{"product_id":"kb3090s-circuit-breaker","title":"KB3090S | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe KB3090S Circuit Breaker is engineered for demanding industrial environments, delivering reliable overcurrent protection for three‑phase, 600V systems. With a 90A rating and a 3‑pole configuration, this unit is built to slot into panels and switchgear that require exact spec alignment—minimizing downtime and protecting downstream equipment.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference\u003c\/strong\u003e: KB3090S for compatibility checks\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the KB3090S\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect-fit replacement for systems designed around a 90A, 3‑pole, 600V circuit breaker.\u003c\/li\u003e \u003cli\u003eIdeal for \u003cstrong\u003emaintenance\u003c\/strong\u003e, \u003cstrong retrofit\u003e, and \u003cstrong\u003ereplacement\u003c\/strong\u003e projects where exact specs matter.\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eBest safety and compatibility reference: rely on the \u003cstrong\u003eKB3090S\u003c\/strong\u003e part number to confirm fit with your panel or switchgear.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it protects your system\u003c\/h3\u003e\n\u003cp\u003eThe KB3090S provides fast, reliable interruption of fault currents, isolating the affected circuit to prevent damage to wiring, motors, and downstream devices. In mixed 3‑phase setups, a correctly rated 90A breaker ensures balanced protection and predictable tripping behavior during overloads or short circuits.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service on industrial panels that require a 90A, 3‑pole, 600V device.\u003c\/li\u003e \u003cli\u003eRetrofits in aging control panels to restore modern protection without changing the surrounding infrastructure.\u003c\/li\u003e \u003cli\u003eReplacement in equipment racks and switchgear where the existing breaker matches the KB3090S specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and practical tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings against your equipment. The part number is the most reliable reference—KB3090S aligns with panels and gear designed for 90A, 3‑pole, 600V protection. When in doubt, compare the panel label, cross‑reference sheets, and the existing breaker’s amperage, pole count, and voltage rating to ensure a seamless swap.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eElectrical contractors, facilities engineers, and maintenance teams overseeing industrial distribution and switchgear will appreciate the precise compatibility of the KB3090S for scheduled outages, retrofits, or emergency replacements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426164756642,"sku":"KB3090S","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/kb3090s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}