{"schemaVersion":1,"slug":"ansi-three-wire-touch-sensitive-switch","name":"ANSI/IEEE Three-wire touch-sensitive switch form","kind":"symbol","abbreviation":"HPX11TS3","aliases":["HPX11TS3","VPX11TS3","IEEE Normally Open 3 Wire","ANSI Three-wire touch-sensitive switch"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-library form of three-wire touch-sensitive switch: this representation distinguishes a separately supplied three-wire touch-switch interface.","description":["This reference locates three-wire touch-sensitive switch in Autodesk's IEEE-oriented touch switches family. This representation distinguishes a separately supplied three-wire touch-switch interface. The public library uses HPX11TS3 for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","Read the operating mechanism and the contact reference state together. Cross-reference every associated contact to the same device and show which movement, signal or reset changes its condition; the symbol alone does not establish the complete switching sequence.","Identify power, return and output using the selected product connection information. Wire count is not an output-polarity or protocol specification. Identify power, return and output using the selected product connection information. Wire count is not an output-polarity or protocol specification. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted."],"readingNotes":["Identify power, return and output using the selected product connection information.","Wire count is not an output-polarity or protocol specification."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Identify power, return and output using the selected product connection information.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"Wire count is not an output-polarity or protocol specification.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview: Touch Switches; published form: Normally Open 3 Wire."},{"label":"Public vendor block","value":"HPX11TS3. Vendor library token, not an IEEE symbol number."},{"label":"Information added","value":"Identify power, return and output using the selected product connection information."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"},{"label":"Artwork scope","value":"Original educational geometry. Exact standard graphics, product ratings and terminal pinouts are not certified."}],"references":[{"sourceId":"s28-ieee-touch-switches","relevance":"Public IEEE-oriented Touch Switches table explicitly lists HPX11TS3 as Normally Open 3 Wire. This supports the vendor convention context, not reproduction of the publisher graphic."}],"related":["iec-three-wire-touch-sensitive-switch","relay-coil","normally-open-contact"],"artwork":"s28-ansi-three-wire-touch-sensitive-switch","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Normally Open 3 Wire","reference":"Autodesk IEEE Symbol Preview: Touch Switches, block HPX11TS3. Matching functional counterpart linked separately. Independently drawn educational geometry; not a certified IEEE glyph or database identifier.","counterpart":"iec-three-wire-touch-sensitive-switch"},"plainEnglish":{"title":"What does ANSI/IEEE Three-wire touch-sensitive switch form mean?","introduction":"This reference locates three-wire touch-sensitive switch in Autodesk's IEEE-oriented touch switches family. This representation distinguishes a separately supplied three-wire touch-switch interface. The public library uses HPX11TS3 for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","example":"Read the operating mechanism and the contact reference state together. Cross-reference every associated contact to the same device and show which movement, signal or reset changes its condition; the symbol alone does not establish the complete switching sequence.","drawings":"Identify power, return and output using the selected product connection information. Wire count is not an output-polarity or protocol specification. Identify power, return and output using the selected product connection information. Wire count is not an output-polarity or protocol specification. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted.","terms":[{"name":"Normally open / normally closed","meaning":"The contact state in the normal condition defined for the drawing."},{"name":"Terminal","meaning":"An identified point where a conductor connects."},{"name":"Signal","meaning":"Electrical information passed between devices, rather than necessarily the main power supply."}],"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: Touch Switches","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-75D5D41D-60B5-4D57-852E-D4422F14F392.htm"}],"detail":"IEEE-library form of three-wire touch-sensitive switch: this representation distinguishes a separately supplied three-wire touch-switch interface. Wire count is not an output-polarity or protocol specification.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-three-wire-touch-sensitive-switch","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-three-wire-touch-sensitive-switch.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"s28-ieee-touch-switches","title":"Autodesk IEEE Symbol Preview: Touch Switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-75D5D41D-60B5-4D57-852E-D4422F14F392.htm","type":"cad-reference","scope":"Public touch switches family names and vendor block tokens. Horizontal, vertical and rotated placements are not separate engineering functions. Exact standard geometry is not reproduced.","checkedOn":"2026-10-28","reuse":"link-only","relevance":"Public IEEE-oriented Touch Switches table explicitly lists HPX11TS3 as Normally Open 3 Wire. This supports the vendor convention context, not reproduction of the publisher graphic."}]}