{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV2021-1EA20-0DA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV2021-1EA20-0DA0","canonicalUrl":"https://aoctrl.com/siemens/3RV2021-1EA20-0DA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RV2021-1EA20-0DA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RV2021-1EA20-0DA0, S0 frame circuit breaker for system protection, 100 kA interrupting capacity at 400 V AC, Trip Class 10, screw and snap-on 35 mm DIN rail mount.","salesMarkdown":"It carries a 100 kA short-circuit breaking capacity at 240 V, 400 V, and 500 V AC, dropping to 4 kA at 690 V AC. The 45 mm width and 97 mm depth fit the S0 footprint, and it snaps onto 35 mm DIN rail per DIN EN 60715, so it drops into any standard panel without extra bracketry. Clearance: 50 mm above and below, 30 mm to the side, zero forward or backward.","metaTitle":"Siemens 3RV2021-1EA20-0DA0 SIRIUS Circuit Breaker, 100 kA SC","metaDescription":"Siemens 3RV2021-1EA20-0DA0 SIRIUS circuit breaker, S0 frame, 100 kA at 400 V, Trip Class 10. Current production. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"97 mm","Width":"45 mm","Height":"119 mm","Upwards":"50 mm","Forwards":"0 mm","Backwards":"0 mm","Downwards":"50 mm","Trip Class":"CLASS 10","At The Side":"30 mm","Rated Value":"20 ... 690 V","During Storage":"-50 ... +80 °C","at AC-3 maximum":"15 1/h","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715","at AC-3e maximum":"15 1/h","Mounting Position":"any","Solid Or Stranded":"2x (1 ... 10 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Circuit breaker","at 230 V rated value":"0.8 kW","at 240 V rated value":"100 kA","at 400 V rated value":"100 kA","at 500 V rated value":"100 kA","at 690 V rated value":"4 kA","Design Of The Product":"for system protection","Ground Fault Detection":"No","Phase Failure Detection":"No","For Main Current Circuit":"spring-loaded terminals","at AC at 240 V rated value":"100 kA","at AC at 400 V rated value":"100 kA","at AC at 500 V rated value":"100 kA","at AC at 690 V rated value":"6 kA","Design Of Screwdriver Shaft":"Diameter 3 mm","Size Of The Circuit-Breaker":"S0","Size Of The Screwdriver Tip":"3,0 x 0,5 mm","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"100 000","at AC in hot operating state":"7.25 W","at AC-3 at 400 V rated value":"4 A","at AC-3e rated value maximum":"690 V","Of Auxiliary Contacts Typical":"100 000","Substance Prohibitance (Date)":"10/01/2009","at AC-3e at 400 V rated value":"4 A","Design Of The Overload Release":"thermal","Operating Frequency Rated Value":"50 ... 60 Hz","Operational Current Rated Value":"4 A","Design Of The Short-Circuit Trip":"magnetic","Product Extension Auxiliary Switch":"Yes","Relative Humidity During Operation":"10 ... 95 %","Display Version For Switching Status":"Handle","Surge Voltage Resistance Rated Value":"6 kV","at AC in hot operating state per pole":"2.4 W","With Side-By-Side Mounting At The Side":"0 mm","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (1 ... 6 mm²)","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","with low demand rate according to SN 31920":"50 FIT","Finely Stranded Without Core End Processing":"2x (1 ... 6 mm²)","with high demand rate according to SN 31920":"50 %","number of CO contacts for auxiliary contacts":"0","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"0","shock resistance according to IEC 60068-2-27":"25g / 11 ms Sinus","Electrical Endurance (Operating Cycles) Typical":"100 000","Size Of Contactor Can Be Combined Company-Specific":"S00, S0","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Arrangement Of Electrical Connectors For Main Current Circuit":"Top and bottom","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"52 A","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"2.8 ... 4 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/69e3aae776a3a972c11948ccacc118a3.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1415577&mlfb=3RV2021-1EA20-0DA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV2021-1EA20-0DA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 3RV2021-1EA20-0DA0 and get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for quote (RFQ) and we will confirm availability and current pricing at quote time."},{"question":"What is the depth of the 3RV2021-1EA20-0DA0?","answer":"The depth is 97 mm, with a width of 45 mm and height of 119 mm. It occupies the S0 frame footprint."},{"question":"Will the 3RV2021-1EA20-0DA0 drop into a panel specified for the 3RV2021-1GA25?","answer":"Both are S0-frame SIRIUS breakers on the same 45 mm width and 35 mm DIN-rail mount, so the mechanical fit is identical. The difference is in the interrupting rating and trip characteristics — verify the 3RV2021-1GA25's SCCR and trip class against your fault study before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV2021-1EA20-0DA0","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/3RV2021-1EA20-0DA0 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}}