{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RK1903-0CE00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RK1903-0CE00","canonicalUrl":"https://aoctrl.com/siemens/3RK1903-0CE00","factsUrl":"https://aoctrl.com/api/mcp/products/3RK1903-0CE00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC ET 200SP, digital input module, 24 V DC, 2 DI, 1 byte, pluggable on terminal module, width 15 mm, depth 95 mm, height 196.5 mm.","salesMarkdown":"## Module fit and supply The Siemens 3RK1903-0CE00 is a SIMATIC ET 200SP digital input module with two 24 V DC inputs, occupying 1 byte of the backplane bus. It's pluggable on the terminal module — no tools needed for swap, but the base unit stays wired. Supply voltage range is 20.4 to 28.8 V DC, rated 24 V. The module supports brake control at 24 V DC, which is useful for holding brakes on vertical-axis drives. ## Integration notes Mounts vertically or horizontally in the ET 200SP station. Width is 15 mm — one slice on the DIN rail. Depth is 95 mm, height 196.5 mm. Main energy infeed uses screw-type terminals; load-side outgoing feeder also screw-type. Communication and supply voltage transmit via the backplane bus. The module has 2 poles for the main current circuit. Surge voltage resistance is rated 8 kV, and EMC immunity corresponds to severity level 3, ambient A (industrial sector) per IEC 60947-1. Vibration resistance is 2g; shock resistance is 5g for 11 ms. Relative humidity during operation is 5 to 95 %.","metaTitle":"Siemens 3RK1903-0CE00 SIMATIC ET 200SP Digital Input Module,","metaDescription":"Siemens 3RK1903-0CE00 SIMATIC ET 200SP digital input module, 24 V DC, 2 inputs, 1 byte, pluggable on terminal module. Current lifecycle. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Remote I/O & Fieldbus Modules"],"specifications":{"Depth":"95 mm","Width":"15 mm","at DC":"24 ... 24 V","Height":"196.5 mm","Of The Inputs":"1 byte","During Storage":"-40 ... +70 °C","lifecycle_stage":"current","During Operation":"0 ... 60 °C","During Transport":"-40 ... +70 °C","Fastening Method":"pluggable on terminal module","Shock Resistance":"5g / 11 ms","Mounting Position":"vertical, horizontal","Product Brand Name":"SIMATIC","Maximum Permissible":"28.8 V","Minimum Permissible":"20.4 V","Vibration Resistance":"2g","For Main Energy Infeed":"screw-type terminals","supply voltage 1 at DC":"24 ... 24 V","Number Of Digital Inputs":"2","brake control with 24 V DC":"Yes","brake control with 180 V DC":"No","brake control with 230 V AC":"No","brake control with 500 V DC":"No","For Main Energy Transmission":"via energy bus","For Supply Voltage Line-Side":"via backplane bus","For Load-Side Outgoing Feeder":"Screw-type terminals","Operating Voltage Rated Value":"24 ... 24 V","Substance Prohibitance (Date)":"03/01/2017","supports PROFIenergy shutdown":"No","Digital Inputs Parameterizable":"Yes","For Communication Transmission":"via backplane bus","Of The Communication Interface":"via backplane bus","Digital Outputs Parameterizable":"No","For Supply Voltage Transmission":"via backplane bus","Relative Humidity During Operation":"5 ... 95 %","Surge Voltage Resistance Rated Value":"8 kV","supports PROFIenergy measured values":"No","EMC immunity according to IEC 60947-1":"corresponds to degree of severity 3, ambience A (industrial sector)","Type Of Voltage Of The Supply Voltage":"DC","Number Of Poles For Main Current Circuit":"2","Type Of Voltage Of The Control Supply Voltage":"DC","EMC emitted interference according to IEC 60947-1":"CISPR11, ambience A (industrial sector)","Installation Altitude At Height Above Sea Level Maximum":"2 000 m"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2506c84bc50fd54eb200b0e325c9c833.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=459539&mlfb=3RK1903-0CE00","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RK1903-0CE00/alternatives.json"},"ai":{"faq":[{"question":"Who supplies 3RK1903-0CE00 and how is it quoted for volume purchases?","answer":"This module is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is 3RK1903-0CE00's listed depth and width?","answer":"Depth is 95 mm, width is 15 mm, height is 196.5 mm."},{"question":"What is the supply voltage range for 3RK1903-0CE00?","answer":"Rated 24 V DC, with a permissible range of 20.4 to 28.8 V DC."},{"question":"Does 3RK1903-0CE00 support brake control?","answer":"Yes, it supports brake control at 24 V DC."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RK1903-0CE00","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/3RK1903-0CE00 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}}