{"product_id":"siemens-nnx3b100-circuit-breaker","title":"Siemens | NNX3B100 | Circuit Breaker | 1000A | 3-Pole | 600V | 35kA","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NNX3B100 Circuit Breaker—a purpose-built solution for high-demand electrical systems. With a 1000A rating, three poles, and a 600V maximum, it’s designed to protect large, multi-phase distributions in industrial settings. When faults occur, its 35kA interrupting capacity helps isolate the problem quickly, safeguarding equipment, wiring, and personnel while minimizing downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1000A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 35kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NNX3B100\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongexact fit for siemens-compatible panels:\u003e The NNX3B100 is purpose-built to match Siemens systems, simplifying retrofit, maintenance, and replacement tasks.\u003c\/strongexact\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear reference for compatibility:\u003c\/strong\u003e The part number is your most reliable guide when confirming fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection for demanding environments:\u003c\/strong\u003e 1000A capacity paired with a robust 35kA interrupting capability provides strong defense against fault currents in large feeders and main service paths.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e The 3-Pole design ensures synchronized switching across all phases, essential for balanced distribution and motor circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial power distribution panels needing reliable high-current protection\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment requires an exact NNX3B100 match\u003c\/li\u003e \u003cli\u003eMaintenance and replacement of aging or non-Siemens components within Siemens-compatible assemblies\u003c\/li\u003e \u003cli\u003eLarge motor feeder circuits and service entrances that require solid fault isolation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and installation insights\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the NNX3B100 matches the intended panel or bus arrangement and that the 600V, 1000A, and 35kA ratings align with your system requirements. The part number is the strongest compatibility reference—use it to confirm that this breaker will drop into your Siemens-structured lineup without modification.\u003c\/p\u003e \u003ch3\u003ePractical guidance for getting the most from your breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan replacements during preventive maintenance windows to minimize panel downtime.\u003c\/li\u003e \u003cli\u003eCross-check with existing Siemens components in the same circuit to ensure consistent tripping characteristics and coordination.\u003c\/li\u003e \u003cli\u003eKeep a direct reference to the NNX3B100 part number handy for future service needs and quick procurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425651609762,"sku":"NNX3B100","price":25436.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-nnx3b100-circuit-breaker-1000a-3-pole-600v-35ka-796.webp?v=1789437766","url":"https:\/\/www.ampstate.com\/products\/siemens-nnx3b100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}