{"product_id":"square-d-hjl36100u31x-circuit-breaker","title":"Square D | HJL36100U31X | Circuit Breaker | 100A | 3-Pole | 600V | 25kA","description":"\u003cdiv\u003e\n\u003cp\u003eIn demanding industrial environments, protection and reliability go hand in hand. The Square D \u003cstrong\u003eHJL36100U31X\u003c\/strong\u003e Circuit Breaker delivers precise 100 A protection in a robust 3-pole package, engineered for up to 600 V systems with a 25 kA short-circuit rating. Designed for maintenance, retrofit, and replacement projects, this breaker ensures your distribution network stays guarded against overloads and faults without compromising performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity\u003c\/strong\u003e: 25 kA\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this specific Square D breaker matters\u003c\/p\u003e \u003cp\u003eThe HJL36100U31X is more than a generic protection device. Its \u003cstrong\u003e3-pole configuration\u003c\/strong\u003e makes it ideal for three-phase feeders that power motors, conveyors, and large equipment in industrial settings. With a \u003cstrong\u003e600 V rating\u003c\/strong\u003e, it’s suitable for higher-voltage distribution networks, while the \u003cstrong\u003e25 kA interrupting capacity\u003c\/strong\u003e provides a meaningful safety margin against severe fault events. This combination translates to dependable shutdowns when needed and minimal nuisance trips in everyday operation.\u003c\/p\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance, retrofit, or replacement in existing Square D panels or enclosures that specify the HJL36100U31X part family.\u003c\/li\u003e \u003cli\u003eProtection for three-phase motor feeders and other 3-phase loads in manufacturing, processing, or distribution environments.\u003c\/li\u003e \u003cli\u003eSpare or replacement stock for service fleets servicing industrial electrical distributions that require exact-specification breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant compatibility notes\u003c\/p\u003e \u003cp\u003eTo ensure safe, reliable operation, \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e. The part number \u003cstrong\u003eHJL36100U31X\u003c\/strong\u003e is the most reliable reference for compatibility with your panel, enclosure, and wiring scheme. If your documentation or label specifies this exact part, you’re aligned for a straightforward replacement that preserves your original protection strategy.\u003c\/p\u003e \u003cp\u003eWhy choose Square D for this application\u003c\/p\u003e \u003cp\u003eSquare D is a long-standing standard in industrial electrical protection, known for consistency, widespread availability, and alignment with common panel and equipment specifications. The HJL36100U31X upholds that tradition, delivering predictable performance in critical power-distribution roles while simplifying service and maintenance with a familiar form factor and electrical characteristics.\u003c\/p\u003e \u003cp\u003ePractical tips for use\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKeep records of panel and breaker documentation so future maintenance can quickly verify part compatibility.\u003c\/li\u003e \u003cli\u003eWhen replacing, inspect the surrounding wiring and terminals for wear or corrosion and address as needed to maintain a solid, safe connection.\u003c\/li\u003e \u003cli\u003eIf you’re upgrading from a lower amperage or different pole configuration, plan for any feeder conductor and bus bar adjustments required by your panel model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424498733218,"sku":"HJL36100U31X","price":5016.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hjl36100u31x-circuit-breaker-100a-3-pole-600v-25ka-267.webp?v=1789372213","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36100u31x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}