{"product_id":"jja36250u43x-square-d-250a-3-pole-600v-iline-solid-state-mccb","title":"Square D - JJA36250U43X 250A 3-Pole 600V I-Line Solid State Circuit Breaker","description":"\u003cp\u003eThe \u003cstrong\u003eSquare D JJA36250U43X\u003c\/strong\u003e is a 3-pole, 250-amp solid-state molded case circuit breaker (MCCB) rated for 600VAC with I-Line plug-in mounting. Manufactured by Schneider Electric, this JJ-frame electronic trip breaker delivers adjustable, highly accurate overcurrent protection for large industrial feeder circuits and main distribution applications. Available in new and used (reconditioned) condition, it is a high-performance solution for three-phase 600V systems requiring selective coordination.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eJJA36250U43X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSquare D \/ Schneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e600VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Type\u003c\/td\u003e\n\u003ctd\u003eSolid State (Electronic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eI-Line Plug-In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating\u003c\/td\u003e\n\u003ctd\u003e65kA @ 600V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eUL 489 Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Series\u003c\/td\u003e\n\u003ctd\u003eJJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSolid-state electronic trip unit with adjustable long-time, short-time, and instantaneous settings\u003c\/li\u003e\n\u003cli\u003eI-Line plug-in mounting for quick installation in Square D JJ-frame compatible switchboards\u003c\/li\u003e\n\u003cli\u003e250-amp rating for large feeder and sub-main circuit protection\u003c\/li\u003e\n\u003cli\u003e3-pole design for three-phase 600V industrial power systems\u003c\/li\u003e\n\u003cli\u003eHigh 65kA interrupting rating at 600V for demanding environments\u003c\/li\u003e\n\u003cli\u003eAvailable new and reconditioned — all units tested prior to shipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e250A feeder and main circuit protection in industrial 600V switchboards\u003c\/li\u003e\n\u003cli\u003eMotor control center (MCC) main incoming feeds\u003c\/li\u003e\n\u003cli\u003eSub-main protection in large industrial and commercial facilities\u003c\/li\u003e\n\u003cli\u003eProcess plant and manufacturing facility power distribution\u003c\/li\u003e\n\u003cli\u003eSelective coordination systems requiring adjustable trip settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is the Square D JJA36250U43X?\u003c\/h3\u003e\u003cp\u003eThe JJA36250U43X is a 250-amp, 3-pole, 600V solid-state I-Line plug-in MCCB from Square D (Schneider Electric). It is used for main and feeder overcurrent protection in three-phase industrial and commercial 600V electrical distribution systems.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between JJA36250U43X and JJA36250U44X?\u003c\/h3\u003e\u003cp\u003eBoth are Square D 250A, 3-pole, 600V I-Line solid-state MCCBs in the JJ frame. The U43X and U44X suffixes indicate different rating plug configurations for the electronic trip unit, which affects the adjustable current pickup range. Consult Schneider Electric to confirm which plug is correct for your system coordination study.\u003c\/p\u003e\u003ch3\u003eIs the JJA36250U43X available in used condition?\u003c\/h3\u003e\u003cp\u003eYes. Alpha Brokers \u0026amp; Controls stocks the JJA36250U43X in both new and used (reconditioned) condition. All used breakers are inspected and tested before shipping to ensure reliable operation.\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48395611111672,"sku":"JJA36250U43X-N","price":7150.0,"currency_code":"USD","in_stock":true},{"title":"Used","offer_id":48395611144440,"sku":"JJA36250U43X-U","price":7150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/CB-JJA36250U43X-1.jpg?v=1778785486","url":"https:\/\/alphabreakersandcontrols.com\/products\/jja36250u43x-square-d-250a-3-pole-600v-iline-solid-state-mccb","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}