{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-1DA10","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-1DA10","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-1DA10","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1DA10","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-1DA10, 3.2 A continuous rated current, Trip Class 10, 100 kA breaking capacity at 400 V AC, screw terminals, IP20 front, DIN rail mount.","salesMarkdown":"The Siemens SIRIUS 3RV1021-1DA10 is a motor protection circuit breaker rated for 3.2 A continuous current with Trip Class 10, designed for protecting three-phase motors up to 1.1 kW at 400 V AC. ## Breaking Capacity and Voltage Ratings This breaker delivers 100 kA breaking capacity at 240 V, 400 V, and 500 V AC, dropping to 8 kA at 690 V AC. The 100 kA figure at 400 V means it can interrupt high-fault-current scenarios common in industrial distribution without upstream coordination headaches — it's sized for the high short-circuit current available near a transformer. ## Trip Characteristics and Motor Protection No ground-fault detection on this variant; that's a separate accessory add. Screw terminals on both main and auxiliary/control circuits accept solid or stranded wire: 2× (1…2.5 mm²) or 2× (2.5…6 mm²) per clamp, plus AWG 14–10 for the main contacts.","metaTitle":"Siemens 3RV1021-1DA10 SIRIUS Motor Protection CB, 3.2 A, Cla","metaDescription":"Siemens 3RV1021-1DA10 SIRIUS motor protection circuit breaker, 3.2 A continuous rating, Trip Class 10, 100 kA breaking at 400 V AC, IP20 front, DIN rail mount. Sourced to order, RF","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"96 mm","Solid":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","Width":"45 mm","Height":"97 mm","Stranded":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","Backwards":"0 mm","Trip Class":"CLASS 10","At The Side":"0 mm","Rated Value":"690 V","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Shock Resistance":"25g / 11 ms","Mounting Position":"any","Product Brand Name":"SIRIUS","Product Designation":"circuit breaker","at 400 V rated value":"1.1 kW","Design Of The Product":"for motor protection","Ground Fault Detection":"No","Phase Failure Detection":"Yes","For Main Current Circuit":"screw-type 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":"8 kA","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"7.25 W","Substance Prohibitance (Date)":"01.05.2012 00:00:00","Continuous Current Rated Value":"3.2 A","at AWG cables for main contacts":"2x (14 ... 10)","protection class IP on the front":"IP20","For Auxiliary And Control Circuit":"screw-type terminals","Product Extension Auxiliary Switch":"Yes","operating frequency at AC-3 maximum":"15 1/h","Surge Voltage Resistance Rated Value":"6 000 V","at AC in hot operating state per pole":"2.4 W","Finely Stranded With Core End Processing":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","Number Of Poles For Main Current Circuit":"3","Touch Protection Against Electrical Shock":"finger-safe","number of CO contacts for auxiliary contacts":"0","operational current at AC-3 at 400 V rated value":"3.2 A","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Design Of The Overcurrent Release And Short-Circuit Release":"thermomagnetic","Arrangement Of Electrical Connectors For Main Current Circuit":"front side","Product Component Removable Terminal For Auxiliary And Control Circuit":"No","Mechanical Service Life (Switching Cycles) Of The Main Contacts Typical":"100 000","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"2.2 ... 3.2 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=335127&mlfb=3RV1021-1DA10","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1DA10/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3RV1021-1DA10?","answer":"Submit an RFQ through this listing. Pricing and stock are confirmed at quote time against your required quantity — we source through independent distribution and can quote against your BOM line."},{"question":"What is the depth of 3RV1021-1DA10?","answer":"The 3RV1021-1DA10 has a depth of 96 mm, a width of 45 mm, and a height of 97 mm — a compact DIN-rail footprint that leaves zero clearance needed at the back or sides."},{"question":"What wire sizes does the 3RV1021-1DA10 accept?","answer":"The screw terminals on the main circuit accept 2× (1…2.5 mm²) or 2× (2.5…6 mm²) solid or stranded wire, and 2× AWG 14–10 for the main contacts. Auxiliary and control circuit terminals use the same screw-type design with the same wire ranges."},{"question":"Will 3RV1021-1DA10 drop into a panel specified around 3RV1011-0HA10?","answer":"Both are SIRIUS motor protection breakers with the same 45 mm width and DIN-rail snap-on mounting, so the mechanical fit is the same. The 3RV1021-1DA10 carries a higher 3.2 A rating and 100 kA breaking capacity at 400 V versus the 3RV1011-0HA10's lower ratings — check your motor FLA and available fault current before swapping without recalculating coordination."},{"question":"What compliance documentation does Siemens provide for 3RV1021-1DA10?","answer":"RoHS compliance is confirmed with a substance prohibition date of 01.05.2012. The breaker carries IP20 front protection and is designed for 35 mm DIN rail per DIN EN 50022. For full UL, IEC, and REACH documentation, the manufacturer's standard compliance pack applies to this SIRIUS series device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-1DA10","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/3RV1021-1DA10 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}}