{"product_id":"square-d-hda36125ua","title":"Square D HDA36125UA 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36125UA 125A 3-Pole 600V Circuit Breaker — a purpose-built, three-phase protective device designed to guard your power distribution with precision and reliability. Built for industrial and commercial environments, this breaker handles demanding loads while delivering predictable tripping performance when faults occur.\u003c\/p\u003e \u003cp\u003eWhat sets the HDA36125UA apart?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e for balanced 3-phase circuits up to 600 V, ensuring coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A current rating\u003c\/strong\u003e ideal for feeders and segments that require robust overcurrent protection without unnecessary shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility\u003c\/strong\u003e with Square D panels and installations that accept HDA series breakers, simplifying replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability\u003c\/strong\u003e designed to withstand the rigors of daily operation in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification\u003c\/strong\u003e part number HDA36125UA, making ordering, inventory, and maintenance straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 125 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart number: HDA36125UA\u003c\/li\u003e \u003cli\u003eApplication: 3-phase electrical systems within Square D panelware\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection for 3-phase industrial equipment and machinery in manufacturing lines\u003c\/li\u003e \u003cli\u003ePanelboard upgrades or replacements in facilities transitioning to higher voltage distributions\u003c\/li\u003e \u003cli\u003ePower distribution feeders in commercial buildings with 3-phase load profiles\u003c\/li\u003e \u003cli\u003eSystems requiring reliable isolation and rapid fault interruption to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow this breaker supports safer, smarter electrical design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned to deliver dependable overcurrent protection, helping to prevent damage to motors, drives, and feeders\u003c\/li\u003e \u003cli\u003eThree-pole configuration ensures balanced interruption across all phases, reducing the risk of phase imbalance during faults\u003c\/li\u003e \u003cli\u003eEasy to source and replace within existing Square D ecosystems, reducing maintenance complexity and downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re an electrical contractor, facilities manager, or maintenance engineer looking to optimize a 3-phase distribution system, the Square D HDA36125UA 125A 3-Pole 600V Circuit Breaker provides precise protection, straightforward compatibility, and durable performance under demanding conditions. Use it wherever reliable protection for up to 600 V, three-phase loads, and 125 A feeders is required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423574773922,"sku":"HDA36125UA","price":5815.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36125ua","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}