{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV2021-0JA10-ZW97","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV2021-0JA10-ZW97","canonicalUrl":"https://aoctrl.com/siemens/3RV2021-0JA10-ZW97","factsUrl":"https://aoctrl.com/api/mcp/products/3RV2021-0JA10-ZW97","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV2021-0JA10-ZW97, Size S0, Trip Class 10, 100 kA breaking capacity at 400 V AC, screw and snap-on DIN rail mounting.","salesMarkdown":"## Motor protection circuit breaker, Size S0, Class 10 The Size S0 frame is the compact footprint for motor ratings up to around 15 kW — 45 mm wide, 97 mm deep, 97 mm tall. Any mounting position is permitted, which helps when fitting into tight panel layouts. The main circuit terminals accept 2x 1–2.5 mm² or 2x 2.5–10 mm² solid or stranded copper, terminated with M4 screws.","metaTitle":"Siemens 3RV2021-0JA10-ZW97 SIRIUS Motor Protection Circuit B","metaDescription":"Siemens SIRIUS 3RV2021-0JA10-ZW97 motor protection circuit breaker, Size S0, Trip Class 10, 100 kA breaking capacity at 400 V. Phase failure detection, screw and snap-on DIN rail m","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"97 mm","Width":"45 mm","Height":"97 mm","Upwards":"50 mm","Forwards":"0 mm","Backwards":"0 mm","Downwards":"50 mm","Trip Class":"CLASS 10","At The Side":"30 mm","Rated Value":"20 ... 690 V","During Storage":"-50 ... +80 °C","at AC-3 maximum":"15 1/h","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715","at AC-3e maximum":"15 1/h","For Main Contacts":"M4","Mounting Position":"any","Solid Or Stranded":"2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Circuit breaker","at 230 V rated value":"0.2 kW","at 240 V rated value":"100 kA","at 400 V rated value":"100 kA","at 480 V rated value":"1 A","at 500 V rated value":"100 kA","at 600 V rated value":"1 A","at 690 V rated value":"100 kA","Design Of The Product":"For motor protection","Ground Fault Detection":"No","Phase Failure Detection":"Yes","For Main Current Circuit":"screw-type terminals","at 575/600 V rated value":"0.5 hp","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","Design Of Screwdriver Shaft":"Diameter 5 to 6 mm","Size Of The Circuit-Breaker":"S0","Size Of The Screwdriver Tip":"Pozidriv size 2","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"100 000","at AC in hot operating state":"7.25 W","at AC-3 at 400 V rated value":"1 A","at AC-3e rated value maximum":"690 V","Of Auxiliary Contacts Typical":"100 000","Substance Prohibitance (Date)":"10/01/2009","at AC-3e at 400 V rated value":"1 A","Design Of The Overload Release":"thermal","Operating Frequency Rated Value":"50 ... 60 Hz","Operational Current Rated Value":"1 A","Design Of The Short-Circuit Trip":"magnetic","for AWG cables for main contacts":"2x (16 ... 12), 2x (14 ... 8)","Product Extension Auxiliary Switch":"Yes","Relative Humidity During Operation":"10 ... 95 %","Display Version For Switching Status":"Handle","Surge Voltage Resistance Rated Value":"6 kV","at AC in hot operating state per pole":"2.4 W","With Side-By-Side Mounting At The Side":"0 mm","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²","Number Of Poles For Main Current Circuit":"3","Product Function Short Circuit Protection":"Yes","with low demand rate according to SN 31920":"50 FIT","For Main Contacts With Screw-Type Terminals":"2 ... 2.5 N·m","with high demand rate according to SN 31920":"50 %","number of CO contacts for auxiliary contacts":"0","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"0","shock resistance according to IEC 60068-2-27":"25g / 11 ms","Electrical Endurance (Operating Cycles) Typical":"100 000","Size Of Contactor Can Be Combined Company-Specific":"S00, S0","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Arrangement Of Electrical Connectors For Main Current Circuit":"Top and bottom","Response Value Current Of Instantaneous Short-Circuit Trip Unit":"13 A","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"0.7 ... 1 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/69e3aae776a3a972c11948ccacc118a3.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=685477&mlfb=3RV2021-0JA10-ZW97","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV2021-0JA10-ZW97/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3RV2021-0JA10-ZW97?","answer":"The breaking capacity is 100 kA at 240 V, 400 V, 500 V, and 690 V AC. This high interrupting rating allows the breaker to clear severe faults without upstream protection, simplifying selective coordination in the panel."},{"question":"Where can I buy 3RV2021-0JA10-ZW97 and get current pricing?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"Will 3RV2021-0JA10-ZW97 drop into a panel specified around 3RV2011-0AA10?","answer":"Both are Size S0 motor protection circuit breakers from the same SIRIUS family, sharing the same 45 mm width and DIN-rail mounting. The 3RV2021-0JA10-ZW97 offers higher breaking capacity (100 kA vs lower ratings on the 3RV2011 variants) and includes phase failure detection. The terminal layout and footprint are identical, so no rewiring is needed for a direct swap."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV2021-0JA10-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/3RV2021-0JA10-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}}