{"product_id":"square-d-qou3301021-circuit-breaker","title":"Square D | QOU3301021 | Circuit Breaker | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet dependable Square D protection with the QOU3301021 circuit breaker — a precise 3-pole, 240V bolt-on solution designed for maintenance, retrofit, and replacement tasks where exact compatibility matters.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specs at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole count:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QOU3301021\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose a genuine Square D breaker? The QOU3301021 carries the reliability of Square D engineering, built to endure in demanding electrical environments while delivering predictable tripping performance when protection is required.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat problems this solves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFilling a service gap in ongoing maintenance by providing a direct replacement that matches existing panel configurations.\u003c\/li\u003e \u003cli\u003eUpgrading or retrofitting to a 3-pole 240V protection strategy in three-phase or multi-wire setups.\u003c\/li\u003e \u003cli\u003eMinimizing downtime: using a bolt-on design can simplify installation in compatible enclosures and reduces the risk of poor contact associated with generic substitutes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and ideal environments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial control panels that require solid, bolt-on mounting for vibration-prone equipment.\u003c\/li\u003e \u003cli\u003eCommercial electrical distribution where 3-pole 240V protection is standard for three-phase circuits.\u003c\/li\u003e \u003cli\u003eRetrofit projects where an exact part reference (QOU3301021) ensures compatibility with existing field-installed breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings by cross-checking with the part number QOU3301021 before ordering.\u003c\/li\u003e \u003cli\u003eVerify that your panel or enclosure supports a bolt-on style breaker of 3-Pole and 240V rating; the best reference for compatibility is the exact part number.\u003c\/li\u003e \u003cli\u003eEnsure power is fully isolated and follow all safety procedures during installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn summary, the Square D QOU3301021 is a purpose-built, bolt-on 3-pole breaker that delivers reliable 240V protection in compatible panels. When you need a precise replacement that aligns with your current specifications, this part offers a straightforward, trusted solution that keeps electrical systems protected and running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426625245346,"sku":"QOU3301021","price":833.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qou3301021-circuit-breaker-3-pole-240v-bolt-851.webp?v=1789598552","url":"https:\/\/www.ampstate.com\/products\/square-d-qou3301021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}