{"product_id":"thomas-betts-tb320-circuit-breaker","title":"Thomas \u0026 Betts | TB320 | Circuit Breaker | 20A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the TB320, a dependable Thomas \u0026amp; Betts circuit breaker designed to guard 240V, 3‑pole circuits with a precise 20A rating. Built for maintenance, retrofit, and replacement work, this unit slides into panels where exact specifications matter, delivering consistent protection when it counts.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose TB320?\u003c\/strong\u003e The part number TB320 is the best reference for compatibility. Always confirm fit and ratings before ordering to ensure seamless integration with your panel or equipment and to avoid unexpected downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Thomas \u0026amp; Betts\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e TB320\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in 240V, 3-pole panel configurations to restore or upgrade protection\u003c\/li\u003e \u003cli\u003eReplacement projects where exact 20A, 3-pole, 240V specs are required\u003c\/li\u003e \u003cli\u003eMaintenance workflows in commercial or light-industrial environments that rely on dependable circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it practical\u003c\/h3\u003e\n\u003cp\u003eChoosing the TB320 means opting for a manufacturer-backed solution that aligns with established electrical standards. It minimizes guesswork during installation and helps maintain panel performance across service intervals. If your system demands precise 20A, 3‑pole, 240V protection, this TB320 unit provides a reliable, drop‑in match that supports steady operation and safer circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always verify fit and ratings before ordering. The TB320 part number is the best reference for ensuring compatibility with your panel or equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Thomas \u0026 Betts","offers":[{"title":"Default Title","offer_id":46426773651618,"sku":"TB320","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/thomas-betts-tb320-circuit-breaker-20a-3-pole-240v-627.webp?v=1789618989","url":"https:\/\/www.ampstate.com\/products\/thomas-betts-tb320-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}