{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7400-1TA01-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7400-1TA01-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7400-1TA01-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7400-1TA01-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-400 rack UR1, central/distributed, 18 slots, 482.5 mm width, 27.5 mm depth, 70 °C max, CCC, UL, FM, CE, UKCA, KC, EAC, RCM approvals.","salesMarkdown":"## What this rack is This is the Siemens SIMATIC S7-400 rack UR1, order code 6ES7400-1TA01-0AA0. It's the backbone for a central or distributed S7-400 system, giving you 18 slots for I/O, processors, and comms modules. Two redundant power supplies can plug in side by side, so if one PS takes a hit, the other keeps the bus alive — that's the kind of uptime a lube route or a cold chain line needs. Rated to run from 0 °C to 70 °C ambient. That 70 °C ceiling is the real tell — most DIN-rail PLCs top out at 55 or 60 °C. If the panel sits near a hot bearing housing or a steam line, this rack keeps the bus stable where a smaller controller would throttle or drop. The 482.5 mm width and 290 mm height are 19-inch rack compatible; the 27.5 mm depth means it fits shallow enclosures without the backplane hitting the gland plate. ## Where it goes in a system The UR1 sits in a 19-inch cabinet or a sub-panel. It carries the P bus and the communication bus, so all S7-400 modules talk across the backplane without extra wiring. With 18 slots, you can pack a CPU, a couple of comm processors, and a dozen I/O slices in one chassis — no need for a second rack unless you're running a big line. ## Compliance at a glance Carries CCC, UL, FM, CE, UKCA, KC, EAC, and RCM approvals. That covers most global markets: China, North America, Europe, UK, South Korea, Russia, and Australia. One part number, one compliance set — no regional variants to track.","metaTitle":"Siemens 6ES7400-1TA01-0AA0 SIMATIC S7-400 Rack UR1, 18 Slots","metaDescription":"Siemens SIMATIC S7-400 rack UR1, 18 slots, 482.5 mm width, 70 °C max, active production. CCC, UL, FM, CE, UKCA approvals. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"CCC":"Yes","Max.":"70 °C","Min.":"0 °C","Depth":"27.5 mm","P bus":"Yes","Width":"482.5 mm","title":"6ES7400-1TA01-0AA0","Height":"290 mm","CE mark":"Yes","UKCA mark":"Yes","FM approval":"Yes","KC approval":"Yes","UL approval":"Yes","description":"SIMATIC S7-400, rack UR1, central and distributed with 18 slots, 2 redundant PS can be plugged in","Number of slots":"18","Weight, approx.":"4.1 kg","lifecycle_stage":"mature","Communication bus":"Yes","EAC (formerly Gost-R)":"Yes","RCM (formerly C-TICK)":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$807.72 – $1,465.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/1fe027ec9c0975cb8de9d5382e79a3e7.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=321039&mlfb=6ES7400-1TA01-0AA0"},"ai":{"faq":[{"question":"What compliance approvals does this rack carry?","answer":"It carries CCC, UL, FM, CE, UKCA, KC, EAC, and RCM marks — covers China, North America, Europe, UK, South Korea, Russia, and Australia."},{"question":"Can I fit two power supplies in this rack?","answer":"Yes, the UR1 is designed for two redundant power supplies to be plugged in side by side, giving you power redundancy without a separate expansion."},{"question":"What temperature range does this rack handle?","answer":"Rated from 0 °C to 70 °C ambient, so it handles hot industrial environments better than many smaller PLC racks."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7400-1TA01-0AA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7400-1TA01-0AA0 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}}