{"product_id":"square-d-kap36090-circuit-breaker","title":"Square D | KAP36090 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D KAP36090 Circuit Breaker—a rugged, three‑pole, 90‑amp device rated for 600V, built to protect three‑phase power for industrial and commercial systems. Designed for maintenance, retrofit, and replacement projects where exact specs matter, this breaker ensures you can keep critical equipment protected without overhauling your panel architecture.\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 rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e KAP36090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility, and this breaker is intended for panels and enclosures designed to accept Square D KAP style devices. Use this as your primary replacement or retrofit choice when your system requires a 3‑pole, 90A, 600V breaker.\u003c\/p\u003e \u003ch3\u003eWhat it does for your system\u003c\/h3\u003e\n\u003cp\u003eThis 3‑pole breaker provides coordinated protection across all three phases, helping to isolate faults and protect motors, drives, and other three‑phase equipment. It supports safe, quick shutdown during overloads or short circuits, reducing downtime and damage in demanding environments.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3‑pole breaker in existing Square D panels that require a KAP36090.\u003c\/li\u003e \u003cli\u003eRetrofitting a three‑phase distribution system with reliable, precise 90A protection at 600V.\u003c\/li\u003e \u003cli\u003eKeeping a field spare on hand for maintenance on industrial equipment such as pumps, conveyors, CNC machines, or HVAC systems.\u003c\/li\u003e \u003cli\u003ePlanning panel upgrades where matching the exact part number ensures seamless compatibility and code compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for seamless upgrade and reliability\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel’s compatibility list and bus configuration to ensure perfect fit with KAP36090.\u003c\/li\u003e \u003cli\u003eCheck that your system’s voltage and load requirements align with a 600V, 90A three‑pole protection scheme.\u003c\/li\u003e \u003cli\u003eKeep the exact part number (KAP36090) on hand as the most reliable reference when ordering replacements or spares.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426363166882,"sku":"KAP36090","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-kap36090-circuit-breaker-90a-3-pole-600v-545.webp?v=1789563936","url":"https:\/\/www.ampstate.com\/products\/square-d-kap36090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}