{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1405-1SE15-0AA2","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1405-1SE15-0AA2","canonicalUrl":"https://aoctrl.com/siemens/3RK1405-1SE15-0AA2","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1405-1SE15-0AA2","rawCanonicalId":null},"summary":{"shortDescription":"Siemens ASIsafe SlimLine S45F safety module, 3RK1405-1SE15-0AA2, 1F-RO/2DI/2DO, IP20, screw terminals, 45 mm width.","salesMarkdown":"## ASIsafe SlimLine S45F — Phase-Out Notice and Sourcing Reality The Siemens 3RK1405-1SE15-0AA2 is an ASIsafe SlimLine module in the S45F form factor, providing one safe relay output (2-channel), two standard digital inputs, and two standard digital outputs. It operates on 24 V DC with screw-terminal connections and draws up to 200 mA from the AS-interface bus. The module is IP20-rated, mounts on a standard 35 mm DIN rail or directly to a wall, and measures 45 mm wide by 105.9 mm tall by 120 mm deep. The 2 digital inputs draw a minimum of 5 mA at signal <1>, which is typical for AS-Interface standard inputs and compatible with most 3-wire sensors. The 2 digital outputs are short-circuit-proof and require an external 24 V DC supply via the AUX POWER pins — they do not draw load current from the AS-Interface bus. The single safe output is a relay with 2-channel structure, meaning two independently controlled contacts must agree to switch the load; this meets the redundancy requirement for SIL 3 / PL e applications when the external wiring and logic match. The built-in watchdog, induction protection, and short-circuit protection reduce the need for external fusing or suppression on the module side. Addressing is done via the front addressing socket. The yellow LEDs indicate I/O status, the green LED shows AUX power presence, and the combined green/red LED reports AS-Interface communication and diagnostics. A steady green on the bus LED means the module is communicating; a flashing red points to a configuration mismatch or a missing slave. ## Deployment Context This module is designed for safety-related applications on an AS-Interface safety network. The screw terminals accept standard ferrule-ended control wiring, and the front addressing socket means the module address can be set without removing the wiring.","metaTitle":"Siemens 3RK1405-1SE15-0AA2 ASIsafe SlimLine, 1F-RO/2DI/2DO,","metaDescription":"Siemens 3RK1405-1SE15-0AA2 ASIsafe SlimLine module, 1 safe relay output, 2 DI, 2 DO, 24 V DC, IP20, 45 mm. Product phase-out, now only available as spare part. Sourced to order aga","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Depth":"120mm","Width":"45mm","Height":"105.9mm","Watchdog":"built-in","Addressing":"front addressing socket","ID/ID2 code":"A/E","During Storage":"-40 ... +85°C","display of I/Os":"yellow LED","display of Uaux":"green LED","lifecycle_stage":"current","During Operation":"-25 ... +70°C","Fastening Method":"standard rail mounting/wall mounting","I/O configuration":"7","protection class IP":"IP20","switching level Low":"5","Induction Protection":"built-in","switching level High":"10","Design Of The Product":"Safe SlimLine module S45F, 1F-RO/2DI/2DO","Short-Ciruit Protection":"built-in","Number Of Digital Inputs":"2","Number Of Digital Outputs":"2","Type Of Voltage Of Output Voltages":"DC","display of AS-Interface/diagnostics":"green/red LED","AS interface total current input max":"200mA","Outputs external power supply 24 V DC":"via AUX POWER","reference code according to EN 61346-2":"A","Property Of The Output Short-Circuit Proof":"Yes","protocol is supported AS-Interface protocol":"Yes","Input Current At Digital Input For Signal <1> Minimum":"5mA","Type Of Electrical Connection Of The Inputs And Outputs":"screw terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$365.76","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=434956&mlfb=3RK1405-1SE15-0AA2","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1405-1SE15-0AA2/alternatives.json"},"ai":{"faq":[{"question":"How do I source the 3RK1405-1SE15-0AA2?","answer":"Since it is in phase-out and only available as a spare part, sourcing runs through the surplus and broker channel. Submit an RFQ for a quote on available inventory. There is no standard lead time or stock guarantee."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1405-1SE15-0AA2","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/3RK1405-1SE15-0AA2 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}}