{"product_id":"square-d-hda36150u43xaa","title":"Square D HDA36150U43XAA 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36150U43XAA—a high-capacity, three-pole circuit breaker built for demanding 3‑phase power environments. With a 150 A rating and a 600 V maximum voltage, this part delivers robust protection for commercial and industrial electrical systems, helping safeguard wiring, equipment, and uptime from overloads and short circuits.\u003c\/p\u003e \u003ch3\u003eKey characteristics\u003c\/h3\u003e\n\u003cul\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 for three-phase circuits\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e up to 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDA36150U43XAA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-pole design matters\u003c\/h3\u003e\n\u003cp\u003eThree-pole protection ensures all phases in a three‑phase system are safeguarded evenly, reducing the risk of unbalanced faults that can damage motors and equipment. This makes the HDA36150U43XAA a reliable choice for panels and distribution systems where consistent, coordinated interruption is essential.\u003c\/p\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with 3‑phase machinery and heavy loads\u003c\/li\u003e \u003cli\u003eCommercial buildings that rely on three-phase power distribution\u003c\/li\u003e \u003cli\u003ePanel upgrades, replacements, or new installations requiring a Square D 150 A, 3‑pole, 600 V breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse scenarios and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongmotor protection alignment:\u003e Provides dependable fault interruption in circuits powering large motors and drive systems.\u003c\/strongmotor\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongpanel compatibility:\u003e Fits standard Square D installations designed for this part number, enabling straightforward substitution or upgrade.\u003c\/strongpanel\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongsystem reliability:\u003e By limiting fault current across all phases, it helps minimize equipment wear and potential downtime from electrical faults.\u003c\/strongsystem\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways reference manufacturer installation guidelines and ensure your panel supports this specific part number.\u003c\/li\u003e \u003cli\u003eVerify correct trip characteristics and torque compliance per your panel’s specification sheet.\u003c\/li\u003e \u003cli\u003eInspect and replace in‑line with matching Square D components to maintain electrical system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose Square D HDA36150U43XAA\u003c\/h3\u003e\n\u003cp\u003eThis part number offers a precise, proven solution for protecting high‑current, three‑phase circuits at voltages up to 600 V. Choosing a familiar, compatibility-focused unit like the HDA36150U43XAA helps ensure reliable performance, easier maintenance, and consistent availability for replacement needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423330980002,"sku":"HDA36150U43XAA","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-hda36150u43xaa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}