{"product_id":"square-d-ka36250-molded-case-circuit-breaker-250a-3-pole-600v-i-line-plug-in","title":"Square D KA36250 Molded Case Circuit Breaker | 250A 3-Pole 600V I-Line Plug-In","description":"\u003ch2\u003eSquare D KA36250 – 250 Amp Molded Case Circuit Breaker, I-Line Style Plug-In\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSquare D KA36250\u003c\/strong\u003e is a heavy-duty, 3-pole thermal magnetic molded case circuit breaker engineered for reliable overcurrent protection in commercial and industrial power distribution systems. Part of Square D's trusted \u003cstrong\u003eI-Line family (Type KA, K Frame)\u003c\/strong\u003e, this breaker delivers 250 amps of continuous protection at up to 600V AC — making it a go-to solution for high-demand electrical panels and switchboards.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're upgrading an existing I-Line panel, replacing a discontinued unit, or specifying equipment for a new installation, the KA36250 offers the performance, compatibility, and safety ratings your application demands.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKA36250\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare D (Schneider Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries \/ Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI-Line (Type KA)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmperage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250A at 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Pole \/ 3 Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI-Line Style Plug-In\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Magnetic (Non-Interchangeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLI – Long-Time and Instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating @ 240V AC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating @ 480V AC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating @ 600V AC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating @ 250V DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Range (Lug Kit)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#4 AWG – 350 kcmil (AL) \/ #4 – 250 MCM (CU)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI-Line Panel Plug-In (no additional hardware required)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.67 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL \/ CSA \/ NOM Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose the Square D KA36250?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven I-Line Compatibility:\u003c\/strong\u003e Designed to plug directly into Square D I-Line panelboards — no tools or additional hardware required for mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Magnetic Protection:\u003c\/strong\u003e Provides dual-mode protection — thermal response for sustained overloads and instantaneous magnetic trip for short circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Interrupting Capacity:\u003c\/strong\u003e Rated up to 42 kA at 240V AC, ensuring safe fault clearing in high-energy environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-Phase Industrial Grade:\u003c\/strong\u003e Built for 3-phase power systems commonly found in manufacturing facilities, commercial buildings, and data centers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrop-In Replacement:\u003c\/strong\u003e A direct replacement for existing KA-frame I-Line breakers, minimizing downtime during maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial motor protection and control panels\u003c\/li\u003e\n  \u003cli\u003eCommercial building power distribution boards\u003c\/li\u003e\n  \u003cli\u003eHVAC and mechanical equipment circuits\u003c\/li\u003e\n  \u003cli\u003eManufacturing and process control systems\u003c\/li\u003e\n  \u003cli\u003eData centers and critical infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat panels is the KA36250 compatible with?\u003c\/strong\u003e\u003cbr\u003eThe KA36250 is designed for Square D I-Line style panelboards and switchboards that accept plug-in style breakers. It does not require additional mounting hardware — it plugs directly into the bus.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating of the KA36250?\u003c\/strong\u003e\u003cbr\u003eThe KA36250 has an interrupting rating of 42 kA at 240V AC, 25 kA at 480V AC, 22 kA at 600V AC, and 10 kA at 250V DC.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the KA36250 a thermal magnetic or electronic trip breaker?\u003c\/strong\u003e\u003cbr\u003eIt is a thermal magnetic breaker with non-interchangeable trip, offering LI (Long-Time and Instantaneous) protection functions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I add a shunt trip or auxiliary contact to the KA36250?\u003c\/strong\u003e\u003cbr\u003eYes — the KA36250 supports accessories including shunt trips, auxiliary contacts, and under-voltage releases (UVR). Contact us for accessory compatibility and availability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this a new or reconditioned unit?\u003c\/strong\u003e\u003cbr\u003eThis listing is for a \u003cstrong\u003eNew\u003c\/strong\u003e unit (SKU: KA36250-N). New-in-box condition, ready for immediate installation.\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48396209619192,"sku":"KA36250-N","price":1897.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/shopping-1-copy_fc7211ba-7e7e-4fdd-bbcd-dd823d0bf64b.jpg?v=1778795234","url":"https:\/\/alphabreakersandcontrols.com\/products\/square-d-ka36250-molded-case-circuit-breaker-250a-3-pole-600v-i-line-plug-in","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}