{"product_id":"qob340gfi","title":"Square D QOB340GFI - 4A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB340GFI — a purpose-built 4 A, 3-Pole circuit breaker crafted to deliver trusted overcurrent protection in demanding electrical environments. This compact, three‑pole design is tailor-made for 3‑phase systems, making it an ideal fit for panelboards, switchboards, and control panels where reliable protection and safe operation are non‑negotiable.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole design matters\u003c\/h3\u003e\n\u003cp\u003eThe 3‑pole configuration simplifies wiring in three‑phase installations and coordinates smoothly with motor control centers and distribution panels. By providing dedicated protection across all three phases, it helps prevent cascading faults, reduces downtime, and supports safer operation of motors, drives, and control circuits in industrial and commercial settings.\u003c\/p\u003e \u003ch3\u003eWhere it shines\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboards and switchboards:\u003c\/strong\u003e Robust protection for multi‑phase feeders, with clear visibility and easy integration into existing Square D ecosystems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControl panels:\u003c\/strong\u003e Protects control circuitry and logic circuits in machines and automated systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMotor control centers (MCCs) and OEM assemblies:\u003c\/strong\u003e Reliable trip performance in environments that demand consistent protection and quick replacement parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUnique value in everyday use\u003c\/h3\u003e\n\u003cp\u003eWhat sets the QOB340GFI apart is its precise 4 A rating paired with a dependable 3‑pole design, delivering targeted protection where small loads or segmented circuits need clean, predictable interruption behavior. This isn’t a generic breaker—it’s a component chosen for predictable performance in distributions that rely on clear, coordinated protection across all phases.\u003c\/p\u003e \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the 4 A rating to the protected load to ensure timely interruption without nuisance tripping.\u003c\/li\u003e \u003cli\u003eStructure installations to maximize accessibility for testing and maintenance within panel areas and MCCs.\u003c\/li\u003e \u003cli\u003ePrefer compatible Square D components to maintain electrical coordination and streamline replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from the QOB340GFI\u003c\/h3\u003e\n\u003cp\u003eEngineers, fabricators, and facilities teams working in industrial, commercial, and OEM environments will appreciate a dependable, three‑phase protection solution that integrates neatly into 3‑pole panel architectures. It’s the right choice when you need clear, consistent overcurrent protection in distribution panels and motor control centers without compromising on space or performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390630252706,"sku":"QOB340GFI","price":1117.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_e7c0b8a9-bdc1-4166-a9b7-de903bc9e502.png?v=1765378623","url":"https:\/\/www.ampstate.com\/products\/qob340gfi","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}