{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1032-4ED42-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1032-4ED42-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1032-4ED42-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1032-4ED42-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1032-4ED42-0AA0, molded case circuit breaker, 4-pole, 32 A, TM210 thermal-magnetic release, 70 mm depth, 101.6 mm width, 130 mm height.","salesMarkdown":"The TM210 release combines a thermal bimetal for overload protection and a magnetic coil for short-circuit protection — the '210' designates the fixed magnetic trip threshold at 10× In (320 A, adjustable down to 320 A as the li max setting). This part is line-protection version (no ground-fault monitoring, no N-conductor protection, no communication function). ## Breaking capacity — the real-world fault current limits At 240 V it breaks 121 kA — a very high rating for a 32 A frame, suitable for large transformer secondaries or bus-duct feeds. At 415 V it still handles 75.6 kA; at 440 V it drops to 52.5 kA; at 500 V and 690 V it holds at 11.9 kA. For a 400 V distribution board with a 50 kA prospective fault, this breaker has headroom. ## Thermal derating — how hot can the panel run? At 55 °C it derates to 31 A, at 60 °C to 31 A, at 65 °C to 30 A, and at 70 °C to 30 A. That is a shallow derating curve — only 2 A lost from 45 °C to 70 °C — which means the thermal element is well-sunk into the frame. If the panel ambient stays under 50 °C, you get full 32 A. The 3VA1032-4ED42-0AA0 measures 70 mm deep, 101.6 mm wide, and 130 mm tall. The 101.6 mm width (4 inches) for a 4-pole breaker is compact; expect a 4-module-wide cutout on a DIN-rail adapter plate. Front IP40 rating means tools and fingers are safe, but not hose-down. ## Electrical ratings and power loss In a sealed panel with multiple breakers, that heat adds up; plan ventilation if the total dissipation exceeds the cabinet's natural convection capacity.","metaTitle":"Siemens 3VA1032-4ED42-0AA0 SENTRON MCCB, 32 A, 4-Pole, 70 mm","metaDescription":"Siemens SENTRON 3VA1032-4ED42-0AA0 molded case circuit breaker, 32 A rated, 4-pole, TM210 release. Breaking capacity 121 kA at 240 V. Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"101.6 mm","Height":"130 mm","at 240 V":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 500 V":"11.9 kA","at 690 V":"11.9 kA","at 45 °C":"32 A","at 50 °C":"32 A","at 55 °C":"31 A","at 60 °C":"31 A","at 65 °C":"30 A","at 70 °C":"30 A","Depth [In]":"2.76 in","Width [In]":"4 in","Height [In]":"5.12 in","Number Of Poles":"4","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":"10.6 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Courant permanent assigné Iu":"32 A","Ground-Fault Monitoring Version":"Without","Tension assignée d'isolement Ui":"800 V","Design Of The Overcurrent Release":"TM210","Design Of Short-Circuit Protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","protection class IP / on the front":"IP40","design of the N-conductor protection":"Without","reference code / acc. to IEC 81346-2":"Q","Max. rated operational voltage Ue with DC":"600 V","Product Extension / Optional / Motor Drive":"No","Adjustable response value current / li max.":"320 A","Adjustable response value current / li min.":"320 A","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"0","Switching Capacity Class Of The Circuit Breaker":"S","Max. rated operational current of the frame size":"100 A","Mechanical Service Life (Operating Cycles) / Typical":"20 000","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"17 x 6.5 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 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=143392&mlfb=3VA1032-4ED42-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1032-4ED42-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA1032-4ED42-0AA0 at 415 V?","answer":"At 415 V the interrupting capacity is 75.6 kA. At 240 V it is 121 kA, at 440 V it is 52.5 kA, and at 500 V / 690 V it is 11.9 kA."},{"question":"What does the TM210 release designation mean?","answer":"TM210 is a thermal-magnetic release where the magnetic short-circuit pickup is fixed at 10× In (320 A for this 32 A breaker). The thermal element provides overload protection; the magnetic element handles short circuits. The adjustable li max is 320 A."},{"question":"How do I get current pricing and availability for 3VA1032-4ED42-0AA0?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ to confirm current pricing and availability at quote time."},{"question":"Will 3VA1032-4ED42-0AA0 drop into a panel specified around 3VA2025-8HN42-0AA0 without rewiring?","answer":"The 3VA1032-4ED42-0AA0 is a 32 A, 4-pole MCCB with a 70 mm depth, while the 3VA2025-8HN42-0AA0 is a different rating and frame. Panel fit depends on the cutout dimensions and busbar arrangement; the 70 mm depth is standard for the 3VA1 frame, but verify the mounting footprint against the existing panel layout before assuming a drop-in replacement."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1032-4ED42-0AA0","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/3VA1032-4ED42-0AA0 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}}