{"product_id":"square-d-hja36150ujyp","title":"Square D HJA36150UJYP 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D HJA36150UJYP 150A 3-Pole 600 V Circuit Breaker delivers reliable, three-phase overcurrent protection for demanding industrial and commercial electrical systems. With a 150-amp current rating, three poles, and a 600-volt maximum, this breaker is engineered to safeguard feeders, motors, and distribution panels where dependable protection matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePart Number: HJA36150UJYP\u003c\/li\u003e \u003cli\u003eCurrent rating: 150 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out in your system\u003c\/h3\u003e\n\u003cp\u003eDesigned to integrate smoothly with Square D panels and enclosures that accept this style, the HJA36150UJYP provides robust protection for three-phase circuits. Its balanced three-pole construction helps ensure synchronized interruption across all phases, reducing the risk of unbalanced loads and equipment damage. Built for reliable performance in real-world conditions, it supports steady operation of industrial feeders and large motors, helping minimize downtime and maintenance costs over the long term.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor circuits in manufacturing equipment, conveyors, and machinery\u003c\/li\u003e \u003cli\u003ePower feeders and distribution lines in commercial or light industrial panels\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in existing Square D installations to restore or enhance protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eBy providing precise overcurrent protection for all three phases, this circuit breaker helps prevent conductor insulation damage, transformer overloads, and motor burnout during overloads or short-circuit events. The result is improved system reliability, reduced equipment wear, and a clearer path to rapid recovery after electrical faults.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your Square D panel or enclosure and ensure the enclosure supports HJA-series breakers.\u003c\/li\u003e \u003cli\u003eConfirm the circuit load requirements align with the 150 A rating to avoid nuisance trips during normal operation.\u003c\/li\u003e \u003cli\u003eFollow standard electrical torque specifications and installation practices to maintain secure connections and optimal trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423182901410,"sku":"HJA36150UJYP","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36150ujyp-150a-3-pole-600-v-circuit-breaker-997.webp?v=1789279913","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150ujyp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}