{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2450-5MN32-0HH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2450-5MN32-0HH0","canonicalUrl":"https://aoctrl.com/siemens/3VA2450-5MN32-0HH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2450-5MN32-0HH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2450-5MN32-0HH0, molded case circuit breaker, 3-pole, motor protection design, 500 A at 40 °C, breaking capacity 187 kA at 240 V.","salesMarkdown":"Rated 500 A continuously at 40 °C ambient, it derates predictably: still 500 A at 50 °C, then 495 A at 55 °C, 490 A at 60 °C, 485 A at 65 °C, and 480 A at 70 °C. That derating curve is what you use for panel internal temperature rise calculations — the breaker doesn't lose much headroom until you push past 55 °C. Breaking capacity is 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 9 kA at 690 V. ## Trip characteristics and auxiliary fit The short-time delay band is adjustable between 4 s minimum and 13 s maximum — that's the intentional delay for selectivity with downstream breakers. For motor starting, you'd set it long enough to ride through the start current without cascading upstream. That means you have remote tripping capability and two separate signal contacts plus a dedicated alarm contact for the trip event — enough for a standard motor control center (MCC) bucket without adding external relays. Power loss at full rated current is 99 W maximum — a figure to include in your panel thermal budget, especially if multiple breakers are ganged in a small enclosure.","metaTitle":"Siemens 3VA2450-5MN32-0HH0 SENTRON MCCB, 500 A, 3-Pole, Moto","metaDescription":"Siemens SENTRON 3VA2450-5MN32-0HH0 molded case circuit breaker, 500 A rated at 40 °C, 3-pole, motor protection design. Breaking capacity 187 kA at 240 V. Active production. Sourced","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"138 mm","Height":"248 mm","Maximum":"13 s","Minimum":"4 s","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 kA","at 690 V":"9 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]":"4.33 in","Width [In]":"5.43 in","Height [In]":"9.76 in","Limited To 1 S":"6 kA","Trip Indicator":"Yes","Number Of Poles":"3","Voltage Trigger":"Yes","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Motor protection","Communication Function":"No","Phase Failure Detection":"Yes","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","Of The Supplied Basic Switch":"3VA2450-5MN32-0AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch HQ","Design Of The Auxiliary Release":"shunt trip (STL)","Ground-Fault Monitoring Version":"Without","Continuous Current / Rated Value":"500 A","Insulation Voltage / Rated Value":"800 V","adjustable trip class (Tc CLASS)":"10A, 10E, 20E","Design Of The Overcurrent Release":"ETU350M","protection class IP / on the front":"IP40","operating power / at AC-3 / at 230 V":"110 000 W","operating power / at AC-3 / at 400 V":"200 000 W","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL30","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","reference code / according to IEC 81346-2":"Q","Continuous Current / Rated Value / Maximum":"630 A","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LSI","number of CO contacts / for auxiliary contacts":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"on both sides nut keeper kit","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"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=570131&mlfb=3VA2450-5MN32-0HH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2450-5MN32-0HH0/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does this brand provide for 3VA2450-5MN32-0HH0?","answer":"As a standard Siemens SENTRON catalog item, it carries CE marking for the European market and is UL/CSA listed for North America. RoHS and REACH declarations are available from Siemens documentation portals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2450-5MN32-0HH0","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/3VA2450-5MN32-0HH0 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}}