{"product_id":"square-d-kh36090-black-circuit-breaker","title":"Square D | KH36090-BLACK | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D KH36090-BLACK, a purpose-built circuit breaker engineered for reliability in demanding electrical environments. With a 90A rating and a 3-pole design, this unit provides coordinated protection across three hot conductors, making it ideal for 3-phase systems up to 600V. Built by Square D, it embodies the trusted performance you need for critical power distribution, motor controls, and commercial\/industrial panels.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 90 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003ePart Number: KH36090-BLACK\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means for your system\u003c\/h3\u003e\n\u003cp\u003eThe 3-pole configuration ensures simultaneous interruption of all three phase conductors, delivering consistent protection for three-phase circuits. The 90A capacity accommodates moderate load scenarios, while the 600V rating aligns with typical commercial and industrial power distribution standards. Using the KH36090-BLACK helps preserve panel integrity, reduce downtime, and enhance safety during fault events.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service upgrades in existing Square D panels\u003c\/li\u003e \u003cli\u003eRetrofit projects requiring exact spec matching for seamless replacement\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed breakers in compatible 3-phase, 600V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose KH36090-BLACK\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBest reference for compatibility is the part number KH36090-BLACK—use it to confirm fitment against your panel catalog\u003c\/li\u003e \u003cli\u003eConsistent Square D protection with proven trip reliability\u003c\/li\u003e \u003cli\u003eClear, specification-driven selection for maintenance planning and inventory management\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant note: confirm the exact fit and ratings for your panel before ordering. The KH36090-BLACK is designed to match specific Square D configurations, and using the correct part number ensures you receive a compatible, safe, and effective solution for your 3-phase, 600V electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426360873122,"sku":"KH36090-BLACK","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-kh36090-black-circuit-breaker-90a-3-pole-600v-954.webp?v=1789563428","url":"https:\/\/www.ampstate.com\/products\/square-d-kh36090-black-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}