{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RP1531-1AQ30","brand":"Siemens","brandSlug":"siemens","productSlug":"3RP1531-1AQ30","canonicalUrl":"https://aoctrl.com/siemens/3RP1531-1AQ30","factsUrl":"https://aoctrl.com/api/mcp/products/3RP1531-1AQ30","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RP1531-1AQ30 off-delay time relay, 24 VDC, 0.5–10 s adjustable, 5 A thermal current, DIN rail mount.","salesMarkdown":"## What it does in the panel The Siemens SIRIUS 3RP1531-1AQ30 is a single-function timing relay built for off-delay duty — the output drops out a settable time after the control signal is removed, which is the pattern most often used for fan run-down, lamp hold-on, and controlled discharge sequencing in a control panel. ## Timing envelope and contact ratings The on-board adjustment runs 0.5 to 10 s, with a 150 ms recovery time and a 35 ms minimum ON period — meaning the relay needs the trigger pulse held for at least 35 ms to start its timing cycle cleanly, and re-arms within 150 ms after the cycle ends. ## Fit, footprint, and wiring The housing footprint is 22.5 mm wide by 102 mm tall by 91 mm deep — the standard SIRIUS 22.5 mm module width, so it shares DIN-rail real estate with adjacent SIRIUS timers and coupling relays without a special cutout.","metaTitle":"Siemens 3RP1531-1AQ30 SIRIUS Time Delay Relay, 0.5-10 s","metaDescription":"Siemens 3RP1531-1AQ30 SIRIUS off-delay timer, adjustable 0.5 to 10 s, 24 VDC coil, 5 A thermal current. Sourced to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Time Delay Relays"],"specifications":{"Depth":"91 mm","Solid":"20 ... 14","Width":"22.5 mm","title":"3RP1531-1AQ30","Height":"102 mm","Upwards":"0 mm","at 24 V":"1 A","Forwards":"0 mm","ON-delay":"No","Stranded":"20 ... 14","at 125 V":"0.2 A","at 250 V":"0.1 A","at 50 Hz":"100 ... 127 V","at 60 Hz":"100 ... 127 V","Backwards":"0 mm","Downwards":"0 mm","OFF delay":"Yes","At The Side":"0 mm","description":"Timing relay, electronic Phased-out product!!! For further information, please contact our sales department OFF delay 1 change-over contact, with auxiliary voltage 1 time range 0.5 s...10 s 24 AC, 100...127 V and 24 V DC at 50/60 Hz AC with LED, Screw terminal","Non-Volatile":"No","Relay Output":"Yes","Initial Value":"0.85","Pulse Delayed":"No","Pulse-Shaping":"No","Recovery Time":"150 ms","During Storage":"-40 ... +85 °C","Adjustable Time":"0.5 ... 10 s","Thermal Current":"5 A","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","During Transport":"-40 ... +85 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail","Full-Scale Value":"1.1","Delayed Switching":"1","Mounting Position":"any","Tightening Torque":"0.8 ... 1.2 N·m","additive ON-delay":"No","at DC rated value":"24 V","minimum ON period":"35 ms","Product Brand Name":"SIRIUS","Star-Delta Circuit":"No","Type Of Insulation":"Basic insulation","Degree Of Pollution":"3","Product Designation":"timing relay","protection class IP":"IP20","Passing Make Contact":"No","at 50 Hz rated value":"24 V","at 60 Hz rated value":"24 V","for AWG cables solid":"2x (20 ... 14)","Instantaneous Contact":"0","Passing Break Contact":"No","Semi-Conductor Output":"No","Power Supply Influence":"±1 %","power loss [W] maximum":"2 W","OFF delay/instantaneous":"No","for AWG cables stranded":"2x (20 ... 14)","Relative Repeat Accuracy":"1 %","Pulse Delayed/Instantaneous":"No","Pulse-Shaping/Instantaneous":"No","Substance Prohibitance (Date)":"05/28/2009","Material Of Switching Contacts":"AgSnO2","ON-delay/instantaneous contact":"No","Test Voltage For Isolation Test":"2 kV","additive ON-delay/instantaneous":"No","ON-delay/OFF-delay/instantaneous":"No","Control Supply Voltage Frequency 1":"50 ... 60 Hz","Relative Humidity During Operation":"10 ... 95 %","Star-Delta Circuit With Delay Time":"No","Passing Break Contact/Instantaneous":"No","Surge Voltage Resistance Rated Value":"4 000 V","EMC immunity according to IEC 61812-1":"EN 61000-6-2","Flashing Symmetrically With Pulse Start":"No","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","Finely Stranded With Core End Processing":"0.5 ... 2.5 mm²","Flashing Asymmetrically With Pulse Start":"No","Influence Of The Surrounding Temperature":"±5 %","Contact Reliability Of Auxiliary Contacts":"one incorrect switching operation of 100 million switching operations (17 V, 5 mA)","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","Flashing Asymmetrically With Interval Start":"No","Design Of The Thread Of The Connection Screw":"M3","shock resistance according to IEC 60068-2-27":"11g / 15 ms","Retriggerable With Deactivated Control Signal":"No","Type Of Voltage Of The Control Supply Voltage":"AC/DC","operating frequency with 3RT2 contactor maximum":"5 000 1/h","vibration resistance according to IEC 60068-2-6":"10 ... 55 Hz / 0.35 mm","Retrotriggerable With Switched-On Control Signal":"No","EMC emitted interference according to IEC 61812-1":"EN 61000-6-4(3)","Mechanical Service Life (Operating Cycles) Typical":"10 000 000","electrostatic discharge according to IEC 61000-4-2":"4 kV contact discharge / 8 kV air discharge","contact rating of auxiliary contacts according to UL":"R300 / B300","Flashing Symmetrically With Pulse Start/Instantaneous":"No","Relative Setting Accuracy Relating To Full-Scale Value":"5 %","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","Design Of The Fuse Link For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 4 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$98.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8cd738ea80373653d88addfb8e8365ec.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=518715&mlfb=3RP1531-1AQ30"},"ai":{"faq":[{"question":"Where does the 3RP1531-1AQ30 drop into a panel originally built around a 6GK7243-1PX30-0XE0?","answer":"It does not. The 6GK7243-1PX30-0XE0 is a communications module, not a SIRIUS timing relay — they are different device classes, different DIN-rail footprints, and different wiring. The 3RP1531-1AQ30 belongs in the timer row of a control panel, not in the network slot."},{"question":"What timing window does the 3RP1531-1AQ30 cover?","answer":"The 3RP1531-1AQ30 adjusts from 0.5 s to 10 s with scale markers between 0.85 and 1.1 across the dial — suited to short off-delay sequencing such as cooling-fan run-down, lamp hold-on, and valve de-energisation delays rather than long multi-minute timing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RP1531-1AQ30","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/3RP1531-1AQ30 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T21:25:03.927Z","lastPublished":"2026-07-22T21:25:03.927Z","indexable":true}}