{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-1CA15-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-1CA15-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-1CA15-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1CA15-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-1CA15-ZX95, 2.5 A continuous rated current, 0.75 kW at 400 V, Trip Class 10, screw-type terminals, IP20 front.","salesMarkdown":"## Motor protection circuit breaker, 2.5 A, Trip Class 10 The Siemens 3RV1021-1CA15-ZX95 is a SIRIUS motor protection circuit breaker rated for 2.5 A continuous current and 0.75 kW at 400 V AC-3 duty, with a Trip Class 10 thermal overload curve. It's designed for motor protection in control panels, with screw-type terminals for main and auxiliary circuits. Breaking capacity reaches 100 kA at 240 V, 400 V, and 500 V AC, dropping to 8 kA at 690 V AC. The 8 kA at 690 V still covers most motor branch circuits at that voltage level. This part carries a current production lifecycle status. The RoHS compliance date is 01.05.2012, meaning it meets the EU RoHS directive for substances of concern. Main circuit terminals accept solid conductors 2x (0.5...1.5 mm²) and 2x (0.75...2.5 mm²), or stranded 2x (1...2.5 mm²) and 2x (2.5...6 mm²). Auxiliary and control circuit terminals are also screw-type. The auxiliary switch is transverse design and field-installable. ## Environmental and operational limits Shock resistance is 25 g for 11 ms. The unit has phase failure detection but no ground fault detection. Power dissipation in hot operating state is 7.25 W at rated current.","metaTitle":"Siemens 3RV1021-1CA15-ZX95 SIRIUS Motor Protection Circuit B","metaDescription":"Siemens 3RV1021-1CA15-ZX95 SIRIUS motor protection circuit breaker, 2.5 A continuous, 0.75 kW at 400 V, Trip Class 10. Current production. Screw terminals. Quoted to order against","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=249250&mlfb=3RV1021-1CA15-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1CA15-ZX95/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RV1021-1CA15-ZX95 and get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing — confirmed at quote time."},{"question":"What is the breaking capacity of 3RV1021-1CA15-ZX95 at 400 V?","answer":"100 kA at 400 V AC, which is the same rating at 240 V and 500 V. At 690 V it drops to 8 kA."},{"question":"What wire sizes does the 3RV1021-1CA15-ZX95 accept?","answer":"Main terminals accept solid 2x (0.5...1.5 mm²) and 2x (0.75...2.5 mm²), or stranded 2x (1...2.5 mm²) and 2x (2.5...6 mm²). AWG equivalents for main contacts are 2x (14...10)."},{"question":"Does 3RV1021-1CA15-ZX95 have phase failure protection?","answer":"Yes, it includes phase failure detection. It does not include ground fault detection."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-1CA15-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/3RV1021-1CA15-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}}