{"product_id":"square-d-r381520-circuit-breaker","title":"Square D | R381520 | Circuit Breaker | 1-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D R381520 1-Pole Circuit Breaker — a precise, purpose-built component for maintenance, retrofit, and replacement in compatible Square D panels. By matching the original specifications, this breaker helps you restore protection quickly without panel rework.\u003c\/p\u003e \u003ch2\u003eWhy choose the Square D R381520 1-Pole Circuit Breaker\u003c\/h2\u003e \u003cp\u003eDesigned for reliability and ease of service, this 1-Pole breaker provides a single interruption path for a circuit, making it ideal for simplified distribution needs in residential or light commercial setups. The 1-Pole configuration keeps wiring straightforward and reduces installation complexity when replacing an existing unit with the same model.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e: The part number R381520 is the best reference for compatibility with your Square D panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement\u003c\/strong\u003e: Specifically suited for service work where matching specs are required to preserve panel protection and warranty alignment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProof of fit before purchase\u003c\/strong\u003e: Confirm fit and ratings against your panel label and catalog prior to ordering to avoid mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and Fit\u003c\/h2\u003e \u003cp\u003eBefore ordering, verify that your panel accepts the R381520 model. The part number is the most reliable compatibility reference, and cross-checking against your panel’s labeling or Square D catalog helps prevent incorrect replacements.\u003c\/p\u003e \u003ch2\u003eIdeal Use Scenarios\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eReplacing a failed or worn-out breaker in a Square D distribution panel that specifies R381520.\u003c\/li\u003e \u003cli\u003eRetrofits where a 1-Pole protection solution is needed to maintain circuit safety without altering upstream wiring.\u003c\/li\u003e \u003cli\u003eMaintenance cycles where quick part swaps minimize downtime in residential or light commercial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical Tips\u003c\/h2\u003e \u003cp\u003eKeep a spare R381520 on hand for routine service and emergency replacements. When planning a replacement, have the panel label handy to confirm that R381520 matches the required specifications for your specific panel series.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426747830434,"sku":"R381520","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-r381520-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}