{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"R68B","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"R68B","canonicalUrl":"https://aoctrl.com/mitsubishi/R68B","factsUrl":"https://aoctrl.com/api/mcp/products/R68B","rawCanonicalId":null},"summary":{"shortDescription":"R68B PLC Extension Base Unit, accommodates up to 8 plug-in I/O modules, draws 0.81 A from the 5 V backplane rail, UL/cUL/CE, current production.","salesMarkdown":"## What the R68B is – an I/O expansion chassis The R68B is a PLC extension base unit – the backplane and physical mounting frame that carries up to 8 plug-in I/O modules, expanding the digital or analog channel count of a compatible R-series CPU. It is not a standalone controller; it is the expansion stage that sits alongside the main CPU or another base. ## Mounting and integration – DIN rail or direct screw The base mounts with M4 screws through holes sized for an M4 screw or a 4.5 mm clearance hole. An optional DIN rail adapter (model R6DIN1) is available. Ambient operating temperature is rated 0 to 55 °C, covering typical industrial enclosures without forced cooling. ## Sourcing and lifecycle – active, not a wait Certifications UL, cUL, and CE qualify the unit for panels destined for North America and the European market without additional agency review.","metaTitle":"R68B PLC Extension Base Unit, 8 Module Slots, 0.81A","metaDescription":"R68B extension base unit for PLC systems. Supports up to 8 I/O modules. UL/cUL/CE. 0.81 A at 5 VDC internal consumption. Current production, lead time quoted against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"title":"R68B","Weight":"0.55 Kg","Product No.":"R68B","description":"Extension Base Units","Product Type":"Programmable Logic Controller","Certification":"UL,cUL,CE","Shipping Weight":"2 Kg","lifecycle_stage":"current","Mounting Hole Size":"M4 screw hole or ø4.5 hole (for M4 screw)","Estimated Lead Time":"1 - 10 Working Days","DIN Rail Adapter Model":"R6DIN1","Operating Ambient Temperature":"Standard (0 to 55°C)","Number of Mountable I/O Modules":"8","Internal Current Consumption (5 VDC)":"0.81A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$164.00 – $205.74","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/18563e3e6521ea134ea624e744f8d9dc.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How many I/O modules can the R68B accommodate?","answer":"Up to 8 plug-in I/O modules mount on this base unit, per the specification."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/R68B","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/R68B 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}}