{"product_id":"siemens-3va9143-0jb11-150a-3p-circuit-breaker","title":"Siemens 3VA9143-0JB11 150A 3P Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 3VA9143-0JB11\u003c\/strong\u003e is a 150 A, 3-pole circuit breaker designed for panelboards, load centers, and electrical distribution networks. Engineered for Siemens panel systems, this unit delivers reliable overcurrent protection for 3‑phase circuits and helps maintain electrical safety and uptime.\u003c\/p\u003e \u003cp\u003eKey advantages:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number match\u003c\/strong\u003e ensures seamless compatibility with existing Siemens equipment and listings, reducing the risk of incorrect substitutions in panel installations and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 150 A design\u003c\/strong\u003e suits 3‑phase feeders common in commercial and light industrial applications, providing balanced protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted source from AmpState\u003c\/strong\u003e with availability for immediate stocking, simplifying procurement for maintainers, panel builders, and distributors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for spare inventories\u003c\/strong\u003e to minimize downtime during service outages or panel retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and ideal audiences:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams performing routine protection upgrades or replacements in existing Siemens installations.\u003c\/li\u003e \u003cli\u003ePanel builders who require exact Siemens components to ensure warranty compliance and listed configurations.\u003c\/li\u003e \u003cli\u003eElectrical distributors stocking a reliable, drop-in replacement part for 3‑phase distribution panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens model stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart of the Siemens 3VA family, designed for predictable trip behavior and durable operation in demanding environments.\u003c\/li\u003e \u003cli\u003eDirect compatibility with panelboards and load centers that specify 3VA9143-0JB11, reducing design and installation guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSpecifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: 3VA9143-0JB11\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 150 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re uncertain about fit, AmpState offers assistance to confirm compatibility with your panel or distribution setup. Message us and we’ll help verify the correct match.\u003c\/p\u003e \u003cp\u003eReady for fast provisioning? Add the Siemens 3VA9143-0JB11 150 A 3P Circuit Breaker to your order and ensure you have the exact part your system was designed for, with the confidence of a direct part-number match and dependable supplier support.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410869145762,"sku":"3VA9143-0JB11","price":191.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va9143-0jb11-150a-3p-circuit-breaker-ampstate-breakers-545.webp?v=1788981031","url":"https:\/\/www.ampstate.com\/products\/siemens-3va9143-0jb11-150a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}