{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2450-7MN32-0JH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2450-7MN32-0JH0","canonicalUrl":"https://aoctrl.com/siemens/3VA2450-7MN32-0JH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7MN32-0JH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2 series, molded case circuit breaker, 3VA2450-7MN32-0JH0, 500 A rated current at 40 °C, 3-pole, motor protection design, breaking capacity 330 kA at 240 V AC.","salesMarkdown":"## Rated Current and Breaking Capacity The Siemens 3VA2450-7MN32-0JH0 is a SENTRON molded case circuit breaker (MCCB) rated for 500 A continuous at 40 °C ambient, with no derating needed up to 50 °C — the full 500 A holds across that band. Above 50 °C the rating steps down linearly: 495 A at 55 °C, 490 A at 60 °C, 485 A at 65 °C, and 480 A at 70 °C. The interrupting capacity is 330 kA at 240 V AC, dropping to 242 kA at 415 V and 440 V, 187 kA at 500 V, and 15.3 kA at 690 V. ## Motor Protection Design and Auxiliary Functions This MCCB is specifically designed for motor protection, with phase failure detection built in — it trips on loss of any phase, preventing single-phasing damage to the motor windings. ## Physical Dimensions and Installation The 3VA2450-7MN32-0JH0 measures 248 mm high, 138 mm wide, and 110 mm deep — a 3-pole frame that fits standard SENTRON panel cutouts. The depth of 110 mm (4.33 in) is the dimension to watch when planning gland-plate clearance or enclosure depth. Mounting is via the standard MCCB bolt-on or plug-in base; no DIN-rail adapter is used for this frame size. ## Environmental and Electrical Ratings Maximum power dissipation is 99 W at rated load — account for that heat in the enclosure thermal budget. The short-time withstand rating is limited to 6 kA for 1 second (the Icw figure for this frame).","metaTitle":"Siemens 3VA2450-7MN32-0JH0 SENTRON MCCB, 500 A, 3-Pole, Moto","metaDescription":"Siemens 3VA2450-7MN32-0JH0 SENTRON molded case circuit breaker. 500 A rated at 40 °C, 330 kA breaking at 240 V. Motor protection design with shunt trip and phase failure detection.","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":"330 kA","at 415 V":"242 kA","at 440 V":"242 kA","at 500 V":"187 kA","at 690 V":"15.3 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":"3VA2450-7MN32-0AA0","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":"3VA9688-0BL32","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":"C","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=570167&mlfb=3VA2450-7MN32-0JH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7MN32-0JH0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA2450-7MN32-0JH0 and how do I get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for quote (RFQ) to confirm availability and current pricing."},{"question":"What is the breaking capacity of 3VA2450-7MN32-0JH0 at 240 V?","answer":"The interrupting rating is 330 kA at 240 V AC."},{"question":"Does 3VA2450-7MN32-0JH0 include phase failure detection?","answer":"Yes, phase failure detection is built into this motor-protection MCCB."},{"question":"What auxiliary switches are fitted on 3VA2450-7MN32-0JH0?","answer":"The breaker ships with 2 auxiliary switches plus 1 trip alarm switch (HQ type), and a shunt trip release (STL)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2450-7MN32-0JH0","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/3VA2450-7MN32-0JH0 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}}