{"product_id":"siemens-nnx3b120l","title":"Siemens NNX3B120L 1200A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens NNX3B120L\u003c\/strong\u003e 1200A 3-Pole 600 V Circuit Breaker is built for serious industrial power distribution. With a \u003cstrong\u003e1200 A\u003c\/strong\u003e current rating across \u003cstrong\u003ethree poles\u003c\/strong\u003e and a \u003cstrong\u003e600 V\u003c\/strong\u003e voltage rating, this Siemens part provides dependable protection for demanding 3-phase systems.\u003c\/p\u003e \u003cp\u003eDesigned to support robust electrical infrastructure, this breaker offers:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-pole construction that delivers balanced protection for 3-phase feeders in factories, large commercial facilities, and data centers.\u003c\/li\u003e \u003cli\u003eHigh-current capacity (1200 A) suitable for main feeders or protective isolation in sizable switchgear and panelboards.\u003c\/li\u003e \u003cli\u003eAuthentic Siemens NNX series part (Part Number NNX3B120L) engineered for reliable integration with Siemens protection schemes and simpler procurement.\u003c\/li\u003e \u003cli\u003eDurable, compact design intended for demanding environments, prioritizing long-term reliability and consistent performance.\u003c\/li\u003e \u003cli\u003eClear electrical ratings—\u003cstrong\u003e1200 A\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e, \u003cstrong\u003e600 V\u003c\/strong\u003e—to help you plan protective coordination and maintain code-compliant installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e electrical engineers, facilities managers, and maintenance teams responsible for power distribution in manufacturing plants, data centers, and large facilities who require a heavy-duty, authentic protection device with straightforward sourcing.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e for installation and selection: verify that your panelboard or switchgear accepts Siemens NNX breakers, confirm mounting and bus connection compatibility, and ensure your system voltage and current align with the \u003cstrong\u003e600 V\u003c\/strong\u003e and \u003cstrong\u003e1200 A\u003c\/strong\u003e ratings. Keeping the \u003cstrong\u003eNNX3B120L\u003c\/strong\u003e part number handy will streamline replacements and future procurement.\u003c\/p\u003e \u003cp\u003eChoosing the Siemens NNX3B120L means opting for a trusted, authentic protection solution designed to meet the demands of industrial operation—delivering predictable, dependable performance when it matters most. Add this 1200 A, 3-Pole, 600 V circuit breaker to your electrical distribution strategy and safeguard critical equipment with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423584309410,"sku":"NNX3B120L","price":50106.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-nnx3b120l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}