{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1020-3ED32-0DA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1020-3ED32-0DA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1020-3ED32-0DA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1020-3ED32-0DA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1020-3ED32-0DA0, molded case circuit breaker, 3-pole, 20 A rated continuous current, TM210 overcurrent release, line protection, breaking capacity 75.6 kA at 240 V.","salesMarkdown":"## SENTRON 3VA1020-3ED32-0DA0 — 20 A MCCB with TM210 Release The Siemens 3VA1020-3ED32-0DA0 is a SENTRON molded case circuit breaker (MCCB) rated for 20 A continuous current at 40 °C, with a 3-pole configuration and a TM210 thermal-magnetic overcurrent release. The breaker carries a breaking capacity of 75.6 kA at 240 V and 52.5 kA at 415 V, which means it can safely interrupt fault currents up to those levels without upstream cascading — a critical spec for SCCR compliance in industrial control panels. At elevated panel temperatures, the rating derates: still 20 A at 50 °C, then 19.2 A at 55 °C, 18.8 A at 60 °C, 18.4 A at 65 °C, and 18 A at 70 °C. For a panel running at 60 °C, the effective continuous load limit is 18.8 A — not 20 A. The TM210 release provides thermal-magnetic protection with a fixed magnetic trip threshold, suitable for cable and busbar protection in line duty. Breaking capacity varies significantly by voltage: 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 7.5 kA at 690 V. At 415 V, the 52.5 kA rating covers most industrial distribution scenarios; at 690 V, the 7.5 kA limit means this breaker is not suitable for high-fault 690 V buswork without upstream current-limiting fuses. There is no integrated auxiliary contact, no communication function, no phase failure detection, and no ground fault monitoring. The 70 mm depth fits within typical 200 mm deep enclosures, leaving room for wiring and busbar connections behind the breaker. The IP40 front protection allows for flush mounting in a panel door with a cutout, provided the rear is enclosed.","metaTitle":"Siemens 3VA1020-3ED32-0DA0 SENTRON MCCB, 20 A, 3-Pole, Line","metaDescription":"Siemens 3VA1020-3ED32-0DA0 SENTRON MCCB, 20 A rated continuous current, 3-pole, line protection. Breaking capacity 75.6 kA at 240 V. TM210 release. Current lifecycle stage. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","at 240 V":"75.6 kA","at 415 V":"52.5 kA","at 440 V":"32 kA","at 690 V":"7.5 kA","at 40 °C":"20 A","at 45 °C":"20 A","at 50 °C":"20 A","at 55 °C":"19.2 A","at 60 °C":"18.8 A","at 65 °C":"18.4 A","at 70 °C":"18 A","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"No","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"Yes","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"20 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Undervoltage release (UVR)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9608-0BB25","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","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"No","Adjustable response value current / Ir max.":"20 A","Adjustable response value current / li max.":"320 A","Adjustable response value current / li min.":"320 A","Adjustable response value current / lr min.":"20 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LI","Switching capacity class of the circuit breaker":"N","Max. rated operational current of the frame size":"100 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"lug terminal","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","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 x 0"}},"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=454788&mlfb=3VA1020-3ED32-0DA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1020-3ED32-0DA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1020-3ED32-0DA0 and what is the lead time?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock count or lead-time number is published here."},{"question":"What is the breaking capacity of 3VA1020-3ED32-0DA0 at 415 V?","answer":"The breaking capacity at 415 V is 52.5 kA. At 240 V it is 75.6 kA, at 440 V it is 32 kA, and at 690 V it is 7.5 kA."},{"question":"Does 3VA1020-3ED32-0DA0 include an undervoltage release?","answer":"Yes, it includes an undervoltage release (UVR) as the auxiliary release design. There is no auxiliary contact, communication function, or ground fault monitoring."},{"question":"What is the closest functional alternative to 3VA1020-3ED32-0DA0?","answer":"The closest functional peer is the 3VA1010-2ED32-0JA0, which shares the same SENTRON platform and 3-pole form factor. The key difference is the current rating and release type — the 3VA1020-3ED32-0DA0 is a 20 A line-protection breaker with a TM210 release, while the 3VA1010-2ED32-0JA0 is a lower-current variant. Panel cutout and busbar spacing are identical, so it can drop into the same mounting footprint without rewiring the bus, but the trip curve and continuous rating must match the circuit design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1020-3ED32-0DA0","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/3VA1020-3ED32-0DA0 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}}