{"product_id":"square-d-hla36150u31xaa","title":"Square D HLA36150U31XAA 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eHLA36150U31XAA\u003c\/strong\u003e, a rugged \u003cstrong\u003e150 A\u003c\/strong\u003e circuit breaker engineered for reliable three-phase protection in demanding electrical environments. With a \u003cstrong\u003e3-pole\u003c\/strong\u003e design and a \u003cstrong\u003e600 V\u003c\/strong\u003e maximum rating, this breaker is purpose-built to safely interrupt and isolate fault currents across all three phases, helping safeguard motors, panels, and connected equipment.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned by Square D to deliver consistent performance in commercial and light industrial applications, the HLA36150U31XAA provides precise overcurrent protection for three-phase circuits. The \u003cstrong\u003e150 A\u003c\/strong\u003e rating pairs with its \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration to ensure simultaneous disconnection of all phases, reducing risk of phase-to-phase faults and equipment damage. The \u003cstrong\u003e600 V\u003c\/strong\u003e rating broadens its suitability for higher-voltage distribution scenarios, making it a dependable choice for panel boards and distribution systems that require robust protection without compromise.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HLA36150U31XAA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase power distribution in commercial buildings and light industrial facilities\u003c\/li\u003e \u003cli\u003eProtection for motor control circuits and feeders in panels designed for 600 V systems\u003c\/li\u003e \u003cli\u003eReplacement or upgrade of aging or undersized breakers in Square D panel boards to maintain consistent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it helps you manage risk\u003c\/h3\u003e\n\u003cp\u003eThe 3-pole configuration ensures that all live conductors are simultaneously disconnected during a fault, which minimizes residual energy and helps prevent dangerous arc events. By selecting a breaker that matches your system’s three-phase architecture, you gain predictable tripping behavior and alignment with standard electrical distributions used in many commercial and industrial environments.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installation and compatibility\u003c\/h3\u003e\n\u003cp\u003eUse this breaker in panels and systems rated for 600 V and compatible with Square D components. The \u003cstrong\u003eHLA36150U31XAA\u003c\/strong\u003e designation ensures you’re selecting the exact replacement or upgrade for existing installations that specify this part number, helping eliminate guesswork during maintenance or expansion projects. Follow the manufacturer’s installation guidelines and torque specifications to maintain optimal performance and safety.\u003c\/p\u003e \u003cp\u003eWhether you’re upgrading an existing three-phase feeder, protecting critical machinery, or expanding a distribution panel, the Square D \u003cstrong\u003eHLA36150U31XAA\u003c\/strong\u003e 150 A, 3-Pole, 600 V circuit breaker is a precise, dependable choice for robust electrical protection that keeps systems running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423286349986,"sku":"HLA36150U31XAA","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hla36150u31xaa-150a-3-pole-600-v-circuit-breaker-507.webp?v=1789292091","url":"https:\/\/www.ampstate.com\/products\/square-d-hla36150u31xaa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}