{"product_id":"square-d-sdt220-circuit-breaker","title":"Square D | SDT220 | Circuit Breaker | 20A | 2-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D SDT220 circuit breaker—an exacting 20A, 2-pole device crafted for 240V circuits. This plug-in breaker is designed for maintenance, retrofit, and replacement projects where precise specifications matter, helping you restore reliable protection with minimal downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy the SDT220 stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in convenience:\u003c\/strong\u003e Quick snap-in installation into compatible Square D panels, reducing service time during routine maintenance or quick replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, 240V protection:\u003c\/strong\u003e Ensures both hot legs disconnect together, delivering safer shutoff for 240V circuits and associated equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpecific compatibility reference:\u003c\/strong\u003e The SDT220 part number is your best guide for compatibility—match it to your panel’s requirements and ratings to avoid mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm your panel accepts a plug-in SDT-series breaker with the same ratings. Using the exact SDT220 reference helps ensure proper fit and safe operation in your setup.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacement: Swap in a worn or tripping breaker in a compatible Square D panel without reconfiguring the entire distribution system.\u003c\/li\u003e \u003cli\u003eMaintenance and retrofit: Update aging equipment or circuits that require a 20A, 240V, two-pole plug-in solution.\u003c\/li\u003e \u003cli\u003eNew 240V circuits: Implement reliable protection for additional 240V loads that run on a 20A profile.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePower down the main before removing or installing the breaker, and verify absence of voltage where you’ll work.\u003c\/li\u003e \u003cli\u003eDouble-check panel compatibility and the SDT220’s ratings to ensure proper circuit protection and compliance with your installation’s requirements.\u003c\/li\u003e \u003cli\u003eKeep the SDT220 part number handy for future replacements or retrofits to maintain consistent performance across your panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426624753826,"sku":"SDT220","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-sdt220-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}