{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FX3U","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"FX3U","canonicalUrl":"https://aoctrl.com/mitsubishi/FX3U","factsUrl":"https://aoctrl.com/api/mcp/products/FX3U","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi FX3U Compact PLC, DC Input; AC Input, 24VDC; 115VAC; 230VAC Power, Relay Output; Transistor Output.","salesMarkdown":"## What It Is – FX3U Compact PLC The Mitsubishi FX3U is a compact programmable logic controller (PLC) that gives you flexibility on the input side: it accepts either DC or AC inputs, and the same CPU can be powered from 24 VDC or from mains voltage (115 or 230 VAC). Outputs are available as relay or transistor, depending on the specific model variant within the series. That range of I/O and supply options makes the FX3U a go-to for legacy line retrofits where the cabinet already has mixed-voltage control wiring, or for OEM designs that need to ship one controller into both North American and European plants without changing the BOM. ## Lifecycle Reality – Mature, Not Dead The FX3U is a mature product; firmware updates and expanded features are not expected. Source this against an RFQ; lead times are consistent. ## Integrator's Quick Spec Recap Input: DC Input or AC Input – the PLC can handle either, but you pick a specific model when ordering. Power: choose 24 VDC, 115 VAC, or 230 VAC – not multi-voltage auto-ranging, so confirm your plant voltage before buying. Output: relay for high-current or mixed-voltage loads, transistor for high-speed switching or DC-only circuits. Built-in timers and counters are standard, and the FX3U can be programmed via the front panel or from a PC – handy for on-the-floor edits without firing up a laptop.","metaTitle":"Mitsubishi FX3U Compact PLC, Mature Lifecycle, DC/AC Input O","metaDescription":"Mitsubishi FX3U compact PLC with DC/AC input, 24VDC/115VAC/230VAC power, and relay/transistor output options. Mature lifecycle stage; order via RFQ for BOM fill.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"Input":"DC Input; AC Input","Power":"24VDC; 115VAC; 230VAC","Output":"Relay Output; Transistor Output","Features":"Timers; Counter","Product Name":"Compact Programmable Logic Controller","Product Number":"FX3U","lifecycle_stage":"mature","Product Category":"Programmable Logic Controllers (PLC)","Programming Options":"Front Panel; Computer Programmable"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/742c600ad457e57ff35f3c4a9bc30d31.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/FX3U/alternatives.json"},"ai":{"faq":[{"question":"What input and power options does the FX3U support?","answer":"According to the product listing, the FX3U accepts DC Input or AC Input (specific model determines which), and can be powered by 24 VDC, 115 VAC, or 230 VAC. Outputs can be relay or transistor, depending on the variant."},{"question":"How do I source the FX3U for a BOM line?","answer":"Because the FX3U is a mature product, we source it to order against an RFQ. Contact us with your required model variant (input type, power, output type) and quantity, and we'll provide a quote and lead time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/FX3U","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/mitsubishi/FX3U 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}}