{"product_id":"siemens-qj2b110hl-circuit-breaker","title":"Siemens | QJ2B110HL | Circuit Breaker | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ2B110HL is a dependable 2-pole, 240V circuit breaker designed for maintenance, retrofit, and replacement projects where precise compatibility matters. Identified by the exact part number QJ2B110HL, this breaker ensures reliable protection for 240V circuits in Siemens panels and compatible enclosures.\u003c\/p\u003e \u003ch2\u003eKey advantages\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole design for 240V circuits:\u003c\/strong\u003e Safeguards both hot legs in a 240V setup, delivering balanced protection and trip coordination in multiwire systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference:\u003c\/strong\u003e The QJ2B110HL designation is your best compatibility reference, reducing guesswork during replacements or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement:\u003c\/strong\u003e A straightforward upgrade path when upgrading or restoring panel protection without altering downstream wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Siemens build quality:\u003c\/strong\u003e Engineered to meet common electrical standards and to integrate smoothly with Siemens panels and related accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ2B110HL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated 2-pole breaker in 240V circuits within residential or light commercial panels that require Siemens compatibility.\u003c\/li\u003e \u003cli\u003eRetrofit projects where panel manufacturers specify the QJ series for consistent trip characteristics and reliable performance.\u003c\/li\u003e \u003cli\u003eMaintenance cycles in electrical panels that protect appliances, HVAC equipment, or other 240V-powered loads.\u003c\/li\u003e \u003cli\u003eNew installations in systems designed around Siemens QJ components, ensuring uniform protection across the panel lineup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eImportant: Confirm fit and ratings before ordering. The \u003cstrong\u003eQJ2B110HL\u003c\/strong\u003e part number is the best reference for compatibility with your panel. When selecting this breaker, verify that the enclosure, frame, and bus connections match the QJ family requirements, and that the panel labeling supports a 2-pole, 240V device of this type. For best results, align your selection with the panel’s documentation and any manufacturer-specific installation guidelines.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427422228642,"sku":"QJ2B110HL","price":510.0,"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-qj2b110hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}