{"product_id":"square-d-qhb325-25a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QHB325 - 25 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable branch circuit protection, the Square D QHB325 is a 25-amp, 240-volt, 3-pole bolt-on molded case circuit breaker built to defend panelboards and loadcenters from overcurrent and short circuits. Its secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, maintaining electrical integrity even in demanding environments.\u003c\/p\u003e \u003ch2\u003eWhy the QHB325 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: A tight, vibration-resistant installation that stays solid over time, reducing loose connections and re-trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection by automatically responding to both overcurrent and short-circuit conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e: Provides coordinated protection for 240V systems, ideal for multi-phase circuits and equipment with balanced loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case reliability\u003c\/strong\u003e: Rugged construction purpose-built for continuous service in panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Designed to pair with matching Square D OEM loadcenters and panelboards for a seamless fit and dependable operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 25A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\/Part:\u003c\/strong\u003e Square D, QHB325\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cp\u003eThis breaker is designed for \u003cstrong\u003ebranch circuit overcurrent and short-circuit protection\u003c\/strong\u003e in a range of settings. It’s an excellent upgrade or replacement component for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential panelboards where reliable protection and compact, secure mounting are priorities\u003c\/li\u003e \u003cli\u003eCommercial electrical panels that require durable, vibration-resistant performance\u003c\/li\u003e \u003cli\u003eLight industrial electrical assemblies that demand stable, repeatable trip characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation, compatibility, and practical insights\u003c\/h2\u003e\n\u003cp\u003eWith its bolt-on mounting, the QHB325 is straightforward to install in compatible Square D panelboards and loadcenters, ensuring a solid bus connection that minimizes movement-related wear. The thermal-magnetic trip mechanism provides immediate protection against short circuits while accommodating normal inrush currents, helping prevent nuisance trips during startup. When selecting a replacement or addition, choosing the QHB325 helps you maintain a cohesive protection scheme throughout the electrical system.\u003c\/p\u003e \u003ch2\u003ePerformance you can rely on\u003c\/h2\u003e\n\u003cp\u003eIn everyday operation, this device guards circuits against overloads and faults with precision. Its 3-pole configuration suits 240V systems that require synchronized protection across multiple conductors, while the molded case design offers durability in challenging environments. For facilities seeking a dependable, OEM-compatible solution that aligns with standard panelboard configurations, the QHB325 delivers predictable, repeatable protection every time.\u003c\/p\u003e \u003ch2\u003eWho should consider this breaker?\u003c\/h2\u003e\n\u003cp\u003eIdeal for electricians, facility managers, and property technicians who need a trustworthy, OEM-compatible, bolt-on circuit breaker that performs consistently in panelboards and loadcenters across residential, commercial, and light industrial settings. If you’re upgrading an existing installation or stocking spare parts for service readiness, the Square D QHB325 provides a robust, long-lasting protection option.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355391611042,"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_f8f3cef6-17da-4567-a7de-07313bd694ed.png?v=1764691748","url":"https:\/\/www.ampstate.com\/products\/square-d-qhb325-25a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}