{"product_id":"eaton-ch320st-20a-240v-3-pole-plug-in-circuit-breaker","title":"Eaton CH320ST - 20 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton CH320ST is a 20A, 240V, 3-pole plug-in molded-case circuit breaker designed to shield panelboards and load centers from overcurrent and short circuits. Its fast plug-in connection makes installation and future replacements quick and straightforward, minimizing downtime on service upgrades or expansions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in installation\u003c\/strong\u003e: Simplifies wiring upgrades and circuit changes, reducing field installation time and labor.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection performance, ensuring predictable behavior under varying load and fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e: Engineered to pair with matching Eaton OEM load centers and panelboards for proper fit, coordination, and long-term reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: Ideal for residential, commercial, and light industrial environments where reliable 240V branch circuit protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 240V configuration\u003c\/strong\u003e: Provides comprehensive protection for multi-wire or 3-phase panelboard layouts, maintaining safe operation across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey specs at a glance\u003c\/strong\u003e: Type — Thermal-magnetic molded case; Amperage — 20A; Voltage — 240V; Poles — 3; Mounting — Plug-in; Part Number — CH320ST.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading existing panelboards or load centers in homes, offices, or light industrial facilities that require reliable 3-pole protection on 240V circuits.\u003c\/li\u003e \u003cli\u003eInstalling new 3-phase or multi-wire circuits where fast replacement and consistent trip characteristics are important for safety and uptime.\u003c\/li\u003e \u003cli\u003eExpanding electrical service in commercial spaces where OEM compatibility ensures seamless integration with existing Eaton equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the CH320ST? It combines a robust thermal-magnetic protection approach with a streamlined plug-in format, delivering dependable safety without complicating installation. By selecting a breaker that matches your OEM panelboard, you ensure proper trip coordination, easier maintenance, and long-term reliability across residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cp\u003eProduct details at a glance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: CH320ST\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 20A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349519552674,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_d74b4afe-e522-4a53-9759-779112d45cd8.png?v=1764148667","url":"https:\/\/www.ampstate.com\/products\/eaton-ch320st-20a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}