{"product_id":"square-d-hda36125sa-125a-3p-600v-circuit-breaker","title":"Square D HDA36125SA 125A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HDA36125SA\u003c\/strong\u003e is a dependable 125A, 3-pole, 600V circuit breaker designed for robust protection in panelboards, load centers, and electrical distribution systems. Built to support retrofit work and maintenance planning, this part maintains consistency in your fleet so upgrades and replacements stay streamlined.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDA36125SA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3P 125A 600V breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready and maintenance-friendly:\u003c\/strong\u003e The HDA36125SA is ideal when you need to preserve a consistent part number across refurbishment projects, reducing downtime and confusion during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection for demanding systems:\u003c\/strong\u003e With a 125A rating and 3 poles, it provides solid phase protection for three-phase panelboards and distributed electrical networks, helping prevent overcurrent events in commercial and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted performance from Square D:\u003c\/strong\u003e Built to meet the rigorous standards of electrical distribution equipment, ensuring reliable operation in everyday and mission-critical applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eScalable sourcing from AmpState:\u003c\/strong\u003e When you need to stock up for maintenance windows or large retrofit jobs, AmpState offers dependable availability for quick, worry-free procurement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where maintaining the exact part number simplifies inventory management and compatibility checks.\u003c\/li\u003e \u003cli\u003eMaintenance planning for industrial facilities with three-phase panelboards and load centers requiring reliable overcurrent protection at up to 600V.\u003c\/li\u003e \u003cli\u003eRepairs or replacements in electrical distribution setups that demand a proven Square D solution with consistent performance.\u003c\/li\u003e \u003cli\u003eSystems undergoing upgrades that need a clear, standardized 125A protection scheme across multiple panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to confirm fit for your equipment: ensure the panelboard or load center expects a 3-pole, 125A, 600V Square D device in the HDA family. If you’re unsure about compatibility with your current setup, \u003cstrong\u003emessage us\u003c\/strong\u003e and we’ll help you confirm fit and identify the right solution for your project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412989595810,"sku":"HDA36125SA","price":7738.0,"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-hda36125sa-125a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}