{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"VW3A66303","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"VW3A66303","canonicalUrl":"https://aoctrl.com/schneider/VW3A66303","factsUrl":"https://aoctrl.com/api/mcp/products/VW3A66303","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric VW3A66303 Interbus-S protocol PCMCIA communication card, RS485 connector, 1 LED for actuator power supply status, obsolete.","salesMarkdown":"The VW3A66303 is a PCMCIA-format communication card from Schneider Electric, running the Interbus-S protocol over an RS485 physical layer. A single LED on the card indicates actuator power supply status — green means the bus-side power is present, dark means the card isn't seeing supply voltage. This is a fieldbus interface card, meant to plug into a drive or controller PCMCIA slot to put it on an Interbus-S network. The card uses a PCMCIA form factor — it slides into the matching slot on a compatible drive or controller. The RS485 connector is a standard 2-wire plus shield termination for the Interbus-S bus. The single LED is your only onboard diagnostic; it tells you the card has power from the host device's backplane, but it won't show bus traffic or node status. If you're troubleshooting a silent node, start by confirming that LED is lit, then check the bus terminator and cable continuity.","metaTitle":"VW3A66303 Interbus-S PCMCIA Communication Card, Obsolete","metaDescription":"VW3A66303 Interbus-S protocol PCMCIA communication card. Obsolete, sourced to order against RFQ. RS485 connector, single LED for power supply status. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Motor Control Accessories"],"specifications":{"Display type":"1 LED for actuator power supply status","Connector type":"RS485","lifecycle_stage":"mature","Product or component type":"Communication cards","Communication port protocol":"Interbus-S"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://www.se.com/nl/en/product/VW3A66303/interbuss-protocole-pcmcia-communication-card/","alternativesUrl":"https://aoctrl.com/api/mcp/products/VW3A66303/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy VW3A66303?","answer":"The VW3A66303 is sourced through independent distribution on a quoted-to-order basis. Submit an RFQ for current availability and pricing; we confirm both at quote time."},{"question":"What is the VW3A66303's connector type and display?","answer":"The VW3A66303 has an RS485 connector and a single LED that indicates actuator power supply status."},{"question":"What protocol does the VW3A66303 use?","answer":"The VW3A66303 communicates using the Interbus-S protocol."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/VW3A66303","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/VW3A66303 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}