{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-0EA10-0FJ0-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-0EA10-0FJ0-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-0EA10-0FJ0-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-0EA10-0FJ0-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-0EA10-0FJ0-ZX95, 0.4 A rated continuous current, CLASS 10 trip class, 100 kA breaking capacity at 400 V AC, screw-type terminals, DIN rail mount.","salesMarkdown":"## Motor protection circuit breaker for 0.4 A loads ## Phase failure detection and trip class Built-in phase failure detection protects the motor against single-phasing — a leading cause of winding burnout in delta-connected loads. The CLASS 10 trip class is the standard for general-purpose squirrel-cage motors; it allows the inrush transient to pass while still clearing a sustained overload before the motor insulation reaches its thermal limit. The 0.09 kW power rating at 400 V confirms the motor size this breaker is designed to protect. The 45 mm width occupies a single modular unit, leaving room for a contactor and overload relay in the same row. Front face carries IP20 protection — safe for finger-probe access inside an enclosure.","metaTitle":"Siemens 3RV1021-0EA10-0FJ0-ZX95 SIRIUS Motor Protection Circ","metaDescription":"Siemens 3RV1021-0EA10-0FJ0-ZX95 SIRIUS motor protection circuit breaker, 0.4 A rated current, CLASS 10 trip, 100 kA breaking capacity at 400 V AC. Phase failure detection, DIN rail","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","Maximum":"2 000 m","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","On The Front":"IP20","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","During Storage":"-50 ... +80 °C","at AC-3 maximum":"15 1/h","lifecycle_stage":"current","Auxiliary switch":"Yes","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Shock resistance":"25g / 11 ms","Mounting position":"any","Product brand name":"SIRIUS","Product designation":"circuit breaker","at 400 V rated value":"0.09 kW","Design of the product":"for motor protection","For Auxiliary Contacts":"0","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":"100 kA","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"100 000","at AC in hot operating state":"5.5 W","Continuous current rated value":"0.4 A","at AWG conductors for main contacts":"2x (14 ... 10)","Surge voltage resistance rated value":"6 000 V","at AC in hot operating state per pole":"1.8 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","For Auxiliary And Control Current Circuit":"screw-type terminals","Removable Terminal For Auxiliary And Control Circuit":"No","Design of the overcurrent release and short-circuit release":"thermomagnetic","Arrangement of electrical connectors for main current circuit":"front side","Adjustable pick-up value current of the current-dependent overload release":"0.28 ... 0.4 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=281333&mlfb=3RV1021-0EA10-0FJ0-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-0EA10-0FJ0-ZX95/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this circuit breaker?","answer":"The 3RV1021-0EA10-0FJ0-ZX95 has a breaking capacity of 100 kA at 400 V AC, 100 kA at 500 V AC, and 100 kA at 690 V AC."},{"question":"Where can I buy 3RV1021-0EA10-0FJ0-ZX95?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock or lead-time figures are published here."},{"question":"Will 3RV1021-0EA10-0FJ0-ZX95 drop into a panel specified around 3RV1011-0GA10?","answer":"Both are SIRIUS motor protection circuit breakers with the same 45 mm width and DIN-rail mounting, so the footprint is identical. The key difference is the rated current: this unit is 0.4 A, while the 3RV1011-0GA10 carries a different current rating. Verify the motor FLA before substituting — the terminals and trip class are compatible."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-0EA10-0FJ0-ZX95","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/3RV1021-0EA10-0FJ0-ZX95 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}}