{"product_id":"square-d-qhb315-circuit-breaker","title":"Square D | QHB315 | Circuit Breaker | 15A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QHB315\u003c\/strong\u003e Circuit Breaker is a purpose-built protection device engineered for 240V three‑phase systems. With a \u003cstrong\u003e15A, 3‑Pole\u003c\/strong\u003e configuration and a \u003cstrong\u003eBolt‑On\u003c\/strong\u003e mounting style, this breaker is designed for dependable performance in maintenance, retrofit, and replacement projects where exact compatibility matters. Identified by the exact part number \u003cstrong\u003eQHB315\u003c\/strong\u003e, it’s the precise choice when panel alignment and ratings are non‑negotiable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 15A — calibrated to protect circuits without nuisance tripping in typical 240V three‑phase applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole — ideal for distributing protection across a three‑phase circuit in commercial or industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V — suitable for standard 3‑phase distribution in many panels and equipment rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt‑On — engineered for secure, solid attachment to compatible Square D panels where bolt‑on breakers are supported.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference\u003c\/strong\u003e: Part number \u003cstrong\u003eQHB315\u003c\/strong\u003e ensures precise fit in panels designed for this bolt‑on style; confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker excels in scenarios where time‑saving, reliable replacements are critical. Use it for panel maintenance, panel upgrades, or retrofitting older systems to a modern, compliant protection scheme. It’s particularly well suited for facilities that rely on Square D bolt‑on breakers to maintain uninterrupted service in data centers, manufacturing lines, and electrical rooms that operate at 240V three‑phase distribution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose QHB315?\u003c\/strong\u003e Because it’s built to drop into compatible Square D panels with exact 3‑pole, 240V protection in mind. The \u003cem\u003eQHB315\u003c\/em\u003e designation isn’t just a label—it’s your guarantee of correct electrical characteristics, mechanical fit, and the reliability you expect from a trusted brand in industrial and commercial power distribution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, \u003cstrong\u003everify fit and ratings\u003c\/strong\u003e against your panel’s documentation. The part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eDuring installation, ensure all power is fully de‑energized and that proper lockout\/tagout procedures are followed.\u003c\/li\u003e \u003cli\u003eTighten mounting hardware according to your panel manufacturer's torque guidelines to maintain secure operation.\u003c\/li\u003e \u003cli\u003eUse this breaker in environments that match its design intent for 240V three‑phase circuits and bolt‑on mounting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade or replace with confidence using the \u003cstrong\u003eSquare D QHB315\u003c\/strong\u003e 15A, 3‑Pole, 240V bolt‑on circuit breaker—a targeted solution built to meet the demands of professional electrical protection without the guesswork.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426712703138,"sku":"QHB315","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-qhb315-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}