{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2831-1DH10","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2831-1DH10","canonicalUrl":"https://aoctrl.com/siemens/3RA2831-1DH10","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2831-1DH10","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2831-1DH10 function module, ON-delay timer, adjustable 0.05-100 s, AC/DC 90-240 V, clip-on mounting, 45 x 74 x 38 mm.","salesMarkdown":"## ON-delay timing for SIRIUS contactor assemblies The 3RA2831-1DH10 is a SIRIUS function module that adds an adjustable ON-delay to a contactor assembly — the delay range spans 0.05 to 100 s, set via a potentiometer on the module face. Clip-on mounting to the contactor means no DIN rail space is consumed — the module snaps directly onto the SIRIUS 3RT2 contactor front, keeping the panel layout tight. ## Timing behaviour and recovery This is a pure ON-delay function — the output switches after the set time when control voltage is applied, with no OFF-delay or pulse-shaping modes. The recovery time between cycles is 50 ms, which governs how quickly the timer resets after the control voltage drops. The module can be mounted in any orientation, matching the contactor's position flexibility. ## Sourcing and lifecycle status Pricing and availability are confirmed at quote time against your BOM quantity. The module is sourced through authorized distribution channels; no minimum order restrictions apply for standard quantities.","metaTitle":"Siemens 3RA2831-1DH10 SIRIUS Function Module","metaDescription":"Siemens 3RA2831-1DH10 SIRIUS function module, adjustable ON-delay 0.05-100s, AC/DC 90-240V, clip-on mounting. Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Starters"],"specifications":{"Depth":"74 mm","Solid":"20 ... 14","Width":"45 mm","at DC":"90 ... 240 V","title":"3RA2831-1DH10","Height":"38 mm","Upwards":"0 mm","Forwards":"0 mm","ON-delay":"Yes","Stranded":"20 ... 14","at 50 Hz":"90 ... 240 V","at 60 Hz":"90 ... 240 V","Backwards":"0 mm","Downwards":"0 mm","OFF delay":"No","At The Side":"0 mm","description":"electronic timing relay, ON-delay, with semiconductor output, time range 0.05-100 s, 90-240 V AC/DC, 50/60 Hz, varistor for attenuation of the contactor coils integrated, screw terminal, can be snapped on at the front on contactors 3RT2.3 / 3RT2.4","Non-Volatile":"No","Initial Value":"0.85","Pulse Delayed":"No","Pulse-Shaping":"No","Recovery Time":"50 ms","During Storage":"-40 ... +85 °C","Adjustable Time":"0.05 ... 100 s","Type Of Voltage":"AC/DC","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","During Transport":"-40 ... +85 °C","Fastening Method":"clip-on","Full-Scale Value":"1.1","Delayed Switching":"1","Mounting Position":"any (like contactor)","additive ON-delay":"No","ON-delay/OFF-delay":"No","Product Brand Name":"SIRIUS","Star-Delta Circuit":"No","Type Of Insulation":"Basic insulation","Degree Of Pollution":"3","Product Designation":"function module","Passing Make Contact":"No","for AWG cables solid":"2x (20 ... 14)","Passing Break Contact":"No","Power Supply Influence":"±1 %","OFF delay/instantaneous":"No","for AWG cables stranded":"2x (20 ... 14)","Relative Repeat Accuracy":"1 %","consumed current at 24 V":"24 mA","Pulse Delayed/Instantaneous":"No","Pulse-Shaping/Instantaneous":"No","Substance Prohibitance (Date)":"10/01/2009","Design Of The Surge Suppressor":"with varistor","ON-delay/instantaneous contact":"No","Test Voltage For Isolation Test":"1.5 kV","additive ON-delay/instantaneous":"No","ON-delay/OFF-delay/instantaneous":"No","Variably Clocked With Pulse Start":"No","Control Supply Voltage Frequency 1":"50 ... 60 Hz","Relative Humidity During Operation":"0 ... 95 %","Star-Delta Circuit With Delay Time":"No","Passing Break Contact/Instantaneous":"No","Product Function Star-Delta Circuit":"No","Test Voltage For Surge Voltage Test":"4 800 V","protection class IP of the terminal":"IP20","Surge Voltage Resistance Rated Value":"4 kV","Variably Clocked With Interval Start":"No","with contactor 3R.2 of frame size S2":"5 000 000","with contactor 3R.2 of frame size S3":"3 000 000","Constant Clock Cycle With Pulse Start":"No","EMC immunity according to IEC 61812-1":"Environment A (industrial area)","Flashing Symmetrically With Pulse Start":"No","Product Component Semi-Conductor Output":"Yes","due to burst according to IEC 61000-4-4":"2 kV network connection / 1 kV control connection","reference code according to IEC 81346-2":"K","Constant Clock Cycle With Interval Start":"No","Finely Stranded With Core End Processing":"0.5 ... 2.5 mm²","Flashing Asymmetrically With Pulse Start":"No","Influence Of The Surrounding Temperature":"±1 %","Product Extension Optional Remote Control":"No","Product Extension Required Remote Control":"No","Flashing Symmetrically With Interval Start":"No","Passing Make Contact/Instantaneous Contact":"No","Design Of The Control Terminal Non-Floating":"Yes","Finely Stranded Without Core End Processing":"0.25 ... 1.5 mm²","Flashing Asymmetrically With Interval Start":"No","shock resistance according to IEC 60068-2-27":"15g / 11 ms","Retriggerable With Deactivated Control Signal":"No","Type Of Voltage Of The Control Supply Voltage":"AC/DC","operating frequency with 3RT2 contactor maximum":"2 500 1/h","vibration resistance according to IEC 60068-2-6":"10 ... 59 Hz: 0.35 mm, 60 ... 150 Hz: 2g","Retrotriggerable With Switched-On Control Signal":"No","Mechanical Service Life (Operating Cycles) Typical":"100 000 000","Size Of Contactor Can Be Combined Company-Specific":"S2, S3","electrostatic discharge according to IEC 61000-4-2":"8 kV","Flashing Symmetrically With Pulse Start/Instantaneous":"No","Relative Setting Accuracy Relating To Full-Scale Value":"15 %","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Flashing Symmetrically With Interval Start/Instantaneous":"No","Type Of Electrical Connection For Auxiliary And Control Circuit":"screw-type terminals","Product Component Removable Terminal For Auxiliary And Control Circuit":"Yes","Retrotriggerable With Deactivated Control Signal/Instantaneous Contact":"No","Retrotriggerable With Switched-On Control Signal/Instantaneous Contact":"No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f43121c6ef1075c84e62ffc2f81a6f5f.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=95634&mlfb=3RA2831-1DH10"},"ai":{"faq":[{"question":"What is the adjustable time range on 3RA2831-1DH10?","answer":"The ON-delay is adjustable from 0.05 to 100 seconds, set by a potentiometer on the module."},{"question":"What control voltage does 3RA2831-1DH10 accept?","answer":"It accepts AC or DC control voltage from 90 to 240 V, covering 50/60 Hz line voltages."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2831-1DH10","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/3RA2831-1DH10 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}