{"product_id":"square-d-hdl36125-125a-3p-circuit-breaker","title":"Square D HDL36125 125A 3P Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HDL36125 125A 3-Pole Circuit Breaker\u003c\/strong\u003e is a purpose-built protection device for panelboards, load centers, and electrical distribution systems. With a 125-amp rating and three poles, this 3P breaker is designed to safeguard three-phase circuits, delivering dependable overcurrent protection where it matters most.\u003c\/p\u003e \u003cp\u003eEngineered for a direct part-number match, HDL36125 simplifies replacement in existing installations. For maintenance teams, panel builders, and spare inventory managers, this means faster swaps, reduced downtime, and fewer compatibility questions on the job. If you’re unsure about fit, \u003cem\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect compatibility with systems that specify HDL36125, ensuring precise electrical and physical fit.\u003c\/li\u003e \u003cli\u003e125 A rating provides strong protection for circuits with moderate-to-high load requirements.\u003c\/li\u003e \u003cli\u003eThree-pole design supports three-phase distribution, helping balance loads and simplify panel wiring.\u003c\/li\u003e \u003cli\u003eReliability built by Square D, a trusted name in electrical protection and panel distribution.\u003c\/li\u003e \u003cli\u003eAvailable from AmpState, making it straightforward to source as part of maintenance or spare-inventory programs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn HDL36125 in existing Square D panelboards and load centers.\u003c\/li\u003e \u003cli\u003eStocking spare parts for panel builders and service teams to minimize on-site downtime.\u003c\/li\u003e \u003cli\u003eSpecifying a ready-to-install, three-phase protection solution for new electrical distribution projects that require a 125A, 3-pole breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: HDL36125\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 125 A\u003c\/li\u003e \u003cli\u003ePoles: 3 (3-Pole)\u003c\/li\u003e \u003cli\u003eApplications: Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAvailability and support: HDL36125 is available from AmpState. If you need a quick compatibility check or want to confirm fit for a specific panel model, reach out—the team can verify the match and ensure a seamless replacement path for your project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410890018978,"sku":"HDL36125","price":3337.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-hdl36125-125a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}