{"product_id":"square-d-phf3612001680-circuit-breaker","title":"Square D | PHF3612001680 | Circuit Breaker | 1200A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D PHF3612001680 circuit breaker—built for serious industrial power protection. This 1200A, 3-pole, 600V bolt-on breaker is designed for maintenance, retrofit, and replacement projects where you need exact specs to match an existing system. When reliability and compatibility matter, this unit delivers a secure, field-ready solution for demanding electrical environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1200 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e PHF3612001680\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this bolt-on breaker stands out\u003c\/h3\u003e\n\u003cp\u003eIn retrofit and replacement scenarios, a bolt-on design provides a robust mechanical connection that stays secure under vibration and load changes. The PHF3612001680 is purpose-built to slot into compatible Square D assemblies, delivering consistent performance where high-current protection is essential. With a precise amperage and voltage rating, it’s tailored for applications that demand a reliable main or feeder protection device in industrial panels, switchgear, and electrical distribution systems.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in existing Square D installations that require exact PHF3612001680 specifications.\u003c\/li\u003e \u003cli\u003eRetrofits in industrial facilities upgrading or upgrading to a 1200A, 600V protection solution.\u003c\/li\u003e \u003cli\u003eMain disconnect or feeder protection in manufacturing lines, data centers, and other high-demand environments.\u003c\/li\u003e \u003cli\u003eField service replacements where panel compatibility is defined by the part number exact match.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm that the panel or switchgear accepts a bolt-on, 3-pole 600V protection device with the PHF3612001680 form factor. The part number is your best reference for compatibility, and ratings must align with the system’s design. Follow all manufacturer torque and mounting guidelines during installation to ensure a secure, reliable connection and proper protection performance.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse this breaker specifically in systems designed for \u003cstrong\u003ePHF3612001680\u003c\/strong\u003e to avoid compatibility issues and ensure proper electrical protection.\u003c\/li\u003e \u003cli\u003eFor retrofit projects, verify the surrounding equipment (bus bars, mounting brackets, and enclosure clearance) supports bolt-on mounting and the 1200 A rating.\u003c\/li\u003e \u003cli\u003eKeep spare parts availability in mind; while the unit is robust, stocking the exact replacement part (PHF3612001680) minimizes downtime if a future service is needed.\u003c\/li\u003e \u003cli\u003eWhen in doubt about fit, consult the panel’s documentation and reference the part number for precise matching.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSpecifically engineered for heavy-duty electrical systems, the Square D PHF3612001680 circuit breaker provides dependable protection with a straightforward bolt-on installation path. If your application requires a 1200A, 3-pole, 600V bolt-on device, this part number is the clear reference for accurate replacement and seamless retrofit compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427081834658,"sku":"PHF3612001680","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/square-d-phf3612001680-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}