{"product_id":"square-d-qob2100-100a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB2100 - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB2100—a dependable 100 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical system where it matters most. Built to endure the demands of modern panelboards and load centers, this unit delivers steadfast branch circuit overcurrent and short-circuit protection with precise, repeatable performance.\u003c\/p\u003e \u003ch2\u003eWhy the Square D QOB2100 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to the bus, reducing movement and ensuring consistent electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection for both overloads and short circuits, helping minimize nuisance trips while safeguarding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e OEM compatibility\u003c\/strong\u003e is engineered to pair seamlessly with matching Square D load centers and panelboards, simplifying replacement and upgrades without compromising performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial environments, offering reliable protection across a range of panel configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct at a glance\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 QOB2100\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\u003eVoltage Rating:\u003c\/strong\u003e 240 V\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 Bolt-on\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\u003cp\u003eWhether you’re upgrading an aging panel, designing a new installation, or expanding a commercial load center, the QOB2100 provides the protection you rely on. Ideal for circuits where secure mounting and robust protection are essential—think service entrances in homes, lighting and receptacle branches in small offices, or feeder circuits in light industrial spaces.\u003c\/p\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overloaded circuits and arc-fault events by promptly interrupting fault currents.\u003c\/li\u003e \u003cli\u003eEliminates loose connections and vibration-related wear through a sturdy bolt-on mount, promoting long-term reliability.\u003c\/li\u003e \u003cli\u003eStreamlines replacement and compatibility with OEM panelboards, reducing installation headaches and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003ePlan installations around compatible Square D panelboards and load centers to ensure optimal fit and protection. The bolt-on design is straightforward for technicians familiar with molded case breakers, offering a secure, professional-grade connection that stands up to vibration and routine operation in mixed-use environments.\u003c\/p\u003e \u003cp\u003eWith the Square D QOB2100, you get a reliable, purpose-built solution for protecting branch circuits in a variety of settings. Its combination of secure mounting, precise thermal-magnetic protection, and OEM compatibility makes it a practical choice for ensuring electrical safety and system resilience.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355409666210,"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_32f4ae16-fa9d-4645-8e06-62b3efab76bc.png?v=1764691918","url":"https:\/\/www.ampstate.com\/products\/square-d-qob2100-100a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}