{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-4EF32-0DE0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-4EF32-0DE0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-4EF32-0DE0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF32-0DE0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-4EF32-0DE0, 3-pole molded case circuit breaker, 200 A rated current, line protection with TM240 overcurrent release and undervoltage release, 121 kA interrupting at 240 V.","salesMarkdown":"Its TM240 thermal-magnetic overcurrent release handles the overload and short-circuit trip curve, while the integrated undervoltage release (UVR) drops the breaker if control voltage is lost — a standard requirement for safety disconnects in refrigeration compressor circuits and other PSM-monitored equipment. ## Interrupting capacity — the real-world fault clearance This breaker clears 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. ## Thermal derating — how it runs cold and stays cold Rated current holds flat at 200 A from 40 °C through 50 °C, then derates to 194 A at 55 °C, 188 A at 60 °C, 182 A at 65 °C, and 176 A at 70 °C. For a cold-storage or freezer line where ambient stays near 0 °C, the breaker runs well below its thermal limit — no derating concern. In a hot panel (55 °C+), the 6 A step per 5 °C is predictable and easy to factor into the BOM. ## Panel fit and auxiliary contacts","metaTitle":"Siemens 3VA1220-4EF32-0DE0 SENTRON MCCB, 200 A, 3-Pole, Line","metaDescription":"Siemens 3VA1220-4EF32-0DE0 SENTRON molded case circuit breaker, 200 A rated current, 3-pole, line protection, 121 kA at 240 V. Current production. Available 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":"105 mm","Height":"158 mm","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]":"4.13 in","Height [In]":"6.22 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":"44.5 W","Auxiliary contact version":"4 auxiliary switches HQ","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":"3VA12204EF320AA0","Courant permanent assigné Iu":"200 A","Design Of The Auxiliary Release":"undervoltage release (UVR)","Ground-Fault Monitoring Version":"Without","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","Of The Integrated Auxiliary Trip Unit":"3VA9608-0BB25","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":"Yes","Adjustable response value current / li max.":"2 000 A","Adjustable response value current / li min.":"1 000 A","Neutral conductors / upgradeable/retrofittable":"No","Protection Function Of The Overcurrent Release":"LI","number of CO contacts / for auxiliary contacts":"4","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching Capacity Class Of The Circuit Breaker":"S","Max. rated operational current of the frame size":"250 A","Mechanical Service Life (Switching 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","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"25 x 8 mm","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"13 x 1 mm"}},"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=1416604&mlfb=3VA1220-4EF32-0DE0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF32-0DE0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1220-4EF32-0DE0 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at the time of quote."},{"question":"What is the interrupting capacity of 3VA1220-4EF32-0DE0 at 415 V?","answer":"At 415 V the breaker clears 75.6 kA."},{"question":"Does 3VA1220-4EF32-0DE0 include an undervoltage release?","answer":"Yes, it is factory-fitted with an undervoltage release (UVR)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-4EF32-0DE0","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/3VA1220-4EF32-0DE0 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}}