{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FX3U-32BL","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"FX3U-32BL","canonicalUrl":"https://aoctrl.com/mitsubishi/FX3U-32BL","factsUrl":"https://aoctrl.com/api/mcp/products/FX3U-32BL","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi FX3U-32BL, lithium metal battery, 3 V nominal, for FX3U series PLC program memory and keep-device backup.","salesMarkdown":"The Mitsubishi FX3U-32BL is a 3 V lithium metal battery that sits inside the FX3U series PLC to retain program memory in built-in RAM, keep devices (battery-backed data registers and latched coils), sampling trace results, and the real-time clock when the main power is off. This is the OEM-specified backup battery for the Mitsubishi FX3U PLC family. It drops into the battery holder on the CPU module or memory cassette. No wiring or configuration — just a CR-type coin cell swap during powered-down maintenance. The 3 V nominal voltage matches the FX3U's memory retention circuit. ## Compliance and handling note Lithium metal construction means this battery falls under IATA/ICAO special provision A45 for air freight; 0.15 g lithium content per cell keeps it under most modal thresholds for small-quantity shipments. Dispose per local regulations for lithium metal cells — do not incinerate or short-circuit.","metaTitle":"Mitsubishi FX3U-32BL Battery, 3V Lithium Metal, FX3U PLC Bac","metaDescription":"Mitsubishi FX3U-32BL 3V lithium metal battery for FX3U series PLC. Backs up program memory, keep devices, sampling trace & clock. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"Product No.":"FX3U-32BL","Battery type":"lithium metal battery","Manufacturer":"Mitsubishi","Product Type":"Battery","Nominal voltage":"3V","Shipping Weight":"1 Kg","lifecycle_stage":"mature","Estimated Lead Time":"1 - 10 working days.","Product supply status":"Cell","Lithium content (gram/unit)":"0.15","This battery backs up the following data":"Program memory in built-in RAMKeep devices (battery backup devices)Results of sampling traceTime on clock"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$83.00 – $90.45","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c0ba0d11bcc394fb4cf7ac8c515edfaa.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/FX3U-32BL/alternatives.json"},"ai":{"faq":[{"question":"What data does this battery back up?","answer":"It retains program memory in the built-in RAM, keep devices (battery-backed data registers and latched coils), sampling trace results, and the real-time clock setting."},{"question":"What is the battery chemistry and voltage?","answer":"It is a 3 V lithium metal battery containing 0.15 g of lithium per cell."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/FX3U-32BL","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-32BL 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}}