{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1580-5EF32-0AC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1580-5EF32-0AC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1580-5EF32-0AC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1580-5EF32-0AC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1580-5EF32-0AC0, molded case circuit breaker, 3-pole, 800 A rated current (40-50 °C), 187 kA breaking capacity at 240 V, TM240 release, line protection design.","salesMarkdown":"## What it is and what it does The Siemens 3VA1580-5EF32-0AC0 is a SENTRON molded case circuit breaker (MCCB) designed for line protection in distribution panels. It carries a continuous current rating of 800 A at ambient temperatures up to 50 °C, derating to 722 A at 70 °C — so in a warm enclosure you lose about 10% of the headroom. The TM240 thermal-magnetic release handles overload and short-circuit protection without external trip units. Breaking capacity is 187 kA at 240 V AC, 121 kA at 415/440 V, and 52.5 kA at 690 V — that's a high-interrupting rating for a 3-pole frame, meaning it can clear severe faults without upstream fuses in most low-voltage industrial feeds. ## Panel fit and integration The breaker measures 320 mm high, 210 mm wide, and 120 mm deep — a standard SENTRON 3VA frame size. It mounts on a DIN rail or directly to a backplate; the 3-pole block leaves room for auxiliary switches (2 HQ contacts included) and shunt trips if needed. Rated insulation voltage is 800 V, so it's comfortable on 690 V systems with margin. Power loss at full load is 240 W maximum — account for that heat in the enclosure sizing, especially if you're stacking multiple breakers in a sealed cabinet.","metaTitle":"Siemens 3VA1580-5EF32-0AC0 SENTRON MCCB, 800 A, 3-Pole, Line","metaDescription":"Siemens 3VA1580-5EF32-0AC0 SENTRON molded case circuit breaker, 800 A rated current at 40 °C, 187 kA breaking at 240 V. Current lifecycle stage. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"120 mm","Width":"210 mm","title":"3VA1580-5EF32-0AC0","Height":"320 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 kA","at 690 V":"52.5 kA","at 40 °C":"800 A","at 45 °C":"800 A","at 50 °C":"800 A","at 55 °C":"780 A","at 60 °C":"761 A","at 65 °C":"741 A","at 70 °C":"722 A","Depth [In]":"4.72 in","Width [In]":"8.27 in","Height [In]":"12.6 in","description":"circuit breaker 3VA1 IEC frame 1000 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection TM240, ATAM, In=800A overload protection Ir=560A...800A short-circuit protection Ii=5 x In nut keeper kit 2 auxiliary switches HQ","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"No","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"240 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA15805EF320AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"800 V","Design Of The Overcurrent Release":"TM240","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","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"750 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching Capacity Class Of The Circuit Breaker":"M","Mechanical Service Life (Operating Cycles) / Typical":"10 000","Type Of Electrical Connection / For Main Current Circuit":"nut keeper kit on both ends","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0ce7977805b8280afb8701b472881340.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=645553&mlfb=3VA1580-5EF32-0AC0"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3VA1580-5EF32-0AC0?","answer":"Submit an RFQ through this listing. The part is sourced to order via independent distribution; current pricing and stock levels are confirmed at quote time."},{"question":"What is 3VA1580-5EF32-0AC0's depth?","answer":"The depth is 120 mm (4.72 in)."},{"question":"What is 3VA1580-5EF32-0AC0's width?","answer":"The width is 210 mm (8.27 in)."},{"question":"Will 3VA1580-5EF32-0AC0 drop into a panel specified around 3VA1110-5ED36-0AC0 without rewiring?","answer":"No — the 3VA1580 is an 800 A frame (320x210x120 mm) with a TM240 release, while the 3VA1110 series is a smaller 100-160 A frame. The cutout dimensions, busbar spacing, and lug sizes differ; a panel designed for the 3VA1110 cannot physically accept the 3VA1580 without rework."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1580-5EF32-0AC0","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/3VA1580-5EF32-0AC0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}