{"product_id":"siemens-bq2b020qx","title":"Siemens BQ2B020QX 20A 2-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens BQ2B020QX 20A 2-Pole 240 V Circuit Breaker Potential Transformer — a purpose-built protective device crafted for reliability, precise control, and seamless integration into modern electrical distributions. This Siemens breaker is designed to safely interrupt current on both hot legs, delivering coordinated protection for multi-wire circuits while supporting metering and protection schemes that rely on potential transformer data.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BQ2B020QX\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential Transformer compatibility:\u003c\/strong\u003e PT-enabled design for metering and protection applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDual-pole protection:\u003c\/strong\u003e The 2-pole construction ensures simultaneous disconnection of both conductors, enhancing safety and improving trip coordination on shared feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens engineering advantage:\u003c\/strong\u003e Built to integrate smoothly with Siemens panels, bus systems, and accessories, reducing installation complexities and ensuring system-wide compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePT-ready protection:\u003c\/strong\u003e Designed for circuits that leverage potential transformer data, enabling accurate monitoring, metering, and relay decisions without extra adapters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCommercial electrical rooms and light industrial panels where dual-pole protection is required for shared loads.\u003c\/li\u003e \u003cli\u003eApplications that rely on PT-based metering or protective relays, enabling dependable protection with accurate measurements.\u003c\/li\u003e \u003cli\u003eUpgrades or retrofits in existing Siemens infrastructure where a like-for-like replacement simplifies maintenance and ensures compatibility with current accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstall in compatible Siemens panels designed for 2-pole, 240 V protection; verify line\/load orientation as labeled on the device.\u003c\/li\u003e \u003cli\u003ePair with appropriate auxiliary devices only from the same Siemens family to maintain optimal coordination and warranty coverage.\u003c\/li\u003e \u003cli\u003eEnsure the protected circuit length, layout, and load profile align with the 20 A rating to prevent nuisance trips and maximize lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens BQ2B020QX when you need dependable two-pole protection, straightforward integration with Siemens ecosystems, and support for PT-based monitoring and metering. It’s an efficient, sector-aware solution for electricians and facilities managers seeking clarity, reliability, and long-term performance in their electrical distribution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423145218210,"sku":"BQ2B020QX","price":510.0,"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-bq2b020qx","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}