{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1220-4EF32-0HA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1220-4EF32-0HA0","canonicalUrl":"https://aoctrl.com/siemens/3VA1220-4EF32-0HA0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF32-0HA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1220-4EF32-0HA0, molded case circuit breaker, 3-pole, 200 A rated continuous current, line protection, with shunt trip (STL), breaking capacity 121 kA at 240 V.","salesMarkdown":"The Siemens 3VA1220-4EF32-0HA0 is a SENTRON molded case circuit breaker (MCCB) rated for 200 A continuous current at 40 °C, with a 3-pole configuration and a TM240 thermal-magnetic overcurrent release. It is built for line protection — meaning it sits on the feeder side of a distribution panel to protect cables and busbars from overloads and short circuits. This MCCB delivers 121 kA at 240 V, 75.6 kA at 415 V, 25 kA at 440 V, and 11.9 kA at 690 V. For a 415 V distribution board with a prospective short-circuit current of, say, 50 kA, this breaker gives you 25 kA of headroom — that is selectivity margin for the upstream transformer. ## Thermal derating — the real-world current you can pull Above that, it derates: 194 A at 55 °C, 188 A at 60 °C, 182 A at 65 °C, and 176 A at 70 °C. If your panel ambient runs at 60 °C, you lose 12 A from the nameplate rating — plan your load accordingly. It is a fixed (non-plug-in) MCCB designed for screw-mounting onto a mounting plate or into a distribution panel. No auxiliary contacts are fitted as standard; if you need status feedback, you will add them separately.","metaTitle":"Siemens 3VA1220-4EF32-0HA0 SENTRON MCCB, 200 A, 3-Pole, Line","metaDescription":"Siemens SENTRON 3VA1220-4EF32-0HA0 molded case circuit breaker, 200 A rated continuous current, 3-pole, line protection. Breaking capacity 121 kA at 240 V. Shunt trip STL. Sourced","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":"25 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","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"Without","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"200 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL30","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","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"200 A","Adjustable response value current / li max.":"2 000 A","Adjustable response value current / li min.":"1 000 A","Adjustable response value current / lr min.":"140 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"0","Protective function of the overcurrent release":"LI","Switching capacity class of the circuit breaker":"S","Max. rated operational current of the frame size":"250 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"lug terminal","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","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"13 x 1"}},"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=568389&mlfb=3VA1220-4EF32-0HA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1220-4EF32-0HA0/alternatives.json"},"ai":{"faq":[{"question":"Who supplies 3VA1220-4EF32-0HA0 and how is it quoted for volume purchases?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the breaking capacity of this MCCB at 415 V?","answer":"At 415 V the breaking capacity is 75.6 kA."},{"question":"Does this breaker include a shunt trip?","answer":"Yes, it is fitted with a shunt trip (STL) auxiliary release, order code 3VA9688-0BL30, for remote tripping."},{"question":"What is the rated continuous current at 60 °C?","answer":"At 60 °C the rated continuous current derates to 188 A."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1220-4EF32-0HA0","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/3VA1220-4EF32-0HA0 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}}