{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1020-4ED36-0CA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1020-4ED36-0CA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1020-4ED36-0CA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1020-4ED36-0CA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1020-4ED36-0CA0, molded case circuit breaker, 3-pole, 20 A, TM210 thermal-magnetic release, 121 kA at 240 V, line protection.","salesMarkdown":"## Siemens SENTRON 3VA1020-4ED36-0CA0 — 20 A MCCB with TM210 Release Its interrupting capacity reaches 121 kA at 240 V, 75.6 kA at 415 V, and 52.5 kA at 440 V — figures that govern selectivity coordination in a distribution board. An undervoltage release is included; no trip indicator or communication function is fitted. ## Interrupting Capacity and Thermal Derating At 415 V the rating drops to 75.6 kA, at 440 V to 52.5 kA, and at 500 V and 690 V it holds at 11.9 kA. The continuous current rating is 20 A from 40 °C through 55 °C ambient; at 60 °C it derates to 19 A, and holds at 19 A through 70 °C. This thermal curve means the breaker can be applied in a warm enclosure without forced cooling, as long as the load stays at or below the derated figure. The 3VA1020-4ED36-0CA0 measures 76.2 mm wide, 130 mm high, and 70 mm deep. The undervoltage release (fitted as standard) must be wired to the control voltage; verify polarity and coil rating against the panel's control transformer before commissioning.","metaTitle":"Siemens 3VA1020-4ED36-0CA0 SENTRON MCCB, 20 A, 121 kA at 240","metaDescription":"Siemens 3VA1020-4ED36-0CA0 SENTRON molded case circuit breaker, 3-pole, 20 A, TM210 release, 121 kA at 240 V. Current lifecycle. Sourced to order against RFQ.","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":"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 40 °C":"20 A","at 45 °C":"20 A","at 50 °C":"20 A","at 55 °C":"20 A","at 60 °C":"19 A","at 65 °C":"19 A","at 70 °C":"19 A","Depth [In]":"2.76 in","Width [In]":"3 in","Height [In]":"5.12 in","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","Undervoltage Release":"Yes","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"14.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","rated insulation voltage Ui":"800 V","Of The Supplied Basic Switch":"3VA10204ED360AA0","Courant permanent assigné Iu":"20 A","Ground-Fault Monitoring Version":"Without","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","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB24","operating voltage / at AC / rated value":"690 V","Max. rated operational voltage Ue with DC":"500 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"No","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 (Switching Cycles) / Typical":"20 000","Type Of Electrical Connection / For Main Current Circuit":"box terminal on both sides","Arrangement Of Electrical Connectors / For Main Current Circuit":"Front terminal","Type of connectable conductor cross-section, round conductor terminal, stranded":"1 x (1,5 - 70 mm²)"}},"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=134348&mlfb=3VA1020-4ED36-0CA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1020-4ED36-0CA0/alternatives.json"},"ai":{"faq":[{"question":"What is the interrupting capacity of 3VA1020-4ED36-0CA0 at 240 V?","answer":"The interrupting capacity is 121 kA at 240 V, per the specification."},{"question":"What are the physical dimensions of this MCCB?","answer":"The dimensions are 76.2 mm width, 130 mm height, and 70 mm depth."},{"question":"Where can I buy 3VA1020-4ED36-0CA0?","answer":"This part is sourced to order against an RFQ through independent distribution. 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/3VA1020-4ED36-0CA0","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/3VA1020-4ED36-0CA0 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}}