{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2450-7MN32-0DL0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2450-7MN32-0DL0","canonicalUrl":"https://aoctrl.com/siemens/3VA2450-7MN32-0DL0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7MN32-0DL0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2450-7MN32-0DL0, molded case circuit breaker, 3-pole, 500 A, motor protection design, 330 kA at 240 V breaking capacity.","salesMarkdown":"## Motor protection breaker for tough environments It holds its full 500 A rating from 40 °C up to 50 °C, then derates gradually to 480 A at 70 °C — so it's happy in a warm panel next to a drive or transformer without tripping early. It includes phase failure detection and an undervoltage release, so it's ready for a safety circuit that needs to drop the motor if control power disappears. The 500 A continuous rating is the current it carries without tripping under normal load — sized for a large motor or a group of smaller motors fed from one breaker. The breaking capacity figures tell you the maximum fault current it can safely interrupt at each voltage level: 330 kA at 240 V is typical for a high-capacity service entrance, while 15.3 kA at 690 V is enough for downstream distribution in 690 V systems. The 3-pole design means it switches all three phases simultaneously, which is what you need for a three-phase motor circuit. The motor protection design means the trip curve is shaped to handle motor inrush without nuisance tripping, and the integrated phase failure detection catches a lost phase before it cooks the windings. The undervoltage release drops the breaker if control voltage falls below a threshold — common in safety circuits that need to kill power on a loss of control power.","metaTitle":"Siemens 3VA2450-7MN32-0DL0 SENTRON MCCB, 500 A, 3-Pole, Moto","metaDescription":"Siemens SENTRON 3VA2450-7MN32-0DL0 molded case circuit breaker, 500 A rated, 3-pole, motor protection design with phase failure detection and undervoltage release. Breaking capacit","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":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","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":"101.5 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 + 1 electrical alarm switch HQ","Design Of The Auxiliary Release":"undervoltage release (UVR)","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":"3VA9608-0BB25","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":"4","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB22","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=570160&mlfb=3VA2450-7MN32-0DL0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2450-7MN32-0DL0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA2450-7MN32-0DL0?","answer":"Breaking capacity is 330 kA at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 15.3 kA at 690 V."},{"question":"What is the continuous current rating of this MCCB?","answer":"It is rated 500 A continuous from 40 °C to 50 °C, derating to 480 A at 70 °C."},{"question":"Where can I buy 3VA2450-7MN32-0DL0 and how is it quoted?","answer":"This part is sourced through independent distribution channels and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2450-7MN32-0DL0","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/3VA2450-7MN32-0DL0 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}}