{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-1CA15-ZW97","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-1CA15-ZW97","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-1CA15-ZW97","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1CA15-ZW97","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-1CA15-ZW97, 2.5 A continuous rated current, Class 10 trip, 100 kA breaking capacity at 400 V AC, screw terminals, IP20 front.","salesMarkdown":"The Siemens 3RV1021-1CA15-ZW97 is a SIRIUS motor protection circuit breaker designed for motor protection, rated at 2.5 A continuous current with a Class 10 trip characteristic. The unit mounts via screw or snap-on onto a 35 mm DIN rail per DIN EN 50022, and the front face carries an IP20 protection rating. The 2.5 A continuous current rating sets the motor full-load current the breaker protects — size it to the motor nameplate FLA, not the supply capacity. The Class 10 trip curve means the thermal overload releases within 10 seconds at 7.2× rated current, which is standard for standard induction motor starting (avoids nuisance tripping on start-up inrush). The 100 kA breaking capacity at 400 V AC (and also at 240 V and 500 V) means this breaker can safely interrupt fault currents up to that level without upstream devices needing to clear the fault — critical for high-SCCR panel designs. The 45 mm width and 97 mm height fit a standard modular enclosure grid; depth is 96 mm, so account for that behind the panel door. Screw terminals on both main and auxiliary circuits: solid conductors 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). AWG for main contacts: 2× (14…10). The auxiliary switch is transverse design and field-addable. Operating frequency in AC-3 duty is 15 cycles per hour maximum — fine for intermittent motor starts, not for continuous jogging.","metaTitle":"Siemens 3RV1021-1CA15-ZW97 SIRIUS Motor Protection Circuit B","metaDescription":"Siemens 3RV1021-1CA15-ZW97 SIRIUS motor protection circuit breaker, 2.5 A continuous, Class 10 trip, 100 kA breaking capacity at 400 V AC. Phase failure detection, IP20 front. Avai","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","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","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":"0.75 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","Continuous Current Rated Value":"2.5 A","Design Of The Auxiliary Switch":"transverse","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 AWG cables for auxiliary contacts":"2x (18 ... 14)","at AC in hot operating state per pole":"2.4 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","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":"2.5 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":"1.8 ... 2.5 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=6529&mlfb=3RV1021-1CA15-ZW97","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1CA15-ZW97/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RV1021-1CA15-ZW97?","answer":"We source and quote this part to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the closest functional second-source to 3RV1021-1CA15-ZW97?","answer":"The 3RV2021-1FA15 is a peer in the same SIRIUS family, but it carries a different continuous current rating and trip class — verify your motor FLA and coordination study before substituting. It shares the same DIN-rail footprint and terminal style, so panel rewiring is minimal if the ratings align."},{"question":"What compliance documentation does 3RV1021-1CA15-ZW97 carry?","answer":"The part is RoHS-compliant per the substance prohibition date of 01.05.2012. It carries IP20 protection on the front and is designed for use in IEC 60947-2 / UL 489 circuits. The manufacturer provides a CE declaration and typically supports UL/CSA listings for the SIRIUS series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-1CA15-ZW97","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/3RV1021-1CA15-ZW97 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}}