{"product_id":"siemens-bq3b070-70a-3p-circuit-breaker","title":"Siemens BQ3B070 70A 3P Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens BQ3B070 70A 3P Bolt-On Circuit Breaker—engineered for dependable circuit protection in everyday electrical work. This 3-pole breaker is designed to live in panelboards, load centers, and distribution systems, delivering reliable performance when you need it most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage and configuration:\u003c\/strong\u003e 70 A, 3 poles (3P) for balanced three-phase circuits\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Bolt-On mounting for quick, secure integration into compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BQ3B070 from Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Replacement projects and stocking spares to keep the BOM aligned with the original part number\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Offered by AmpState with support to confirm fit and compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this 3-pole, 70A breaker? It provides straightforward, dependable overcurrent protection for three-phase distribution, helping you maintain system reliability without sacrificing ease of installation. The bolt-on design simplifies retrofits and field replacements, reducing downtime and keeping your electrical distribution aligned with the original equipment configuration.\u003c\/p\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed 3P 70A breakers in Siemens panelboards and distribution equipment\u003c\/li\u003e \u003cli\u003eBuilding a reliable spare inventory that matches the original BOM, ensuring smooth future maintenance\u003c\/li\u003e \u003cli\u003eCoordinating replacements in facilities that require consistent, compatible parts across multiple panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCommon questions this part answers:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWill this fit my Siemens panel? AmpState can help verify compatibility—provide your panel model and existing breakers for a quick check.\u003c\/li\u003e \u003cli\u003eIs 70 A appropriate for my circuit load? This breaker is suited for three-phase circuits that require protection up to 70 A, supporting safe distribution in mid-sized electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens BQ3B070 to simplify maintenance, preserve BOM integrity, and ensure steady, reliable protection across your electrical distribution. If you need help confirming fit, reach out to AmpState for expert compatibility support.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989830306,"sku":"BQ3B070","price":555.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b070-70a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}