{"product_id":"square-d-rja36120cu44a-circuit-breaker","title":"Square D | RJA36120CU44A | Circuit Breaker | 1200A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D RJA36120CU44A circuit breaker — a precise, genuine protection solution designed for demanding electrical systems. With a rated current of 1200A and a voltage rating of 600V, this device delivers dependable overcurrent protection for large-scale panels and feeders, helping prevent equipment damage and downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: Part number RJA36120CU44A is your best reference for fit in compatible Square D panels and assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection\u003c\/strong\u003e: 1200A protection supports substantial load profiles typical in industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage readiness\u003c\/strong\u003e: 600V rating makes it suitable for commercial and industrial distribution circuits requiring higher-voltage protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use\u003c\/strong\u003e: Ideal for maintenance, retrofit, and replacement projects where specs must precisely match existing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can count on\u003c\/strong\u003e: Genuine Square D construction ensures consistent trip performance and long service life in challenging conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to use and what to expect:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings against your panel or switchgear documentation. The part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003ePlan for replacement during scheduled maintenance to minimize downtime. This breaker is designed to drop in where the panel supports the RJA36120CU44A family and associated frame type.\u003c\/li\u003e \u003cli\u003eInstallation should be performed by a qualified electrician following applicable electrical codes and safety practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this part?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFacilities managers and electrical contractors maintaining or upgrading large commercial or industrial electrical rooms.\u003c\/li\u003e \u003cli\u003eOperations teams seeking to standardize spare parts with a single, trusted model to reduce ordering confusion.\u003c\/li\u003e \u003cli\u003eRetrofit projects where ongoing protection relies on Square D equipment and precise slot compatibility is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompared to generic replacements, the RJA36120CU44A offers:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAssured compatibility with Square D panels that support this exact part number.\u003c\/li\u003e \u003cli\u003ePredictable electrical performance backed by Square D engineering standards.\u003c\/li\u003e \u003cli\u003eStreamlined procurement—ensuring the protective device matches existing equipment to avoid misfit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 1200A\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: RJA36120CU44A\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427456962722,"sku":"RJA36120CU44A","price":112437.0,"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-rja36120cu44a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}