{"product_id":"square-d-qo350-50a-240v-3-pole-plug-in-circuit-breaker","title":"Square D QO350 - 50 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QO350 is a 50A, 240V, 3-pole plug-in molded‑case circuit breaker designed to deliver reliable branch‑circuit overcurrent and short‑circuit protection within panelboards and loadcenters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFast plug‑in connection for quick installation and effortless replacement, reducing labor time during panel upgrades or circuit repairs.\u003c\/li\u003e \u003cli\u003eThermal‑magnetic trip unit provides stable, repeatable protection by responding to both overloads and short circuits without nuisance trips during normal surges.\u003c\/li\u003e \u003cli\u003eDesigned for seamless compatibility with matching OEM loadcenters and panelboards, ensuring proper fit and coordinated electrical protection.\u003c\/li\u003e \u003cli\u003eSpecifically suited for residential, commercial, and light industrial environments where dependable 50A protection is required for 240V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QO350\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 50A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards and loadcenters that require a 3-pole, 50A 240V solution\u003c\/li\u003e \u003cli\u003eNew installations in residential service equipment or light commercial electrical rooms\u003c\/li\u003e \u003cli\u003eRetrofits in existing systems where fast replacement minimizes downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its plug-in design and OEM-friendly compatibility, the Square D QO350 delivers a reliable, easy-to-service protection solution that keeps electrical systems safe and compliant. If you’re stocking a service van, performing panel upgrades, or configuring a new loadcenter, this 3-pole 50A breaker is a precise, purpose-built choice for robust branch‑circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355405242530,"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_203a458b-85e4-4877-8d08-038e6adbaa5a.png?v=1764691871","url":"https:\/\/www.ampstate.com\/products\/square-d-qo350-50a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}