushbutton","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/illuminated-normally-open-pushbutton","illustration":{"url":"https://eloragrid.ai/library/illustrations/illuminated-normally-open-pushbutton.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-illuminated-pushbuttons","title":"AutoCAD Electrical: Illuminated push buttons","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7B13B543-97A4-4A7E-8D08-49386A153A33.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."}]}