{"product_id":"square-d-qba221754-175a-2-pole-plug-in-circuit-breaker","title":"Square D QBA221754 - 175 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QBA221754 — a 175 A, 2-pole plug-in molded case circuit breaker engineered to shield panelboards and load centers from overcurrent and short-circuit events. Built for dependable branch circuit protection, this unit helps keep electrical systems safe, up to code, and ready to perform when it matters most.\u003c\/p\u003e \u003cp\u003eDesigned for fast, downtime-minimized installation, the plug-in connection snaps into compatible OEM load centers in seconds, making swaps or replacements quick and straightforward without complicated wiring. Its thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal element for overloads with a magnetic trip for short circuits, ensuring predictable response under fault conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 175 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in, molded case design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrip technology:\u003c\/strong\u003e Thermal-magnetic (overload protection with magnetic short-circuit protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit protection for residential, commercial, and light industrial panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches OEM load centers and panelboards\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation benefit:\u003c\/strong\u003e Quick replacement with minimal downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is ideal for panel upgrades, service panel replacements, or new installations where robust, reliable protection is essential. Use it to safeguard feeders and branch circuits for lighting, outlets, or small equipment in commercial spaces, or as a main\/sub-feed protector in residential settings.\u003c\/p\u003e \u003cp\u003eCompared with other protection options, the QBA221754’s plug-in design reduces field wiring and alignment hassles, while its precise thermal-magnetic trip curve minimizes nuisance trips and maintains consistent performance across varying ambient temperatures. It’s a practical, long-term solution for reliable electrical distribution.\u003c\/p\u003e \u003cp\u003eTechnical details at a glance: Part number QBA221754; 2-pole; 175 A; plug-in molded case; thermal-magnetic trip; designed for compatibility with Square D and OEM panelboards. Available from AmpState, your trusted source for dependable electrical components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355368902818,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_2ad6d10a-a492-46ca-a222-b41bb807cb49.png?v=1764691571","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221754-175a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}