{"product_id":"square-d-qga221004-100a-240v-2-pole-plug-in-circuit-breaker","title":"Square D QGA221004 - 100 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QGA221004 is a 100-amp, 240-volt, 2-pole plug-in molded case circuit breaker designed to guard branch circuits against overloads and short circuits. Engineered for dependable protection in panelboards and load centers, it's a precise fit for residential, commercial, and light industrial electrical systems.\u003c\/p\u003e \u003cp\u003eFast, tool-free installation: simply plug in the unit for quick replacement or upgrades, minimizing downtime during panel servicing or layout changes.\u003c\/p\u003e \u003cp\u003eThermal-magnetic protection you can rely on: the thermal element reacts to sustained overcurrent, while the magnetic element clamps high‑fault currents with repeatable trip performance, helping you avoid nuisance trips and protect sensitive equipment.\u003c\/p\u003e \u003cp\u003eDesigned for compatibility: built to match Square D OEM panelboards and load centers, this 2-pole 100A device provides reliable protection for branch circuits powering lighting, outlets, HVAC, and other critical loads.\u003c\/p\u003e \u003ch4\u003eWhat you get\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QGA221004\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 \u003ch4\u003eIdeal use scenarios\u003c\/h4\u003e\n\u003cp\u003eUpgrade existing panels in homes or light commercial spaces, install in service panels or subpanels, and maintain critical circuits where fast replacement reduces downtime. When you need a reliable 2-pole protection strategy at 100 A, this unit fits your Square D‑based panel ecosystem and helps you stay in code-compliant, element-balanced operation.\u003c\/p\u003e \u003ch4\u003eWhy this model stands out\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003ePlug-in design minimizes installation time and reduces risk of mis-wiring during swaps.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip delivers stable performance across ambient temperatures and load profiles.\u003c\/li\u003e \u003cli\u003eOEM panel compatibility reduces the need for adapters or mismatched fit, ensuring proper bus connection and safe mounting.\u003c\/li\u003e \u003cli\u003e2-pole design provides simultaneous isolation of both live conductors, improving safety for multi-wire branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355384664226,"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_e96fcaa4-3717-4fe3-be4a-b6fc413a928f.png?v=1764691693","url":"https:\/\/www.ampstate.com\/products\/square-d-qga221004-100a-240v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}