{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1120-4ED22-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1120-4ED22-0AA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1120-4ED22-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1120-4ED22-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1120-4ED22-0AA0, molded case circuit breaker, 2-pole, 20 A rated, 121 kA interrupting at 240 V AC, TM210 overcurrent release, line protection design.","salesMarkdown":"## SENTRON 3VA1120-4ED22-0AA0 — 20 A, 2-Pole MCCB with TM210 Release Rated 20 A continuously at 40 °C, it derates to 19 A at 60 °C and holds that level through 70 °C — the full operating range of the breaker. Interrupting capacity reaches 121 kA at 240 V AC and 75.6 kA at 415 V AC, giving headroom for high-fault panels without cascading upstream. ## Electrical Ratings and Duty Maximum power loss is 8 W.","metaTitle":"Siemens 3VA1120-4ED22-0AA0 SENTRON MCCB, 20A, 2-Pole, 121kA","metaDescription":"Siemens 3VA1120-4ED22-0AA0 SENTRON molded case circuit breaker, 20A rated, 2-pole, 121kA interrupting at 240V AC. Active production. Sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"50.8 mm","Height":"130 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"121 kA","at 415 V":"75.6 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]":"2 in","Height [In]":"5.12 in","Trip Indicator":"No","Number Of Poles":"2","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":"8 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Ground-Fault Monitoring Version":"Without","Insulation Voltage / Rated Value":"500 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","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"415 V","operating voltage / at DC / rated value":"250 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":"0","Switching Capacity Class Of The Circuit Breaker":"S","Mechanical Service Life (Operating Cycles) / Typical":"20 000","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,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/8708939210bc7364a16a4ff1e937290e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=139714&mlfb=3VA1120-4ED22-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1120-4ED22-0AA0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1120-4ED22-0AA0","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/3VA1120-4ED22-0AA0 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}}