{"product_id":"square-d-kal36000m1021-circuit-breaker","title":"Square D | KAL36000M1021 | Circuit Breaker | 250A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D KAL36000M1021 circuit breaker—a robust, ready-to-install solution engineered for high-demand electrical environments. With a 250A rating across 3 poles and a 600V insulation capability, this breaker is built to protect heavy-duty distribution lines while fitting seamlessly into maintenance, retrofit, and replacement projects that require exact specifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250A\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 Part number KAL36000M1021\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out for professionals tackling real-world power systems:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong precise compatibility for upgrades and replacements:\u003e The KAL36000M1021 designation is the best reference when matching existing panels and gear, helping avoid fitment surprises during retrofits or service events.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong reliable protection for multi-phase circuits:\u003e A 3-Pole design ensures balanced protection across all phases in 600V systems, reducing the risk of uneven loading and equipment damage.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear maintenance and retrofit pathway:\u003e Specifically described for maintenance, retrofit, and replacement needs, this breaker is a practical choice when the goal is to restore or upgrade a legacy setup without altering the electrical topology.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong durable construction for demanding environments:\u003e Built to handle continuous operation in industrial or commercial electrical boards where high-current protection is essential.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios include:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRoutine maintenance where existing Square D panels require a like-for-like 250A, 3-pole, 600V protection component.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading distribution panels to maintain consistent 600V performance across all live phases.\u003c\/li\u003e \u003cli\u003eReplacement of worn or damaged breakers in systems that rely on a precise part number for reliability and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to approach compatibility with confidence:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings for your panel or enclosure. The part number KAL36000M1021 serves as the strongest compatibility reference.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth installation and lasting performance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEnsure the power is fully de-energized and the system is safely isolated before replacement.\u003c\/li\u003e \u003cli\u003eVerify that the panel’s labeling and field service practices align with the 600V, 3-Pole 250A requirements of this unit.\u003c\/li\u003e \u003cli\u003eHave the original part number handy during service checks to prevent mis-matches in complex multi-breaker assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427251277986,"sku":"KAL36000M1021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-kal36000m1021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}