{"product_id":"square-d-kal36225-225a-3-pole-600v-molded-case-circuit-breaker-feed-thru","title":"Square D KAL36225 | 225A 3-Pole 600V Molded Case Circuit Breaker (Feed-Thru)","description":"\u003cp\u003eSquare D KAL36225 – 225 Amp, 3-Pole, 600V Thermal Magnetic Molded Case Circuit Breaker\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSquare D KAL36225\u003c\/strong\u003e is a heavy-duty, thermal magnetic molded case circuit breaker (MCCB) engineered for reliable protection in commercial and industrial power distribution systems. Part of Square D's trusted \u003cstrong\u003eKAL Series (K-Frame)\u003c\/strong\u003e, this breaker delivers consistent, code-compliant protection for 3-phase electrical systems operating at up to 600V AC.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing a failed breaker in an existing switchboard or sourcing for a new panel build, the KAL36225 is a proven, widely-specified component trusted by electrical contractors, maintenance engineers, and facility managers across the country.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e KAL36225\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D (Schneider Electric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries \/ Frame:\u003c\/strong\u003e KAL Series | K-Frame (250A Frame)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 225A @ 40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V AC \/ 250V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole, 3-Phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Type:\u003c\/strong\u003e Thermal Magnetic (LI – Long-Time \u0026amp; Instantaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Feed-Through (Feed-Thru)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Connection:\u003c\/strong\u003e Line \u0026amp; Load Side Lug Terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e42 kAIC @ 240V AC\u003c\/li\u003e\n\u003cli\u003e25 kAIC @ 480V AC\u003c\/li\u003e\n\u003cli\u003e22 kAIC @ 600V AC\u003c\/li\u003e\n\u003cli\u003e10 kAIC @ 250V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e UL, CSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8\"H x 4.5\"W x 4.75\"L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~6 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003ch3\u003e🔒 Thermal Magnetic Protection\u003c\/h3\u003e\n\u003cp\u003eThe KAL36225 uses a \u003cstrong\u003edual-element thermal magnetic trip mechanism\u003c\/strong\u003e that provides both overload protection (long-time) and short-circuit protection (instantaneous). This LI trip configuration ensures fast, reliable response to fault conditions while avoiding nuisance tripping under normal load variations.\u003c\/p\u003e\n\u003ch3\u003e⚡ Feed-Through Mounting for Switchboard Flexibility\u003c\/h3\u003e\n\u003cp\u003eDesigned with \u003cstrong\u003efeed-thru mounting\u003c\/strong\u003e, the KAL36225 is ideal for installation in switchboards, panelboards, and distribution systems where power needs to be passed through the breaker from line to load side without interrupting the bus. Both \u003cstrong\u003eline-side and load-side lug terminals\u003c\/strong\u003e are included for flexible, secure wiring.\u003c\/p\u003e\n\u003ch3\u003e🏗️ Heavy-Duty K-Frame Construction\u003c\/h3\u003e\n\u003cp\u003eBuilt on Square D's robust \u003cstrong\u003eK-Frame platform\u003c\/strong\u003e with a 250A frame rating, this breaker is designed to handle the mechanical and thermal stresses of demanding industrial environments. The molded case housing provides durability and arc containment for long service life.\u003c\/p\u003e\n\u003ch3\u003e🌐 Wide Application Compatibility\u003c\/h3\u003e\n\u003cp\u003eRated for \u003cstrong\u003e600V AC and 250V DC\u003c\/strong\u003e, the KAL36225 is compatible with a broad range of commercial and industrial power systems, including 480V three-phase distribution — the most common voltage in U.S. industrial facilities.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial switchboards and distribution panels\u003c\/li\u003e\n\u003cli\u003eCommercial electrical systems (office buildings, warehouses, retail)\u003c\/li\u003e\n\u003cli\u003eManufacturing equipment and motor control centers\u003c\/li\u003e\n\u003cli\u003eHVAC system electrical protection\u003c\/li\u003e\n\u003cli\u003eData center power distribution\u003c\/li\u003e\n\u003cli\u003eUtility and infrastructure electrical panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy from Alpha Brokers \u0026amp; Controls?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIn-Stock \u0026amp; Ready to Ship\u003c\/strong\u003e – No lead time delays\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVerified Condition\u003c\/strong\u003e – Every unit is inspected before shipment\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eExpert Support\u003c\/strong\u003e – Our team knows electrical components inside and out\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompetitive Pricing\u003c\/strong\u003e – Direct access to hard-to-find Square D inventory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHave a question about compatibility or need a replacement urgently? \u003cstrong\u003eContact our team today\u003c\/strong\u003e — we're here to help you get the right part, fast.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does \"Feed-Thru\" mean on the KAL36225?\u003c\/h3\u003e\n\u003cp\u003eFeed-through (Feed-Thru) mounting means the breaker allows power to pass from the line side through to the load side via both top and bottom lugs. This is commonly used in switchboards to distribute power without breaking the main bus, and it provides flexibility in panel configurations.\u003c\/p\u003e\n\u003ch3\u003eWhat is the interrupting rating of the Square D KAL36225?\u003c\/h3\u003e\n\u003cp\u003eThe KAL36225 has an interrupting rating of 42 kAIC at 240V AC, 25 kAIC at 480V AC, and 22 kAIC at 600V AC. For DC applications, it is rated at 10 kAIC at 250V DC.\u003c\/p\u003e\n\u003ch3\u003eWhat trip functions does the KAL36225 include?\u003c\/h3\u003e\n\u003cp\u003eIt includes LI trip functions — Long-Time (thermal overload protection) and Instantaneous (magnetic short-circuit protection). This is a standard thermal magnetic configuration suitable for most commercial and industrial branch circuit and feeder protection applications.\u003c\/p\u003e\n\u003ch3\u003eIs the KAL36225 compatible with Square D switchboards and panelboards?\u003c\/h3\u003e\n\u003cp\u003eYes. The KAL36225 is designed for use with Square D K-Frame compatible switchboards and enclosures. It features feed-thru mounting with line and load side lug terminals for secure installation.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the KAL36225 and the PowerPact J-Frame (JGL36225)?\u003c\/h3\u003e\n\u003cp\u003eThe KAL36225 is from Square D's legacy K-Frame series. Its functional modern equivalent is the Square D PowerPact J-Frame series (JGL36225), which features updated trip unit technology. If you are retrofitting existing equipment, the KAL36225 is the direct replacement for existing K-Frame installations.\u003c\/p\u003e\n\u003ch3\u003eWhat standards does the KAL36225 meet?\u003c\/h3\u003e\n\u003cp\u003eThe KAL36225 is listed and certified to UL and CSA standards, ensuring compliance with North American electrical codes including the National Electrical Code (NEC).\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48396210045176,"sku":"KAL36225-N","price":1859.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/shopping-1-scaled_1d0d21ce-b236-4c52-82a8-8447c390ddc1.jpg?v=1778795237","url":"https:\/\/alphabreakersandcontrols.com\/products\/square-d-kal36225-225a-3-pole-600v-molded-case-circuit-breaker-feed-thru","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}