{"product_id":"square-d-hda36125uj","title":"Square D HDA36125UJ 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSquare D HDA36125UJ\u003c\/strong\u003e 125A 3-Pole 600 V Circuit Breaker—precision protection for demanding electrical systems. With a clear part number of \u003cstrong\u003eHDA36125UJ\u003c\/strong\u003e, this three-pole breaker is built to guard multi‑phase circuits, delivering reliable overcurrent protection up to \u003cstrong\u003e125 amps\u003c\/strong\u003e and handling voltages up to \u003cstrong\u003e600 V\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003eDesigned for professional use in commercial and industrial environments, this Square D component integrates seamlessly where a 3‑pole configuration is required. The combination of a 125A rating, 3 poles, and a 600 V maximum rating makes it an ideal choice for feeders, motor circuits, and other high‑demand applications where predictable, fast interruption matters.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for 3‑phase systems:\u003c\/strong\u003e Protects all conductors in a three‑phase circuit, promoting balanced protection across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A continuous protection:\u003c\/strong\u003e Calibrated to interrupt overcurrent quickly while allowing normal operation up to the rated current.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum rating:\u003c\/strong\u003e Suitable for higher‑voltage distribution in industrial settings, enabling safe operation of demanding equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility with Square D panels:\u003c\/strong\u003e Streamlines installation for technicians who rely on dependable, consistently engineered components from a trusted brand.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases include powering heavy machinery on factory floors, protecting HVAC and pumping systems, and serving as a main or feeder breaker in commercial electrical rooms. If you’re stocking spare parts for service calls or refreshing an electrical distribution setup, the HDA36125UJ provides dependable, predictable protection that professionals trust.\u003c\/p\u003e \u003cp\u003eFor ordering and installation, confirm that your panel requires a 3‑pole configuration and matches the 125A, 600 V specifications. With its exact combination of ratings and a heritage of proven performance, this Square D breaker is a precise, reliable choice for robust three‑phase protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423574642850,"sku":"HDA36125UJ","price":5864.0,"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-hda36125uj","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}