{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RN2000-1AA30","brand":"Siemens","brandSlug":"siemens","productSlug":"3RN2000-1AA30","canonicalUrl":"https://aoctrl.com/siemens/3RN2000-1AA30","factsUrl":"https://aoctrl.com/api/mcp/products/3RN2000-1AA30","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RN2000-1AA30 thermistor motor protection relay, compact evaluation unit, 24 V AC/DC, 1 A output at 24 V, IP20, screw-type terminals.","salesMarkdown":"The Siemens 3RN2000-1AA30 is a SIRIUS thermistor motor protection relay — a compact evaluation unit designed to monitor motor winding temperature via PTC thermistors (bimetallic switch). It operates on a 24 V AC/DC supply (rated value 24... 24 V at both 50 Hz and 60 Hz) and provides a 1 A output at 24 V for signaling or direct contactor control. Housed in a 17.5 mm wide, 100 mm high, 90 mm deep enclosure, it mounts on 35 mm DIN rail with screw and snap-on fastening. IP20 rated, with screw-type terminals accepting solid or stranded wire from 20 to 12 AWG (1x 20–12, 2x 20–14). The relay features auto-reset (no external reset), an LED display version, and an initial value (response threshold) of 0.85 times the full-scale value of 1.1. Relative metering precision is 9 %. No galvanic isolation between input and output. Pollution degree 3 rated. The compact 17.5 mm width (one standard module) saves panel space — fits a single slot in a typical terminal-block row. Clearance: 0 mm upwards, downwards, forwards, backwards, and at the side — no mandatory air gaps for this relay, though adjacent heat-generating devices should be considered in dense layouts. Screw-type terminals accept 1x 20–12 AWG solid or 2x 20–14 AWG solid (stranded 20–12 AWG). Strip length and torque follow standard Siemens terminal practice for this class. The design allows jumpering terminal A1 with the root of the changeover contact for bimetallic switch compatibility — see the manual for the exact wiring pattern. ## Output Ratings & Application The relay's output contact is rated 1 A at 24 V, 0.2 A at 125 V, and 0.1 A at 250 V. These are the maximum switching currents — use them to size the downstream contactor or PLC input. For typical motor protection duty, the 1 A at 24 V is sufficient to energize a small contactor coil or signal a digital input. No galvanic isolation between input and output means the PTC circuit and the output share a common reference.","metaTitle":"Siemens 3RN2000-1AA30 SIRIUS Thermistor Motor Protection Rel","metaDescription":"Siemens SIRIUS 3RN2000-1AA30 thermistor motor protection relay, 24 V AC/DC, 1 A output at 24 V, IP20, screw terminals, current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Process / Temperature Controllers"],"specifications":{"Depth":"90 mm","Solid":"20 ... 12","Width":"17.5 mm","Height":"100 mm","Upwards":"0 mm","at 24 V":"1 A","Forwards":"0 mm","Stranded":"20 ... 12","at 125 V":"0.2 A","at 250 V":"0.1 A","Backwards":"0 mm","Downwards":"0 mm","auto-RESET":"Yes","At The Side":"0 mm","Rated Value":"24 ... 24 V","Error Memory":"No","Initial Value":"0.85","During Storage":"-40 ... +85 °C","External Reset":"No","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","Product Category":"SIRIUS 3RN2 thermistor motor protection","Product Function":"thermistor motor protection","Mounting Position":"any","Product Brand Name":"SIRIUS","Degree Of Pollution":"3","Product Designation":"Thermistor motor protection relay","at AWG cables solid":"1x (20 ... 12), 2x (20 ... 14)","display version LED":"Yes","protection class IP":"IP20","at 50 Hz rated value":"24 ... 24 V","at 60 Hz rated value":"24 ... 24 V","Design Of The Product":"Compact evaluation unit, suitable for bimetallic switch (terminal A1 jumpered with root of changeover contact)","Between Input And Output":"No","Relative Metering Precision":"9 %","Substance Prohibitance (Date)":"05/28/2009","Type Of Electrical Connection":"screw-type terminals","Dynamic Open-Circuit Detection":"No","Material Of Switching Contacts":"AgSnO2","Operating Frequency Rated Value":"50 ... 60 Hz","For Auxiliary And Control Circuit":"screw-type terminals","Design Of The Electrical Isolation":"without galvanic isolation","Relative Humidity During Operation":"70 %","Surge Voltage Resistance Rated Value":"4 kV","due to burst according to IEC 61000-4-4":"2 kV (power ports) / 1 kV (signal ports)","reference code according to IEC 81346-2":"K","Finely Stranded With Core End Processing":"0.5 ... 4 mm²","Tightening Torque With Screw-Type Terminals":"0.6 ... 0.8 N·m","number of CO contacts for auxiliary contacts":"1","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"0","shock resistance according to IEC 60068-2-27":"11g / 15 ms","Between The Voltage Supply And Other Circuits":"No","Type Of Voltage Of The Control Supply Voltage":"AC/DC","vibration resistance according to IEC 60068-2-6":"10 ... 55 Hz: 0.35 mm","Mechanical Service Life (Operating Cycles) Typical":"10 000 000","electrostatic discharge according to IEC 61000-4-2":"6 kV contact discharge / 8 kV air discharge","Buffering Time In The Event Of Power Failure Minimum":"40 ms","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Thermal Current Of The Switching Element With Contacts Maximum":"5 A","continuous current of the DIAZED fuse link of the output relay":"6 A","Product Component Removable Terminal For Auxiliary And Control Circuit":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3RN2000-1AA30/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for the 3RN2000-1AA30?","answer":"Supply voltage 24 V AC/DC (50/60 Hz). Output contact rated 1 A at 24 V, 0.2 A at 125 V, 0.1 A at 250 V. Response threshold 0.85 of full scale (1.1). IP20, screw terminals, 17.5 mm wide, operating temperature -25 to +60 °C."},{"question":"What compliance documentation is available for the 3RN2000-1AA30?","answer":"The part carries a substance prohibitance date of 05/28/2009, indicating RoHS compliance per Siemens policy. Standard Siemens documentation (declaration of conformity, CE mark) is provided with the product. No specific UL or IEC certification numbers are listed in this record."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RN2000-1AA30","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/3RN2000-1AA30 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}}