{"product_id":"sjk3c300-circuit-breaker","title":"SJK3C300 | Circuit Breaker | 300A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the SJK3C300—an industrial circuit breaker engineered for 480V three-phase power distribution. With a 300A rating across 3 poles, it's built to protect essential equipment in maintenance, retrofit, and replacement projects where precise spec-matching matters.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 300A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the SJK3C300 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSpec-driven compatibility: Use the part number SJK3C300 as the primary reference to ensure a correct fit in your panel and matches existing protective settings.\u003c\/li\u003e \u003cli\u003eDesigned for efficient maintenance and retrofits: A reliable replacement that minimizes downtime when upgrading or replacing infrastructure.\u003c\/li\u003e \u003cli\u003eThree-pole protection: Simultaneous isolation of all three phases improves system safety and continuity of operations in 480V networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for selection and installation\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless integration with your equipment. The part number SJK3C300 is the most definitive reference for compatibility, so cross-check it against your panel’s documentation. Verify that your installation target uses a 480V three-phase supply and requires a 3-pole, 300A breaker.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities performing panel maintenance or capacity upgrades\u003c\/li\u003e \u003cli\u003eRetrofit projects replacing older 3-pole, 480V breakers\u003c\/li\u003e \u003cli\u003eNew installations in systems designed for 480V three-phase distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424430903458,"sku":"SJK3C300","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/sjk3c300-circuit-breaker-300a-3-pole-480v-589.webp?v=1789359139","url":"https:\/\/www.ampstate.com\/products\/sjk3c300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}