{"product_id":"square-d-pkl36100cu43a-circuit-breaker","title":"Square D | PKL36100CU43A | Circuit Breaker | 1000A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D | PKL36100CU43A | Circuit Breaker | 1000A | 3-Pole\u003c\/p\u003e\n\u003cp\u003eMeet the Square D PKL36100CU43A, a purpose-built 3-pole circuit breaker engineered for demanding electrical environments. With a 1000A rating, this unit delivers dependable overcurrent protection for three-phase systems, making it an essential choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eWhy this model stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1000A amperage rating\u003c\/strong\u003e provides strong protection for high-load feeders and critical equipment, helping safeguard your infrastructure from overloads and faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports three-phase distribution, ensuring coordinated protection across all conductors for balanced, safe operation in industrial and commercial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e — the PKL36100CU43A part number is the best reference for fitment. Always verify this exact model against your panel’s ratings and mounting arrangement before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and servicing of legacy panels that require the specific PKL36100CU43A specification.\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to a 1000A, three-pole solution is needed to support expanding loads.\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed breakers in commercial or industrial environments that demand exact compatibility to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and compatibility notes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, confirm that your panel and bus configuration align with this unit’s ratings and physical form. The PKL36100CU43A part number should be your primary compatibility reference.\u003c\/li\u003e \u003cli\u003eFor safe and reliable operation, rely on a qualified electrician for proper torque, terminations, and wiring practices when installing this high-current protective device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eOperational context and practical insights\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned for three-phase systems, this breaker helps maintain balanced protection across all phases, reducing the risk of uneven loading.\u003c\/li\u003e \u003cli\u003eChoosing the exact PKL36100CU43A variant simplifies inventory, ordering, and future replacements by providing a single, unambiguous reference for compatibility.\u003c\/li\u003e \u003cli\u003eIts high-current capability makes it suitable for critical feeders and equipment where consistent protection is non-negotiable.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 1000A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003ePart number: PKL36100CU43A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427508080802,"sku":"PKL36100CU43A","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-pkl36100cu43a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}