{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1300-1KS01-0AA3","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1300-1KS01-0AA3","canonicalUrl":"https://aoctrl.com/siemens/3RK1300-1KS01-0AA3","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1300-1KS01-0AA3","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS EM 300 DS direct starter, 3RK1300-1KS01-0AA3, electromechanical, setting range 9-12A, AC-3 5.5kW/400V, IP65, with brake contact and PROFIBUS DP.","salesMarkdown":"The Siemens 3RK1300-1KS01-0AA3 is an EM 300 DS electromechanical direct starter designed for the ET 200X distributed I/O system. It's a motor-protecting combination unit that integrates a contactor, bimetal overload relay, and short-circuit protection into a single IP65 enclosure. Rated for AC-3 duty at 400 V, it handles motor loads up to 5.5 kW with a setting range of 9 to 12 A. The full-scale value is 12 A, meaning the bimetal overload is adjustable across that band to match the motor's full-load current. It includes a motor brake output for internally supplied brakes, a 9-pole motor feeder, and a 9-pole power connection — all terminated via tab terminals. The operating voltage range is 400 to 500 V AC. This is a field-mounted unit for the ET 200X family — it bolts directly to the motor feeder module, not to a DIN rail inside a control cabinet. PROFIBUS DP communication is built in, so the starter reports status and accepts start/stop commands over the fieldbus without a separate I/O slice. The 9-pole power connection carries the motor leads; the brake contact is a separate output for holding brakes common on vertical-axis drives. Ambient temperature range is 0 to 55 °C during operation. ## Protection and coordination Short-circuit protection is provided by circuit-breakers integrated into the design, with a maximum short-circuit breaking capacity (Icu) of 50 A at 400 V. The motor protection is bimetal-based, so it tracks thermal load via a heating element. It's not electronic, meaning no ambient-temperature compensation or adjustable trip class — set the dial to the motor's FLA and let the bimetal do its job. Equipment marking per DIN EN 61346-2 is Q, the standard identifier for power switching equipment in industrial schematics.","metaTitle":"Siemens 3RK1300-1KS01-0AA3 EM 300 DS direct starter, 9-12A,","metaDescription":"Siemens 3RK1300-1KS01-0AA3 EM 300 DS electromechanical direct starter for ET 200X. Setting range 9-12A, AC-3 5.5kW/400V, IP65, PROFIBUS DP, with brake contact. Current lifecycle st","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Depth":"134mm","Width":"140mm","Height":"270mm","Maximum":"5.5kW","Minimum":"5.5kW","Initial Value":"9A","Type of voltage":"DC","lifecycle_stage":"current","Full-scale value":"12A","Protection class IP":"IP65","PROFIBUS DP protocol":"Yes","AS-interface protocol":"No","Design of the product":"direct starter","Type of the motor protection":"bimetal","at AC-3 at 400 V rated value":"5.5kW","Operating voltage rated value":"400 ... 500V","Design of the switching contact":"electromechanical","Design of short-circuit protection":"circuit-breakers","Product function Bus communication":"Yes","Ambient temperature during operation":"0 ... 55°C","Product component Motor brake output":"Yes","Equipment marking acc. to DIN EN 61346-2":"Q","Type of electrical connection for main current circuit":"tab terminals","Maximum short-circuit current breaking capacity (Icu) at 400 V rated value":"50A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=500464&mlfb=3RK1300-1KS01-0AA3","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1300-1KS01-0AA3/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for this direct starter?","answer":"AC-3 motor rating is 5.5 kW at 400 V, with a setting range of 9 to 12 A (full-scale 12 A). Operating voltage is 400 to 500 V AC. Short-circuit breaking capacity (Icu) is 50 A at 400 V. Ambient temperature range is 0 to 55 °C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1300-1KS01-0AA3","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/3RK1300-1KS01-0AA3 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}}