{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-4EF42-0CA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-4EF42-0CA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-4EF42-0CA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF42-0CA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-4EF42-0CA0, molded case circuit breaker, 4-pole, 200 A at 40 °C, TM240 overcurrent release, 121 kA at 240 V, undervoltage release included.","salesMarkdown":"The interrupting ratings are substantial: 121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, 17 kA at 500 V, and 11.9 kA at 690 V. That SCCR headroom means it can sit upstream of a high-fault panel without cascading failure, which is exactly what a site electrical engineer wants for selectivity coordination. Rated 200 A at 40 °C, it holds that same 200 A at 45 °C and 50 °C — no derating needed in a typical warm panel. At 55 °C it drops to 194 A, then 188 A at 60 °C, 182 A at 65 °C, and 176 A at 70 °C. The maximum power loss is 44.5 W, so ventilation matters in a sealed box. That's a standard 4-pole MCCB footprint — it'll drop into a SENTRON panelboard or a DIN-rail adapter without re-drilling the gland plate. A food-and-bev process controls engineer checking panel fill factor can count on that width and depth not eating up extra rail space.","metaTitle":"Siemens 3VA1220-4EF42-0CA0 SENTRON MCCB, 200 A, 4-Pole, 121","metaDescription":"Siemens SENTRON 3VA1220-4EF42-0CA0 molded case circuit breaker, 200 A at 40 °C, 4-pole, TM240 release, 121 kA at 240 V. Current lifecycle. Quoted on request.","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":"121 kA","at 415 V":"75.6 kA","at 440 V":"52.5 kA","at 500 V":"17 kA","at 690 V":"11.9 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":"No","Number Of Poles":"4","Voltage Trigger":"No","lifecycle_stage":"current","Product Brand Name":"SENTRON","Product Designation":"Molded case circuit breaker","Undervoltage Release":"Yes","Design Of The Product":"Line protection","Communication Function":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","power loss [W] / maximum":"44.5 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA12204EF420AA0","Design Of The Auxiliary Release":"undervoltage release (UVR)","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","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB24","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":"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":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=568409&mlfb=3VA1220-4EF42-0CA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF42-0CA0/alternatives.json"},"ai":{"faq":[{"question":"Who supplies 3VA1220-4EF42-0CA0 and how is it quoted for volume purchases?","answer":"We source this part through independent distribution. Submit an RFQ for volume pricing and availability — confirmed at quote time."},{"question":"What is 3VA1220-4EF42-0CA0's listed depth?","answer":"70 mm. That's a standard 4-pole MCCB depth — fits in most SENTRON panelboards without clearance issues."},{"question":"What compliance documentation does this brand provide for 3VA1220-4EF42-0CA0?","answer":"Siemens SENTRON MCCBs typically carry UL, CSA, CE, and IEC certifications. Specific declarations (RoHS, REACH) are available on request with the RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-4EF42-0CA0","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/3VA1220-4EF42-0CA0 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}}