{"product_id":"general-electric-c440lsir","title":"General Electric C440LSIR 4000A 3-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric C440LSIR 4000A 3-Pole Circuit Breaker — a high-capacity protection device designed for demanding industrial electrical systems. With a 4000-ampere current rating and a three-pole configuration, this GE breaker delivers reliable, coordinated protection for three-phase power feeds, helping to safeguard motors, feeders, and distribution equipment from overloads and short circuits.\u003c\/p\u003e \u003ch3\u003eWhy this 3-Pole GE breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection\u003c\/strong\u003e: 4000 A rating provides robust protection for heavy-duty applications, reducing the risk of equipment damage during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase reliability\u003c\/strong\u003e: The 3-pole design ensures simultaneous disconnection of all phases, which is essential for balanced protection in industrial power systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: Part number C440LSIR ensures proper fit and function within GE panels and systems designed to accept this model.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined maintenance\u003c\/strong\u003e: With a GE-engineered form factor, this breaker integrates smoothly into existing GE-based electrical distributions, simplifying replacement and servicing tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with large motor loads and heavy feeders that require dependable three-phase protection.\u003c\/li\u003e \u003cli\u003ePower distribution panels in manufacturing lines, processing plants, and utility rooms where space and reliability matter.\u003c\/li\u003e \u003cli\u003eSystems needing a single, centralized protection device to guard multiple three-phase circuits without intricate interconnections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 4000 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003ePart number: C440LSIR\u003c\/li\u003e \u003cli\u003eManufacturer: General Electric (GE)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations for purchase and installation\u003c\/h3\u003e\n\u003cp\u003eBefore you buy, confirm that your panel or system is designed to accommodate the C440LSIR 3-Pole configuration and GE’s mounting footprint. This model is tailored for high-current, three-phase protection, so ensure your electrical design calls for a 4000 A device and that the installation environment matches standard industrial conditions. For technicians, this part represents a straightforward replacement within GE ecosystems, helping to minimize downtime during maintenance or upgrades.\u003c\/p\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eBy providing a coordinated, three-phase shutoff under overload or fault conditions, the C440LSIR helps protect expensive motors and feeders from damage, reduce arc exposure, and maintain safer, more reliable power distribution in demanding environments. It’s a practical, purpose-built solution when downtime is costly and equipment demands robust protective coordination.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46423334027426,"sku":"C440LSIR","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-c440lsir-4000a-3-pole-circuit-breaker-976.webp?v=1789297841","url":"https:\/\/www.ampstate.com\/products\/general-electric-c440lsir","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}