{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-6EF42-0AH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-6EF42-0AH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-6EF42-0AH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-6EF42-0AH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-6EF42-0AH0, molded case circuit breaker, 4-pole, 200 A at 40 °C, breaking capacity 220 kA at 240 V, TM240 thermal-magnetic release, line protection.","salesMarkdown":"The Siemens 3VA1220-6EF42-0AH0 is a 4-pole SENTRON molded case circuit breaker designed for line protection, with a continuous current rating of 200 A at 40 °C and a thermal-magnetic TM240 release. Its headline breaking capacity hits 220 kA at 240 V, stepping down to 154 kA at 415 V, 75.6 kA at 440 V, 30 kA at 500 V, and 17 kA at 690 V — so it handles high-fault utility feeds or transformer secondaries where upstream SCCR demands serious interrupting muscle. Rated 200 A at 40 °C, the 3VA1220-6EF42-0AH0 holds that same 200 A through 45 °C and 50 °C. At 55 °C it derates to 194 A, then 188 A at 60 °C, 182 A at 65 °C, and 176 A at 70 °C. In a warm panel — say 55 °C ambient — you lose only 6 A, so this breaker fits tightly packed switchboards without oversizing. ## Physical fit and auxiliary switching The 4-pole body fits standard SENTRON mounting footprints. The supplied basic switch variant is 3VA12206EF420AA0, which means the internal switching mechanism is pre-configured for this order code.","metaTitle":"Siemens 3VA1220-6EF42-0AH0 SENTRON MCCB, 200A, 220kA at 240V","metaDescription":"Siemens SENTRON 3VA1220-6EF42-0AH0 molded case circuit breaker, 4-pole, 200A at 40°C, 220kA breaking capacity at 240V. Current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"140 mm","Height":"158 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"220 kA","at 415 V":"154 kA","at 440 V":"75.6 kA","at 500 V":"30 kA","at 690 V":"17 kA","at 40 °C":"200 A","at 45 °C":"200 A","at 50 °C":"200 A","at 55 °C":"194 A","at 60 °C":"188 A","at 65 °C":"182 A","at 70 °C":"176 A","Depth [In]":"2.76 in","Width [In]":"5.51 in","Height [In]":"6.22 in","Trip Indicator":"Yes","Number Of Poles":"4","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":"42 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA12206EF420AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch 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","design of the N-conductor protection":"without","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"600 V","reference code / according to IEC 81346-2":"Q","Product Extension / Optional / Motor Drive":"Yes","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"3","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching Capacity Class Of The Circuit Breaker":"H","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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=568460&mlfb=3VA1220-6EF42-0AH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-6EF42-0AH0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of this MCCB at different voltages?","answer":"At 240 V it interrupts 220 kA, at 415 V it interrupts 154 kA, at 440 V it interrupts 75.6 kA, at 500 V it interrupts 30 kA, and at 690 V it interrupts 17 kA."},{"question":"Where can I buy 3VA1220-6EF42-0AH0?","answer":"Sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commitment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-6EF42-0AH0","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/3VA1220-6EF42-0AH0 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}}