{"product_id":"square-d-qob230swn-circuit-breaker","title":"Square D | QOB230SWN | Circuit Breaker | 30A | 2-Pole | 120V | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eQOB230SWN\u003c\/strong\u003e circuit breaker—a bolt-on, 30-amp, 2-pole protection device built for reliability in maintenance, retrofit, and replacement projects. With a 120-volt rating and a robust \u003cstrong\u003e10 kA\u003c\/strong\u003e interrupting capacity, this breaker is designed to quickly clear faults and safeguard wiring, devices, and loads in a variety of panel configurations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 10 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this bolt-on breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bolt-on design offers a secure mechanical connection that’s less prone to loosening from vibration, making it ideal for panels that require bolted-in protection. This is particularly important in retrofit or replacement scenarios where a precise form factor and reliable trip performance are essential to maintain panel integrity and electrical safety.\u003c\/p\u003e \u003ch3\u003eBest use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or replacement of aging breakers in Square D panels that accept bolt-on devices.\u003c\/li\u003e \u003cli\u003eRetrofits where a precise 30 A, 2-pole, 120 V solution is required to protect branch circuits.\u003c\/li\u003e \u003cli\u003eResidential or light commercial installations needing a dependable 30 A protection device with a common-trip design.\u003c\/li\u003e \u003cli\u003eLoad assessments where a high interrupting capacity (10 kA) provides a safety margin for fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and procurement tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure a correct fit, use the exact part number as the compatibility reference. \u003cstrong\u003eQOB230SWN\u003c\/strong\u003e is the best reference for matching panels and rail configurations. Always confirm fit and ratings before ordering to avoid mismatches in form factor or electrical specifications.\u003c\/p\u003e \u003cp\u003eInstallation notes for professionals and diligent DIYers: turn off power to the panel, verify absence of voltage, and follow local electrical codes. Bolt-on breakers require a compatible panel layout and mounting hardware; if your panel is designed for bolt-on devices, this 30 A, 2-pole unit will provide reliable protection for your circuits while delivering straightforward serviceability for future upgrades or replacements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424743903394,"sku":"QOB230SWN","price":334.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qob230swn-circuit-breaker-30a-2-pole-120v-10ka-bolt-216.webp?v=1789410224","url":"https:\/\/www.ampstate.com\/products\/square-d-qob230swn-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}