{"product_id":"square-d-hja36125ujyp","title":"Square D HJA36125UJYP 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HJA36125UJYP\u003c\/strong\u003e is a rugged, 125 A, 3-pole circuit breaker designed to safeguard demanding three-phase power systems up to 600 V. Engineered by Square D, this compact unit slides neatly into compatible panels, delivering dependable overcurrent protection for motors, feeders, and critical loads across commercial and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e125 A current rating\u003c\/strong\u003e protects circuits carrying up to 125 amps, helping prevent insulation damage, overheating, and costly equipment downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e supports standard three‑phase power, providing synchronized disconnection across all phases to protect motors and equipment from phase faults or imbalances.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V voltage rating\u003c\/strong\u003e accommodates higher voltage distribution common in industrial settings, while preserving reliable interrupting performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-friendly compatibility\u003c\/strong\u003e is built to integrate seamlessly with Square D panels and the broader Square D protection lineup, reducing installation guesswork and ensuring consistent protection throughout your electrical system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction and reliable operation\u003c\/strong\u003e deliver steady trip characteristics and long-term service in challenging environments, helping you minimize unplanned outages and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e include motor start-stop protection for conveyors, pumps, compressors, HVAC equipment, and other three-phase machinery fed from distributions up to 600 V. It’s a solid choice for facilities managers and electricians who value precise protection, straightforward replacement in existing Square D installations, and reduced panel downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho should consider this model?\u003c\/strong\u003e technicians and engineers responsible for electrical distribution in manufacturing floors, logistics centers, office complexes with three-phase systems, and any setup requiring robust 3‑pole protection at 125 A and 600 V.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for getting the most from this breaker\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm panel compatibility and ensure correct mounting and bus alignment within your Square D enclosure.\u003c\/li\u003e \u003cli\u003eVerify conductor sizing and wiring configuration to support a 125 A load while maintaining safe voltage margins up to 600 V.\u003c\/li\u003e \u003cli\u003eLabel the protection device clearly in the electrical panel schedule for quick fault isolation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423185621154,"sku":"HJA36125UJYP","price":510.0,"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-hja36125ujyp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}