{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-5EF32-0HC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-5EF32-0HC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-5EF32-0HC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-5EF32-0HC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1225-5EF32-0HC0, molded case circuit breaker, 3-pole, 250 A at 40 °C, line protection, breaking capacity 187 kA at 240 V, 70 mm depth, 105 mm width.","salesMarkdown":"## Siemens 3VA1225-5EF32-0HC0 — SENTRON MCCB, 250 A, Line Protection At 415 V the interrupting rating drops to 121 kA, at 440 V to 75.6 kA, at 500 V to 30 kA, and at 690 V to 17 kA, so the voltage class of the installation governs which rating applies. Rated current holds at 250 A from 40 °C through 50 °C, then derates linearly to 223 A at 70 °C. That means a panel running at 55 °C ambient can still load the breaker to 243 A, but at 65 °C you lose 20 A of headroom. The maximum power loss is 57 W, so account for heat dissipation in a sealed enclosure. The 3VA1225-5EF32-0HC0 measures 105 mm wide × 158 mm high × 70 mm deep (4.13 × 6.22 × 2.76 in). The 70 mm depth clears most standard enclosures with room for rear busbars. ## Internal Configuration The basic switch is order code 3VA12255EF320AA0 — that is the switching mechanism inside the molded case. The voltage trigger is present, meaning the shunt trip can be wired to a remote pushbutton or safety relay for emergency off.","metaTitle":"Siemens 3VA1225-5EF32-0HC0 SENTRON MCCB, 250A, 3P, 187kA at","metaDescription":"Siemens 3VA1225-5EF32-0HC0 SENTRON molded case circuit breaker, 250A rated at 40°C, 3-pole, breaking capacity 187kA at 240V. Active production. 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":"105 mm","Height":"158 mm","Maximum":"0 A","Minimum":"0 A","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"75.6 kA","at 500 V":"30 kA","at 690 V":"17 kA","at 40 °C":"250 A","at 45 °C":"250 A","at 50 °C":"250 A","at 55 °C":"243 A","at 60 °C":"237 A","at 65 °C":"230 A","at 70 °C":"223 A","Depth [In]":"2.76 in","Width [In]":"4.13 in","Height [In]":"6.22 in","Trip Indicator":"No","Number Of Poles":"3","Voltage Trigger":"Yes","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":"57 W","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Of The Supplied Basic Switch":"3VA12255EF320AA0","Design Of The Auxiliary Switch":"2 auxiliary switches HQ","Design Of The Auxiliary Release":"shunt trip (STL)","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","Of The Integrated Auxiliary Trip Unit":"3VA9688-0BL30","Product Function / Grounding Protection":"No","operating voltage / at AC / rated value":"690 V","operating voltage / at DC / rated value":"500 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":"2","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching Capacity Class Of The Circuit Breaker":"M","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=568676&mlfb=3VA1225-5EF32-0HC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-5EF32-0HC0/alternatives.json"},"ai":{"faq":[{"question":"What is the depth of the 3VA1225-5EF32-0HC0?","answer":"70 mm (2.76 in)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-5EF32-0HC0","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/3VA1225-5EF32-0HC0 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}}