{"product_id":"square-d-qba221004-100a-2-pole-plug-in-circuit-breaker","title":"Square D QBA221004 - 100 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eExperience reliable protection with the Square D QBA221004 — a 100 A, 2-pole plug-in molded case circuit breaker built to safeguard panelboards and load centers. This plug-in design delivers fast installation and effortless replacement, helping you minimize downtime during upgrades or service work while maintaining trusted Square D protection standards.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Quick coupling to compatible panelboards reduces installation time and simplifies future replacements, so you can restore service with minimal disruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines precise thermal protection for routine overloads with instantaneous magnetic protection for short circuits, giving stable, repeatable protection performance across a range of loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design:\u003c\/strong\u003e Specifically engineered to work with matching Square D OEM load centers and panelboards, helping ensure reliable fit and coordinated protection across your system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial environments, making it a practical choice for a variety of electrical distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, 100 A configuration:\u003c\/strong\u003e Delivers coordinated protection on both hot legs with a common trip, ideal for circuits that require robust, branch-circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QBA221004\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 100 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\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStocking a service panel upgrade or replacement project where rapid plug-in installation minimizes panel downtime.\u003c\/li\u003e \u003cli\u003eProtecting residential feeders or commercial light-duty circuits that demand reliable thermal-magnetic protection against overloads and faults.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker in existing Square D panelboards and load centers to preserve system coordination and trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you choose the QBA221004, you’re selecting a proven, dependable solution that aligns with your Square D ecosystem while delivering clear, actionable protection for everyday electrical demands. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355366674594,"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_f5f3e5cb-b770-4a7d-8359-038046d83449.png?v=1764691559","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221004-100a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}