{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV2431-4SA10","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV2431-4SA10","canonicalUrl":"https://aoctrl.com/siemens/3RV2431-4SA10","factsUrl":"https://aoctrl.com/api/mcp/products/3RV2431-4SA10","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RV2431-4SA10 circuit breaker, transformer protection design, 55 mm width, Trip Class 10, 100 kA breaking capacity at 240 VAC, screw terminals, DIN rail mount.","salesMarkdown":"## Transformer-protection circuit breaker from the SIRIUS family The Siemens 3RV2431-4SA10 is a SIRIUS-brand circuit breaker specifically designed for transformer protection, with a Trip Class 10 characteristic and phase failure detection built in. It mounts on 35 mm DIN rail per DIN EN 60715 via screw or snap-on fastening, and accepts screw-type terminals for the main current circuit — up to 2x 25 mm² or 1x 35 mm² solid or stranded. Breaking capacity is rated 100 kA at 240 VAC, 65 kA at 400 VAC, 6 kA at 500 VAC, and 3 kA at 690 VAC. Motor horsepower ratings span 1.5 hp at 110/120 V up to 15 hp at 575/600 V. Phase failure detection is integrated, so a lost phase on the supply side will trip the breaker rather than letting the transformer or motor single-phase and overheat. At 400 VAC the rating drops to 65 kA, still sufficient for most industrial panel feeds. The 3 kA at 690 VAC covers the high-voltage end for special transformer primaries.","metaTitle":"Siemens 3RV2431-4SA10 SIRIUS Circuit Breaker, Transformer Pr","metaDescription":"Siemens SIRIUS 3RV2431-4SA10 circuit breaker for transformer protection. Trip Class 10, 100 kA breaking at 240 VAC, phase failure detection. DIN rail mount. Current lifecycle stage","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"149 mm","Width":"55 mm","title":"3RV2431-4SA10","Height":"140 mm","Upwards":"50 mm","Forwards":"0 mm","Backwards":"0 mm","Downwards":"50 mm","Trip Class":"CLASS 10","At The Side":"10 mm","Rated Value":"20 ... 690 V","description":"Circuit breaker size S2 for transformer protection A-release 9.5...14 A N-release 328 A screw terminal Standard switching capacity","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":"M6","Mounting Position":"any","Solid Or Stranded":"2x (1 ... 25 mm²), 1x (1 ... 35 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Circuit breaker","at 230 V rated value":"3 hp","at 240 V rated value":"100 kA","at 400 V rated value":"30 kA","at 480 V rated value":"14 A","at 500 V rated value":"6 kA","at 600 V rated value":"14 A","at 690 V rated value":"3 kA","Design Of The Product":"For transformer protection","Ground Fault Detection":"No","Phase Failure Detection":"Yes","For Main Current Circuit":"screw-type terminals","at 110/120 V rated value":"1.5 hp","at 200/208 V rated value":"5 hp","at 220/230 V rated value":"5 hp","at 460/480 V rated value":"10 hp","at 575/600 V rated value":"15 hp","at AC at 240 V rated value":"100 kA","at AC at 400 V rated value":"65 kA","at AC at 500 V rated value":"12 kA","at AC at 690 V rated value":"5 kA","Design Of Screwdriver Shaft":"Diameter 5 to 6 mm","Size Of The Circuit-Breaker":"S2","Size Of The Screwdriver Tip":"Pozidriv size 2","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"50 000","at AC in hot operating state":"12.5 W","at AC-3 at 400 V rated value":"14 A","at AC-3e rated value maximum":"690 V","Of Auxiliary Contacts Typical":"50 000","Substance Prohibitance (Date)":"10/15/2014","at AC-3e at 400 V rated value":"14 A","Design Of The Overload Release":"thermal","Operating Frequency Rated Value":"50 ... 60 Hz","Operational Current Rated Value":"14 A","at AWG cables for main contacts":"2x (18 ... 3), 1x (18 ... 2)","Design Of The Short-Circuit Trip":"magnetic","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":"4.2 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 ... 16 mm²), 1x (1 ... 25 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":"3 ... 4.5 N·m","with high demand rate according to SN 31920":"50 %","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 Sinus","Electrical Endurance (Operating Cycles) Typical":"50 000","Size Of Contactor Can Be Combined Company-Specific":"S2","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":"328 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":"9.5 ... 14 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e2be6a03c3ce28740087256b3b04a84c.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=312949&mlfb=3RV2431-4SA10"},"ai":{"faq":[{"question":"What is 3RV2431-4SA10's listed depth (149 mm) on this component line?","answer":"The depth is 149 mm, with 50 mm clearance required above and below, 10 mm to the side, and zero forward or backward clearance."},{"question":"What is 3RV2431-4SA10's listed width (55 mm) on this component line?","answer":"The width is 55 mm, fitting a standard DIN-rail footprint with screw or snap-on mounting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV2431-4SA10","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/3RV2431-4SA10 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}