{"product_id":"eaton-ch320st-ch-thermal-magnetic-circuit-breaker-20a-3-pole-240v-shunt-trip","title":"Eaton CH320ST CH Thermal Magnetic Circuit Breaker – 20A, 3-Pole, 240V, Shunt Trip","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a02164e-d728-83e9-913c-2b016ff57229-38\" data-turn-id-container=\"request-6a02164e-d728-83e9-913c-2b016ff57229-38\" data-testid=\"conversation-turn-216\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"f402a222-e198-458c-a0ea-b89bf7acee28\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"140\" data-end=\"601\"\u003eThe Eaton CH320ST CH thermal magnetic circuit breaker is designed for reliable overcurrent protection with integrated remote trip capability. Built for use in Eaton CH loadcenters, it provides common-trip operation across all three poles for balanced circuit protection. The built-in shunt trip feature enables remote disconnect functionality, making it suitable for systems requiring external control or emergency shutdown capability.\u003c\/p\u003e\n\u003cp data-start=\"608\" data-end=\"630\"\u003e\u003cstrong data-start=\"608\" data-end=\"630\"\u003eElectrical Ratings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"632\" data-end=\"834\"\u003e\n\u003cli data-section-id=\"7s1ptk\" data-start=\"632\" data-end=\"655\"\u003eCurrent Rating: 20A\u003c\/li\u003e\n\u003cli data-section-id=\"1f7fnci\" data-start=\"656\" data-end=\"683\"\u003eVoltage Rating: 240V AC\u003c\/li\u003e\n\u003cli data-section-id=\"16th55b\" data-start=\"684\" data-end=\"715\"\u003eNumber of Poles: Three-pole\u003c\/li\u003e\n\u003cli data-section-id=\"13m4ppw\" data-start=\"716\" data-end=\"745\"\u003eInterrupt Rating: 10 kAIC\u003c\/li\u003e\n\u003cli data-section-id=\"19kvpt4\" data-start=\"746\" data-end=\"780\"\u003eTrip Type: Common breaker trip\u003c\/li\u003e\n\u003cli data-section-id=\"1au8999\" data-start=\"781\" data-end=\"809\"\u003eCircuit Breaker Type: CH\u003c\/li\u003e\n\u003cli data-section-id=\"f8nih2\" data-start=\"810\" data-end=\"834\"\u003eShunt Trip: Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"841\" data-end=\"863\"\u003e\u003cstrong data-start=\"841\" data-end=\"863\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"865\" data-end=\"1283\"\u003e\n\u003cli data-section-id=\"104z54j\" data-start=\"865\" data-end=\"888\"\u003eManufacturer: Eaton\u003c\/li\u003e\n\u003cli data-section-id=\"u2bbug\" data-start=\"889\" data-end=\"916\"\u003eCatalog Number: CH320ST\u003c\/li\u003e\n\u003cli data-section-id=\"1asd4gv\" data-start=\"917\" data-end=\"938\"\u003eUPC: 782113339658\u003c\/li\u003e\n\u003cli data-section-id=\"1c90j2g\" data-start=\"939\" data-end=\"989\"\u003eProduct Type: Thermal magnetic circuit breaker\u003c\/li\u003e\n\u003cli data-section-id=\"5x0wal\" data-start=\"990\" data-end=\"1024\"\u003eUsed With: Type CH loadcenters\u003c\/li\u003e\n\u003cli data-section-id=\"nglb5i\" data-start=\"1025\" data-end=\"1056\"\u003eStandards: UL 489 certified\u003c\/li\u003e\n\u003cli data-section-id=\"s1nqlb\" data-start=\"1057\" data-end=\"1087\"\u003eWire Size: #14–6 AWG Cu\/Al\u003c\/li\u003e\n\u003cli data-section-id=\"upokzm\" data-start=\"1088\" data-end=\"1158\"\u003eApplication: Branch circuit protection with remote trip capability\u003c\/li\u003e\n\u003cli data-section-id=\"1c4s4py\" data-start=\"1159\" data-end=\"1221\"\u003eType: 3\/4-inch CH standard circuit breaker with shunt trip\u003c\/li\u003e\n\u003cli data-section-id=\"98pchm\" data-start=\"1222\" data-end=\"1283\"\u003eWarranty: Limited lifetime residential, 1 year commercial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1290\" data-end=\"1310\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1310\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1312\" data-end=\"1425\"\u003e\n\u003cli data-section-id=\"14lqjph\" data-start=\"1312\" data-end=\"1344\"\u003eProduct Length\/Depth: 4.8 in\u003c\/li\u003e\n\u003cli data-section-id=\"19v4z4e\" data-start=\"1345\" data-end=\"1371\"\u003eProduct Height: 3.5 in\u003c\/li\u003e\n\u003cli data-section-id=\"fw0smv\" data-start=\"1372\" data-end=\"1397\"\u003eProduct Width: 3.5 in\u003c\/li\u003e\n\u003cli data-section-id=\"1991t57\" data-start=\"1398\" data-end=\"1425\"\u003eProduct Weight: 1.15 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1432\" data-end=\"1448\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1448\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1450\" data-end=\"1839\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1jt5moc\" data-start=\"1450\" data-end=\"1520\"\u003eApplication: Residential and commercial circuit protection systems\u003c\/li\u003e\n\u003cli data-section-id=\"167e7xl\" data-start=\"1521\" data-end=\"1566\"\u003eCompatibility: Eaton CH loadcenter panels\u003c\/li\u003e\n\u003cli data-section-id=\"1vmxfp4\" data-start=\"1567\" data-end=\"1636\"\u003eInstallation Use: Plug-on breaker requiring three 3\/4-inch spaces\u003c\/li\u003e\n\u003cli data-section-id=\"1xflehx\" data-start=\"1637\" data-end=\"1724\"\u003eFunction: Provides thermal magnetic protection with shunt trip for remote switching\u003c\/li\u003e\n\u003cli data-section-id=\"7hyeq0\" data-start=\"1725\" data-end=\"1839\" data-is-last-node=\"\"\u003eSafety Feature: Supports externally controlled circuit interruption for automation and emergency control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"contents\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Eaton Cutler-Hammer","offers":[{"title":"NEW","offer_id":48395638407417,"sku":"CH320ST","price":413.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/CH315ST_C_eb2af540-a8cb-42e2-9fa7-2e8e4c67f4c5.jpg?v=1778614303","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-ch320st-ch-thermal-magnetic-circuit-breaker-20a-3-pole-240v-shunt-trip","provider":"My Circuit Breakers","version":"1.0","type":"link"}