{"product_id":"square-d-r3820-circuit-breaker","title":"Square D | R3820 | Circuit Breaker | 1-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D R3820, a 1-pole, 240V plug-in circuit breaker built for dependable protection in compatible panels. This module is purpose-built for maintenance, retrofit, and replacement projects, helping you keep electrical systems safe and compliant without unnecessary downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-In design for straightforward installation in compatible Square D panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Part number R3820 is the best identifier for matching with your panel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal uses:\u003c\/strong\u003e Maintenance, retrofit, and replacement where a 240V, single-pole protection device is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the R3820 for your panel? Its plug-in configuration makes swaps quick and precise, reducing service time and minimizing exposure during maintenance. Built to support 240V circuit protection, it’s a reliable choice for upgrading aging panels or refreshing a faulty breaker in a live system—without sacrificing safety or performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho it's for\u003c\/strong\u003e: electricians performing panel maintenance or retrofits, facilities managers upgrading electrical infrastructure, and homeowners tackling reputable, panel-compatible replacements in Square D installations. If your project requires a single-pole, 240V plug-in breaker with clear compatibility reference, the R3820 is designed to fit your workflow.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for installation and use\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility by matching the exact part number (R3820) with your enclosure’s accepted breakertype list before ordering.\u003c\/li\u003e \u003cli\u003eBefore any work, ensure the main power is off and follow your panel’s safety procedures.\u003c\/li\u003e \u003cli\u003eSeat the breaker firmly in the plug-in slot with a single, decisive press until you hear a secure click.\u003c\/li\u003e \u003cli\u003eUse this breaker for 240V circuits where a single-pole protective device is appropriate and permitted by the panel design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426601586850,"sku":"R3820","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-r3820-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}