{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1322-1FS02-1AA3","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1322-1FS02-1AA3","canonicalUrl":"https://aoctrl.com/siemens/3RK1322-1FS02-1AA3","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1322-1FS02-1AA3","rawCanonicalId":null},"summary":{"shortDescription":"Siemens AS-Interface compact reversing starter, 3RK1322-1FS02-1AA3, electromechanical, bimetal motor protection, setting range 3.5-5 A, AC-3 1.9 kW at 400 V, IP65, with brake contact.","salesMarkdown":"The Siemens 3RK1322-1FS02-1AA3 is an AS-interface compact reversing starter in an IP65-rated enclosure, designed for direct-on-line motor control in distributed automation layouts. It's an electromechanical reversing starter with bimetal motor protection, set for a current range of 3.5 to 5 A, delivering 1.9 kW at 400 V under AC-3 duty — that's the motor-switching rating, not the resistive load curve. The 3.5 to 5 A setting range and 1.9 kW at 400 V AC-3 tell you this is sized for small three-phase motors — think fractional to about 2.5 HP at 400 V. The bimetal overload relay inside provides inverse-time thermal protection, so it tracks motor heating reasonably well for standard squirrel-cage induction motors. ## AS-interface and bus integration This starter communicates via AS-interface protocol, not PROFIBUS DP. The part includes bus communication capability and two integrated inputs, which means it can take direct commands from the AS-i master and also read local sensors (e.g., limit switches or presence detectors) without an extra I/O block. There's also a motor brake output built in — a 400 V AC brake contact for holding brakes on vertical-axis drives. ## Physical layout and connection Main circuit connections use tab terminals, which are common for quick-connect wiring in distributed installations. The motor outgoing feeder is a 9-pole connection, and the power connection is also 9-pole, so you're wiring a single multi-conductor cable for the motor, brake, and feedback.","metaTitle":"Siemens 3RK1322-1FS02-1AA3 AS-i Reversing Starter, 3.5-5 A,","metaDescription":"Siemens 3RK1322-1FS02-1AA3 AS-interface compact reversing starter, electromechanical, bimetal motor protection, 3.5-5 A, 1.9 kW at 400 V AC-3, IP65, with brake output. Current life","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Depth":"190 mm","Width":"120 mm","Height":"270 mm","Maximum":"1.9 kW","Minimum":"1.9 kW","Initial Value":"3.5 A","Type of voltage":"DC","lifecycle_stage":"current","Full-scale value":"5 A","Type of assignment":"1","Protection class IP":"IP65","PROFIBUS DP protocol":"No","AS-interface protocol":"Yes","Design of the product":"reversing starter","Type of the motor protection":"bimetal","Design of the switching contact":"electromechanical","Design of short-circuit protection":"circuit-breakers","Product function Bus communication":"Yes","Ambient temperature during operation":"-25 ... +55 °C","Product component Motor brake output":"Yes","Equipment marking acc. to DIN EN 61346-2":"Q","Operating power at AC-3 at 400 V rated value":"1.9 kW","Type of electrical connection for main current circuit":"tab terminals","Maximum short-circuit current breaking capacity (Icu) at 400 V rated value":"50 000 A"}},"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=63500&mlfb=3RK1322-1FS02-1AA3","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1322-1FS02-1AA3/alternatives.json"},"ai":{"faq":[{"question":"What are the key dimensions of this reversing starter?","answer":"The enclosure is 270 mm high, 120 mm wide, and 190 mm deep. These dimensions are for the IP65 housing with tab-terminal connections."},{"question":"What motor power can this starter handle?","answer":"It's rated for 1.9 kW at 400 V under AC-3 duty (motor switching), with a current setting range of 3.5 to 5 A. That covers small three-phase motors up to roughly 2.5 HP at 400 V."},{"question":"Does this part include a brake output?","answer":"Yes, it has a motor brake output rated for 400 V AC, which is a holding-brake contact for vertical-axis or high-inertia loads that need to hold position when power is removed."},{"question":"What communication protocol does it use?","answer":"It uses AS-interface protocol for bus communication. It does not support PROFIBUS DP. The AS-i connection carries both power and data on a two-wire cable, simplifying wiring in distributed layouts."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1322-1FS02-1AA3","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/3RK1322-1FS02-1AA3 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}}