{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-1KA15-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-1KA15-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-1KA15-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1KA15-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-1KA15-ZX95, 12.5 A continuous, CLASS 10 trip, 100 kA breaking at 400 V AC, screw terminals, snap-on 35 mm DIN rail.","salesMarkdown":"## Motor protection circuit breaker — 12.5 A, CLASS 10, 100 kA The Siemens SIRIUS 3RV1021-1KA15-ZX95 is a motor protection circuit breaker rated for 12.5 A continuous current and 5.5 kW motor load at 400 V. Width is 45 mm, height 97 mm, depth 96 mm. Screw terminals on the main circuit; solid wire accepts 2× (0.5…1.5 mm²) and 2× (0.75…2.5 mm²), stranded takes 2× (1…2.5 mm²) and 2× (2.5…6 mm²). Mounting position any, so vertical or horizontal rail works.","metaTitle":"Siemens 3RV1021-1KA15-ZX95 SIRIUS Motor Circuit Breaker, 12.","metaDescription":"Siemens SIRIUS 3RV1021-1KA15-ZX95 motor protection circuit breaker, 12.5 A continuous, CLASS 10 trip, 100 kA breaking at 400 V. Current production. Sourced to order against RFQ.","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 (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Width":"45 mm","Height":"97 mm","Maximum":"2 000 m","at 24 V":"1 A","at 60 V":"0.15 A","Stranded":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","at 230 V":"0.5 A","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":"5.5 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":"42 kA","at AC at 690 V rated value":"6 kA","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"100 000","at AC in hot operating state":"9.25 W","Continuous current rated value":"12.5 A","Design of the auxiliary switch":"transverse","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":"3.1 W","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (18 ... 14)","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":"9 ... 12.5 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=395432&mlfb=3RV1021-1KA15-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1KA15-ZX95/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RV1021-1KA15-ZX95 and how do I get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for quote; availability and current pricing are confirmed at quote time."},{"question":"What is 3RV1021-1KA15-ZX95's listed depth?","answer":"The depth is 96 mm. That dimension governs enclosure clearance behind the DIN rail."},{"question":"What wire sizes does the 3RV1021-1KA15-ZX95 accept on the main terminals?","answer":"Solid wire: 2× (0.5…1.5 mm²) and 2× (0.75…2.5 mm²). Stranded: 2× (1…2.5 mm²) and 2× (2.5…6 mm²). Terminals are screw-type."},{"question":"What compliance documentation does Siemens provide for 3RV1021-1KA15-ZX95?","answer":"As a SIRIUS motor protection circuit breaker, this part typically carries CE, UL, CSA, and CCC approvals per Siemens standard practice. RoHS and REACH declarations are available from Siemens documentation. Specific cert numbers should be confirmed against the nameplate at receipt."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-1KA15-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/3RV1021-1KA15-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}}