{"product_id":"siemens-3wt8161-2aa00-0aa2-8161-2a-3-pole-air-circuit-breaker","title":"Siemens 3WT8161 2AA00 0AA2 3 Pole Air Circuit Breaker for Industrial Low Voltage Power Distribution","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens 3WT8161-2AA00-0AA2, a 3-pole air circuit breaker engineered for robust protection and precise switching in industrial and commercial low-voltage power distribution. Built to endure demanding environments, this heavy-duty ACB delivers dependable fault isolation and controlled power control where it matters most.\u003c\/p\u003e \u003cp\u003eDesigned for three-phase systems, the 3WT8161-2AA00-0AA2 simplifies protection of main incoming feeders and switchboards, ensuring consistent, coordinated operation across all phases. Its adjustable trip settings let engineers tailor protection curves to the specific network, reducing nuisance trips while guaranteeing rapid fault clearance when faults occur. With a high interruption capacity, this breaker safely interrupts large fault currents, safeguarding transformers, motors, and downstream equipment from damage.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e 3WT8161-2AA00-0AA2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker Type:\u003c\/strong\u003e Air Circuit Breaker (ACB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 8161-2A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Main incoming feeders, switchboards, and critical low-voltage power distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey Features:\u003c\/strong\u003e Adjustable trip settings, high interruption capacity, reliable protection and switching\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens unit stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike smaller or single-pole solutions, the 3WT8161-2AA00-0AA2 offers a purpose-built three-phase protection architecture that aligns with industrial and commercial distribution needs. The adjustable trip capability provides precise coordination with downstream protective devices, helping to optimize protection zoning and minimize downtime. Siemens engineering ensures compatibility with standard low-voltage switchgear and panelboards, supporting straightforward integration into existing distributions without sacrificing performance.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting main incoming feeders in manufacturing facilities, data centers, and large commercial buildings\u003c\/li\u003e \u003cli\u003eServing as a primary protection device in distribution switchboards where three-phase control is essential\u003c\/li\u003e \u003cli\u003eCoordination-friendly protection for critical loads that require reliable, fast interruption under fault conditions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan trip settings in coordination with upstream devices to balance protection speed and selectivity.\u003c\/li\u003e \u003cli\u003eEnsure proper mounting and alignment with standard low-voltage distribution panels to maintain reliable operation.\u003c\/li\u003e \u003cli\u003eUse as a robust, long-term component in industrial-grade electrical infrastructure where durability and predictability are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390493085858,"sku":"3WT8161-2AA00-0AA2","price":8804.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_418eca10-db3a-4f43-bda8-fab761d4ea02.png?v=1765373980","url":"https:\/\/www.ampstate.com\/products\/siemens-3wt8161-2aa00-0aa2-8161-2a-3-pole-air-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}