{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6SL3211-0KB12-5UB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6SL3211-0KB12-5UB0","canonicalUrl":"https://aoctrl.com/siemens/6SL3211-0KB12-5UB0","factsUrl":"https://aoctrl.com/api/mcp/products/6SL3211-0KB12-5UB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SINAMICS G110 CPM110 AC drive, 6SL3211-0KB12-5UB0, 0.25 kW constant/variable torque, 1AC 200-240V, IP20, without filter, RS485 USS interface.","salesMarkdown":"The 6SL3211-0KB12-5UB0 is a Siemens SINAMICS G110 CPM110 AC drive rated for 0.25 kW in both constant-torque (CT) and variable-torque (VT) applications, fed from a single-phase 200-240 VAC supply. It's the no-filter variant, so on a line with dirty power or tight EMC emissions limits you'll want to add an external line filter — the drive itself handles 47-63 Hz input. The RS485 interface speaks USS protocol, which is Siemens' Modbus-like serial for simple point-to-point or multi-drop control without a fieldbus gateway. The 150% overload for 60 seconds (CT rating) means this drive can handle a 0.25 kW motor pulling 1.5x rated current during startup or a jam — enough for a small conveyor or pump, not for a high-inertia fan that needs a longer ramp. The IP20 enclosure and no-integral-heatsink design means it's meant for a clean, ventilated cabinet; mount it with the 150 x 90 x 101 mm (HxWxD) footprint on a DIN rail or backplate, and keep ambient between -10 and +50 °C. Without the BOP (Basic Operator Panel), you'll commission it via the USS serial link or a simple I/O terminal block.","metaTitle":"Siemens 6SL3211-0KB12-5UB0 SINAMICS G110 Drive, 0.25 kW, 1AC","metaDescription":"Siemens 6SL3211-0KB12-5UB0 SINAMICS G110 AC drive, 0.25 kW, 1AC 200-240V, IP20, RS485 USS. Mature lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["AC Drive (VFD) 240V"],"specifications":{"lifecycle_stage":"mature"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cfc679bb6584a136b7edfb2519b7b1ce.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=321548&mlfb=6SL3211-0KB12-5UB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6SL3211-0KB12-5UB0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest alternative to this SINAMICS G110 drive?","answer":"Within the SINAMICS family, the G120 series offers a more modular, scalable replacement with optional safety functions and PROFINET onboard. The V20 is a cost-optimized alternative for basic pump/fan applications. Neither is pin-compatible — expect different mounting and wiring — but both cover the 0.25 kW power class."},{"question":"Where can I buy 6SL3211-0KB12-5UB0?","answer":"This part is sourced and quoted to order against an RFQ through independent industrial automation distribution. Submit an RFQ for current pricing and availability — stock levels and lead times are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6SL3211-0KB12-5UB0","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/6SL3211-0KB12-5UB0 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}}