{"product_id":"siemens-bq3b04500s01-circuit-breaker","title":"Siemens | BQ3B04500S01 | Circuit Breaker | 45A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQ3B04500S01 Circuit Breaker is a 45A, 3-Pole, 240V protective device designed for reliable three-phase distribution protection in commercial and industrial panels. Built to the Siemens standard, this breaker integrates seamlessly into compatible Siemens panels and assemblies that require 3-pole protection at 240V.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specifications matter, this model serves as the definitive reference for compatibility. Before ordering, confirm fit and ratings against your panel labeling—the part number BQ3B04500S01 is your best reference to ensure a precise match.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 45A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003eReference: Part number BQ3B04500S01\u003c\/li\u003e \u003cli\u003eCompatibility: Siemens panels and distributions requiring a 3-pole, 240V circuit breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis is not a generic replacement. It provides a direct-fit solution that aligns with your existing Siemens electrical ecosystem, helping you minimize downtime and ensure consistent protection across your 3-phase system.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or tripped breaker in Siemens-compatible panels that require 3-pole, 240V protection\u003c\/li\u003e \u003cli\u003eRetrofit projects aimed at restoring three-phase safety and reliability in aging installations\u003c\/li\u003e \u003cli\u003eNew equipment setups in environments powered by 240V three-phase circuits using Siemens distribution gear\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for your project\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the exact panel labeling and the 3-pole, 240V configuration before ordering\u003c\/li\u003e \u003cli\u003eUse the exact part number BQ3B04500S01 as the primary compatibility reference to avoid mismatches\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens BQ3B04500S01 means staying within a trusted, compatible ecosystem engineered for dependable performance in demanding electrical environments. When you need a precise, race-ready fit for your 45A, 3-Pole, 240V circuit protection, this breaker delivers the alignment and reliability your system relies on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427494318242,"sku":"BQ3B04500S01","price":2030.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b04500s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}