{"product_id":"square-d-qo1151021-circuit-breaker","title":"Square D | QO1151021 | Circuit Breaker | 15A | 1-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D \u003cstrong\u003eQO1151021\u003c\/strong\u003e circuit breaker—a trusted plug-in protector engineered for Square D QO panels. With a \u003cstrong\u003e15A\u003c\/strong\u003e rating, \u003cstrong\u003e1-Pole\u003c\/strong\u003e configuration, and \u003cstrong\u003e240V\u003c\/strong\u003e capability, this breaker is a precise solution for maintenance, retrofit, and replacement projects where exact specs matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 15A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Plug-In for quick, tool-free installation in compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QO1151021 — the best reference to verify compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this plug-in breaker fits your Square D panel needs\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eQO1151021\u003c\/strong\u003e is purpose-built for Square D \u003cstrong\u003eQO series\u003c\/strong\u003e panels, delivering reliable overcurrent protection when you’re performing routine maintenance, a retrofit, or a straightforward replacement. The plug-in design minimizes downtime and simplifies the swap process, making it a practical choice for both professional electricians and skilled homeowners working with compatible panels.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn-out 15A, 240V, 1-Pole breaker in a QO panel\u003c\/li\u003e \u003cli\u003eRetrofits where a 15A, single-pole, 240V circuit needs dedicated protection\u003c\/li\u003e \u003cli\u003eMaintenance updates to restore proper distribution for 240V branch circuits in residential or light commercial settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure the right fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm that your installation matches the listed specifications and that your panel accepts plug-in QO breakers. The \u003cstrong\u003epart number\u003c\/strong\u003e is the best compatibility reference, so use \u003cstrong\u003eQO1151021\u003c\/strong\u003e to verify against your panel’s requirements. If in doubt, consult the panel’s documentation or a qualified electrician to avoid mismatches or unsafe installations.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the main disconnect and verify circuits are de-energized before replacing any breaker\u003c\/li\u003e \u003cli\u003eEnsure the panel is a compatible QO series model that accepts plug-in breakers\u003c\/li\u003e \u003cli\u003eInspect the breaker slot and surrounding bus stab connections for cleanliness and integrity before seating the new unit\u003c\/li\u003e \u003cli\u003eAfter installation, restore power and test the circuit to confirm proper operation and trip response\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for reliable performance in the right Square D QO panel environments, the \u003cstrong\u003eQO1151021\u003c\/strong\u003e delivers targeted 15A protection for 240V circuits when you need a precise, straightforward replacement. Equip your panel with this plug-in breaker to maintain safe, consistent electrical distribution and reduce downtime during maintenance or upgrades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424438243490,"sku":"QO1151021","price":492.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo1151021-circuit-breaker-15a-1-pole-240v-plug-507.webp?v=1789359612","url":"https:\/\/www.ampstate.com\/products\/square-d-qo1151021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}