{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"Q312B","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"Q312B","canonicalUrl":"https://aoctrl.com/mitsubishi/Q312B","factsUrl":"https://aoctrl.com/api/mcp/products/Q312B","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi MELSEC Q Series Q312B Controller Base Unit, 12 Module Slots, 1 Power Supply Slot, 0.45 Kg, DIN Rail Mount.","salesMarkdown":"## What the Q312B Covers in a MELSEC Q Rack The Mitsubishi Q312B is a Q Controller Base Unit for the MELSEC Q Series, providing 12 module slots for I/O, special function, and communication modules. It mounts on DIN rail and requires one power supply module in the dedicated leftmost slot. ## Backplane Power and Slot Budget The backplane supplies 5 VDC power to the rack modules. Dimensions are 4.4 cm deep, 43.9 cm wide, and 9.8 cm tall. Operating range is 0°C to +55°C.","metaTitle":"Mitsubishi Q312B Base Unit, 12 Module Slots","metaDescription":"Mitsubishi Q312B Q Controller Base Unit with 12 module slots, DIN rail mount, 0.45 kg. Sourced through authorized channels with full chain of custody.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"title":"Q312B","Weight":"0.45 Kg","Product No.":"Q312B","description":"Q312B CPU BASE UNIT Q SERIES 12 I O SLOT 1 POWER SUPPLY SLOT 98 X 439 X 44 1 MM 0 13 AMP 5 VDC","For Use With":"MELSEC Q Series","Module Slots":"12","Product type":"Q Controller Base Unit","Mounting Type":"DIN Rail","Shipping Weight":"2 Kg","lifecycle_stage":"mature","Estimated Lead Time":"Usually ships in 1 - 10 working days.","Dimensions (L x W x H)":"4.4cm x 43.9cm x 9.8cm","Power Supply Module Required":"1","Maximum Operating Temperature":"+55°C","Minimum Operating Temperature":"0°C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$24.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/71fffe972ea3d5f92e9e7bf924ab7165.pdf","sourceUrl":"https://www.automationcontrolandproject.com/cgi/d05_showmore_2.php?start=80&end=119&cat_idx=plc-programming.html&server=https&id=1&action=showmore&domain_alias=automationcontrolandproject-com&pageHtmlType=category_left"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/Q312B","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/Q312B when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}