{"product_id":"general-electric-sg400f","title":"General Electric SG400F 400A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric SG400F 400A 3-Pole 480 V Circuit Breaker\u003c\/strong\u003e is a robust, industrial-grade solution designed to protect large three-phase electrical systems. Built for reliability in demanding environments, this GE breaker delivers precise overcurrent protection to safeguard equipment, wiring, and personnel in 480 V networks.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 480 V\u003c\/li\u003e \u003cli\u003ePart number: SG400F\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the 3-pole, 480 V design matters\u003c\/h3\u003e\n\u003cp\u003eIn three-phase power distribution, balanced protection across all phases is crucial. The SG400F’s three-pole construction ensures simultaneous interruption of faults in every leg, reducing the risk of uneven loads, equipment damage, or fire hazards. Its 480 V rating makes it a natural fit for industrial and commercial environments where high-voltage three-phase power is the norm.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with large 3-phase feeders, such as manufacturing lines and process plants\u003c\/li\u003e \u003cli\u003eCommercial or data center distribution rooms requiring dependable 400 A protection\u003c\/li\u003e \u003cli\u003eMain or sub-panel protection for 480 V electrical systems in heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overloads and short circuits by interrupting fault currents quickly\u003c\/li\u003e \u003cli\u003eMinimizes downtime and maintenance costs by protecting critical feeders\u003c\/li\u003e \u003cli\u003eProvides reliable, predictable tripping behavior in demanding 480 V environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eWhen selecting this breaker, confirm that your installation environment supports a 3-pole, 480 V configuration and that the panel or distribution system is designed to accommodate a 400 A protection device. For installation, rely on a qualified electrical professional to ensure proper mounting, secure connections, and compliance with local electrical codes.\u003c\/p\u003e \u003cp\u003eUpgrade or stock the General Electric SG400F 400A 3-Pole 480 V Circuit Breaker for dependable, phased protection in high-capacity 480 V systems. It blends durable GE engineering with clear, decisive fault interruption to keep power systems resilient under load and fault conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46423262429346,"sku":"SG400F","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\/general-electric-sg400f","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}