{"product_id":"square-d-hja36125uayp","title":"Square D HJA36125UAYP 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding electrical environments, the Square D HJA36125UAYP 125A 3-Pole 600 V Circuit Breaker provides precise protection for 3-phase systems in industrial and commercial panels. Built to handle high inrush and sustained loads, this 3-pole unit ensures safe interruption when fault current exceeds preset limits, safeguarding wiring and equipment.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HJA36125UAYP\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Square D circuit breaker suitable for 3-phase distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cp\u003eThis 3-pole design provides simultaneous protection across all phases, reducing the risk of unbalanced faults that can damage motors, drives, and other three-phase equipment. The 125 A rating makes it ideal for mid-sized branch circuits or feeders, offering reliable interruption during overloads and short circuits while supporting steady operation in demanding environments.\u003c\/p\u003e \u003ch3\u003eTypical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect 3-phase motors and equipment in manufacturing lines, conveyors, and HVAC systems\u003c\/li\u003e \u003cli\u003eDistribute power in commercial panels that require up to 125 A protection per circuit\u003c\/li\u003e \u003cli\u003eGuard feeders supplying high-draw loads such as pumps, blowers, and large lighting systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy customers choose this model\u003c\/h3\u003e\n\u003cp\u003eChoosing a Square D device means aligning with a proven, industry-standard protection solution. The HJA36125UAYP delivers consistent trip characteristics, rugged construction, and reliable performance under real-world conditions, helping minimize nuisance trips while delivering fast response to electrical faults.\u003c\/p\u003e \u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure panel compatibility with HJA-series devices and 3-pole 125 A protection before installation\u003c\/li\u003e \u003cli\u003eInspect terminals and casing after heavy load cycles to catch signs of wear early\u003c\/li\u003e \u003cli\u003eStore spare units in a dry, ventilated area to maintain optimal contact integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423185850530,"sku":"HJA36125UAYP","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36125uayp-125a-3-pole-600-v-circuit-breaker-429.webp?v=1789280279","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36125uayp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}