{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2450-7HK32-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2450-7HK32-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA2450-7HK32-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7HK32-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2450-7HK32-0AA0, molded case circuit breaker, 3-pole, 500 A, ETU340 electronic trip unit, line protection, 330 kA at 240 V.","salesMarkdown":"The Siemens SENTRON 3VA2450-7HK32-0AA0 is a 3-pole molded case circuit breaker rated for 500 A continuous current at 40 °C, with the ETU340 electronic trip unit handling adjustable overload and short-circuit protection for line protection duty. Breaking capacity hits 330 kA at 240 V AC, stepping down to 242 kA at 415 V and 440 V, 187 kA at 500 V, and 13 kA at 690 V — numbers that define where this breaker can sit in a high-fault distribution panel without cascading upstream. At 110 mm deep, 138 mm wide, and 248 mm tall, this breaker fits standard SENTRON 3VA mounting footprints — the depth matters when you're swapping into an existing panel with limited gutter space. ## Thermal derating and trip unit The 500 A rating holds flat from 40 °C through 50 °C, then derates gradually: 495 A at 55 °C, 490 A at 60 °C, 485 A at 65 °C, and 480 A at 70 °C.","metaTitle":"Siemens 3VA2450-7HK32-0AA0 SENTRON MCCB, 500 A, 3-Pole, ETU3","metaDescription":"Siemens SENTRON 3VA2450-7HK32-0AA0 molded case circuit breaker, 500 A continuous, 3-pole, ETU340 electronic trip unit. Breaking capacity 330 kA at 240 V. Current lifecycle. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"138 mm","Height":"248 mm","at 240 V":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 kA","at 690 V":"13 kA","at 40 °C":"500 A","at 45 °C":"500 A","at 50 °C":"500 A","at 55 °C":"495 A","at 60 °C":"490 A","at 65 °C":"485 A","at 70 °C":"480 A","Depth [In]":"4.3 in","Width [In]":"5.4 in","Height [In]":"9.8 in","Limited To 1 S":"6 kA","Number Of Poles":"3","Product version":"Line protection","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"99 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Courant permanent assigné Iu":"500 A","Ground-Fault Monitoring Version":"Without","Tension assignée d'isolement Ui":"800 V","Design Of The Overcurrent Release":"ETU340","protection class IP / on the front":"IP40","reference code / acc. to IEC 81346-2":"Q","at AC / limited to 0.5 s / rated value":"6 kA","Product Extension / Optional / Motor Drive":"Yes","Adjustable response value current / lg min.":"600","Adjustable response value current / li max.":"7 000 A","Adjustable response value current / li min.":"7 000 A","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"ELISA LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"C","Max. rated operational current of the frame size":"500 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Mechanical Service Life (Switching Cycles) / Typical":"15 000","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"35 x 10 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"20 x 1 mm"}},"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=568781&mlfb=3VA2450-7HK32-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7HK32-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the physical size of 3VA2450-7HK32-0AA0?","answer":"The breaker measures 110 mm deep, 138 mm wide, and 248 mm tall. Depth is the critical dimension for panel gutter clearance during retrofit."},{"question":"Does this breaker support a motor drive for remote operation?","answer":"Yes, the product extension supports an optional motor drive — listed as available, not included. That lets you add remote open/close capability without changing the breaker frame."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2450-7HK32-0AA0","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/3VA2450-7HK32-0AA0 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}}