{"product_id":"square-d-kal36250-molded-case-circuit-breaker-250a-3-pole-600v-feed-thru","title":"Square D KAL36250 Molded Case Circuit Breaker | 250A 3-Pole 600V Feed-Thru","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eSquare D KAL36250 – 250 Amp Thermal Magnetic Molded Case Circuit Breaker\u003c\/h2\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eSquare D KAL36250\u003c\/strong\u003e is a heavy-duty, 3-pole thermal magnetic molded case circuit breaker (MCCB) engineered for reliable overcurrent protection in demanding commercial and industrial electrical systems. Part of the trusted \u003cstrong\u003eKAL Series (KA-Frame)\u003c\/strong\u003e by Schneider Electric \/ Square D, this breaker delivers proven performance across a wide range of power distribution applications.\u003c\/p\u003e\n\n  \u003cp\u003eWhether you're replacing a failed breaker in a switchboard, panelboard, or motor control center, the KAL36250 is a direct OEM-equivalent solution rated for up to \u003cstrong\u003e600V AC, 3-phase service\u003c\/strong\u003e at \u003cstrong\u003e250 Amps\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eKey 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\u003eKAL36250\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 \/ Frame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAL Series (KA-Frame, 70–250A)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmpere Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Pole (3PH)\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\u003eInterrupting Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 kAIC @ 240V AC | 25 kAIC @ 480V AC | 22 kAIC @ 600V AC | 10 kA @ 250V DC\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 – LI (Long-Time \u0026amp; Instantaneous)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFeed-Thru (Line \u0026amp; Load Side Lug Terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAL36250-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eWhat Is a Thermal Magnetic Molded Case Circuit Breaker?\u003c\/h2\u003e\n  \u003cp\u003eA \u003cstrong\u003ethermal magnetic molded case circuit breaker (MCCB)\u003c\/strong\u003e combines two protection mechanisms in one device:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThermal protection (Long-Time \/ LI function):\u003c\/strong\u003e Responds to sustained overloads by heating a bimetal strip until it trips the breaker — protecting wiring and equipment from heat damage over time.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic protection (Instantaneous function):\u003c\/strong\u003e Detects sudden, high-level short-circuit currents and trips the breaker immediately — preventing arc flash, fire, and catastrophic equipment damage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eThe combination makes the KAL36250 ideal for both overload and short-circuit protection in industrial environments.\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eWhat Is a Feed-Thru Circuit Breaker?\u003c\/h2\u003e\n  \u003cp\u003eA \u003cstrong\u003efeed-thru circuit breaker\u003c\/strong\u003e includes lug terminals on \u003cem\u003eboth the line and load sides\u003c\/em\u003e, allowing conductors to pass through rather than terminate only at one end. This design is commonly used in switchboards, distribution panels, and multi-section lineups where power needs to continue downstream without additional bus connections.\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eCommon Applications\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCommercial and industrial power distribution panels\u003c\/li\u003e\n    \u003cli\u003eSwitchboards and switchgear lineups\u003c\/li\u003e\n    \u003cli\u003eMotor control centers (MCC)\u003c\/li\u003e\n    \u003cli\u003eManufacturing plant electrical systems\u003c\/li\u003e\n    \u003cli\u003eHVAC and mechanical room distribution\u003c\/li\u003e\n    \u003cli\u003eData centers and critical infrastructure panels\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eWhy Choose Alpha Brokers \u0026amp; Controls?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ \u003cstrong\u003eGenuine OEM product\u003c\/strong\u003e — authentic Square D \/ Schneider Electric\u003c\/li\u003e\n    \u003cli\u003e✅ \u003cstrong\u003eIn stock and ready to ship\u003c\/strong\u003e — minimize downtime fast\u003c\/li\u003e\n    \u003cli\u003e✅ \u003cstrong\u003eExpert support\u003c\/strong\u003e — our team knows electrical equipment\u003c\/li\u003e\n    \u003cli\u003e✅ \u003cstrong\u003eCompetitive pricing\u003c\/strong\u003e on hard-to-find industrial breakers\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003ch3\u003eWhat is the KAL36250 used for?\u003c\/h3\u003e\n  \u003cp\u003eThe Square D KAL36250 is used for overcurrent and short-circuit protection in 3-phase, 600V AC electrical systems rated up to 250 amps. It is commonly installed in industrial switchboards, distribution panels, and motor control centers.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat is the interrupting rating of the KAL36250?\u003c\/h3\u003e\n  \u003cp\u003eThe KAL36250 has an interrupting capacity of 42 kAIC at 240V, 25 kAIC at 480V, and 22 kAIC at 600V AC, making it suitable for high-fault-current industrial environments.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat does \"Feed-Thru\" mean on the KAL36250?\u003c\/h3\u003e\n  \u003cp\u003eFeed-Thru means the breaker has lug terminals on both the line and load sides, allowing conductors to connect through the device for downstream distribution without additional bus bars.\u003c\/p\u003e\n\n  \u003ch3\u003eIs the KAL36250 the same as the PowerPact JGL36250?\u003c\/h3\u003e\n  \u003cp\u003eThe KAL36250 has been discontinued by Square D \/ Schneider Electric. The modern cross-reference is the \u003cstrong\u003ePowerPacT JGL36250\u003c\/strong\u003e. Contact us to confirm compatibility for your application.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat trip functions does the KAL36250 include?\u003c\/h3\u003e\n  \u003cp\u003eIt includes \u003cstrong\u003eLI trip functions\u003c\/strong\u003e — Long-Time (thermal overload) and Instantaneous (magnetic short-circuit) protection — providing dual-layer defense for your electrical system.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48396210077944,"sku":"KAL36250-N","price":1897.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/shopping-1-scaled_6b5e9e1b-e00e-4042-a6e3-836ce759a484.jpg?v=1778795239","url":"https:\/\/alphabreakersandcontrols.com\/products\/square-d-kal36250-molded-case-circuit-breaker-250a-3-pole-600v-feed-thru","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}