{"product_id":"square-d-qob315-15a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QOB315 - 15 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB315, a 15A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durability and precise protection, it’s a trusted choice for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003ch2\u003eWhy the QOB315 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, maintaining a reliable electrical path even in dynamic environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance, responding accurately to both overloads and short-circuit conditions across varying temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless compatibility with matching load centers and panelboards, simplifying replacement and expansion projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings where robust protection and dependable operation matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical 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 QOB315\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 15A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\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 and installation scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading panels in existing homes where a solid 3-pole, 240V protection device is required without reconfiguring bus bars.\u003c\/li\u003e \u003cli\u003eInstalling in commercial electrical rooms and light industrial panels where vibration resistance and reliable trip performance are critical.\u003c\/li\u003e \u003cli\u003eStocking replacement breakers in panelboards that use bolt-on MCCB units, ensuring quick, compatible replacements with minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D QOB315 means opting for a purpose-built solution that prioritizes secure mounting, precise protection, and compatibility with OEM equipment. Whether you’re facing routine maintenance, panel expansion, or new construction, this 3-pole bolt-on breaker delivers the reliability you need to keep circuits safe and systems running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355416219810,"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_2b759c17-865b-4df7-95cf-e16390cc1858.png?v=1764691972","url":"https:\/\/www.ampstate.com\/products\/square-d-qob315-15a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}