{"product_id":"abb-ka2u4-under-voltage-release-internal-accessory-formula-series","title":"ABB KA2U4 Under Voltage Release – Internal Accessory – FORMULA Series","description":"\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-69eb4d5f-7fa0-83e8-afae-2e87d51a4210-0\" data-testid=\"conversation-turn-140\" 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=\"51c5c073-eaaa-42ba-9708-3cd170f5ea61\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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 w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"128\" data-end=\"585\"\u003eThe ABB KA2U4 is an under voltage release accessory designed for integration with ABB FORMULA series molded case circuit breakers. It provides automatic tripping of the breaker when the supply voltage drops below a safe operating threshold, helping to protect electrical systems and connected equipment from undervoltage conditions. This internal accessory enhances safety and reliability in industrial and commercial applications.\u003c\/p\u003e\n\u003cp data-start=\"592\" data-end=\"614\"\u003e\u003cstrong data-start=\"592\" data-end=\"614\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"616\" data-end=\"679\"\u003e\n\u003cli data-section-id=\"1d01oi4\" data-start=\"616\" data-end=\"679\"\u003eOperating Voltage: Not specified (dependent on configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"686\" data-end=\"708\"\u003e\u003cstrong data-start=\"686\" data-end=\"708\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"710\" data-end=\"887\"\u003e\n\u003cli data-section-id=\"1d1n0k6\" data-start=\"710\" data-end=\"748\"\u003eDevice Type: Under Voltage Release\u003c\/li\u003e\n\u003cli data-section-id=\"1xcyoqu\" data-start=\"749\" data-end=\"785\"\u003ePrimary Type: Internal Accessory\u003c\/li\u003e\n\u003cli data-section-id=\"grmf97\" data-start=\"786\" data-end=\"812\"\u003eSeries: FORMULA Series\u003c\/li\u003e\n\u003cli data-section-id=\"fk1ie4\" data-start=\"813\" data-end=\"887\"\u003eApplication: Automatic breaker tripping during undervoltage conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"894\" data-end=\"922\"\u003e\u003cstrong data-start=\"894\" data-end=\"922\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"924\" data-end=\"1070\"\u003e\n\u003cli data-section-id=\"g6o08h\" data-start=\"924\" data-end=\"989\"\u003eFunction: Trips breaker when voltage falls below preset level\u003c\/li\u003e\n\u003cli data-section-id=\"ptkzf8\" data-start=\"990\" data-end=\"1024\"\u003eDesigned for ABB FORMULA MCCBs\u003c\/li\u003e\n\u003cli data-section-id=\"xeknxm\" data-start=\"1025\" data-end=\"1070\"\u003eStandards Classification: UNSPSC 39120000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1077\" data-end=\"1093\"\u003e\u003cstrong data-start=\"1077\" data-end=\"1093\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1095\" data-end=\"1258\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1wvqgrn\" data-start=\"1095\" data-end=\"1116\"\u003eManufacturer: ABB\u003c\/li\u003e\n\u003cli data-section-id=\"x7swsg\" data-start=\"1117\" data-end=\"1140\"\u003eModel Number: KA2U4\u003c\/li\u003e\n\u003cli data-section-id=\"62nzh4\" data-start=\"1141\" data-end=\"1163\"\u003ePart Number: KA2U4\u003c\/li\u003e\n\u003cli data-section-id=\"14biq2v\" data-start=\"1164\" data-end=\"1186\"\u003eUPC: 8015644691356\u003c\/li\u003e\n\u003cli data-section-id=\"131xqdi\" data-start=\"1187\" data-end=\"1210\"\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli data-section-id=\"1jklwcl\" data-start=\"1211\" data-end=\"1258\" data-is-last-node=\"\"\u003eProduct Type: Under Voltage Release Accessory\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","brand":"ABB","offers":[{"title":"NEW","offer_id":48331004510457,"sku":"KA2U4","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/70094189_3b28fc06-c0d3-4f19-837e-8d76012dfee3.webp?v=1777394214","url":"https:\/\/mycircuitbreakers.com\/products\/abb-ka2u4-under-voltage-release-internal-accessory-formula-series","provider":"My Circuit Breakers","version":"1.0","type":"link"}