{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-4GF42-0DH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-4GF42-0DH0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-4GF42-0DH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4GF42-0DH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-4GF42-0DH0, molded case circuit breaker, 4-pole, 200 A fixed rating, breaking capacity 121 kA at 240 V AC, 75.6 kA at 415 V AC, undervoltage release, 2 aux + 1 trip alarm switch.","salesMarkdown":"Its breaking capacity scales with system voltage: 121 kA at 240 V AC, 75.6 kA at 415 V AC, 52.5 kA at 440 V AC, 17 kA at 500 V AC, and 11.9 kA at 690 V AC — meaning it can clear faults up to those levels without upstream coordination issues at the respective voltages. ## Thermal performance and derating Above that, it derates linearly: 194 A at 55 °C, 188 A at 60 °C, 182 A at 65 °C, and 176 A at 70 °C. ## Auxiliary and release configuration","metaTitle":"Siemens SENTRON 3VA1220-4GF42-0DH0 MCCB, 200 A, 4-Pole, 121","metaDescription":"Siemens SENTRON 3VA1220-4GF42-0DH0 molded case circuit breaker, 200 A fixed, 4-pole, 121 kA breaking at 240 V. Active production. Available 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":"140 mm","Height":"158 mm","Maximum":"200 A","Minimum":"200 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":"Yes","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":"3VA12204GF420AA0","Design Of The Auxiliary Switch":"2 auxiliary switches + 1 trip alarm switch HQ","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":"100%","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB25","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":"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=568440&mlfb=3VA1220-4GF42-0DH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4GF42-0DH0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1220-4GF42-0DH0 and how do I get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing."},{"question":"What are the key ratings for 3VA1220-4GF42-0DH0?","answer":"It is a 4-pole MCCB with a fixed 200 A rating. Breaking capacity is 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. It includes an undervoltage release and a 2-auxiliary-switch plus 1-trip-alarm-switch block."},{"question":"What compliance documentation does Siemens provide for 3VA1220-4GF42-0DH0?","answer":"As a SENTRON series MCCB, it is designed to meet applicable IEC and UL standards. Specific RoHS, REACH, and certification documentation should be confirmed at time of order."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-4GF42-0DH0","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/3VA1220-4GF42-0DH0 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}}