{"product_id":"hja36150u44x-square-d-150a-3-pole-600v-iline-solid-state-mccb","title":"Square D - HJA36150U44X 150A 3-Pole 600V I-Line Solid State Circuit Breaker","description":"\u003cp\u003eThe \u003cstrong\u003eSquare D HJA36150U44X\u003c\/strong\u003e is a 3-pole, 150-amp solid-state molded case circuit breaker (MCCB) rated for 600VAC with I-Line plug-in mounting. Manufactured by Schneider Electric, the HJ-frame solid-state trip unit provides adjustable, highly accurate protection for medium-to-large industrial feeder circuits. Engineered for applications where precise protection coordination and high interrupting capacity are required in demanding three-phase systems.\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\u003eHJA36150U44X\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\u003e150A\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\u003eHJ\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 straightforward installation in Square D I-Line switchboards\u003c\/li\u003e\n\u003cli\u003e150-amp rating for industrial feeder and main circuit protection\u003c\/li\u003e\n\u003cli\u003e3-pole configuration for complete three-phase 600V protection\u003c\/li\u003e\n\u003cli\u003eHigh 65kA interrupting rating at 600V for demanding industrial environments\u003c\/li\u003e\n\u003cli\u003eUL 489 Listed for NEC compliance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIndustrial feeder protection in 600V three-phase switchboards\u003c\/li\u003e\n\u003cli\u003eMotor control center (MCC) feeder circuit protection\u003c\/li\u003e\n\u003cli\u003eSub-main breaker in industrial distribution systems\u003c\/li\u003e\n\u003cli\u003eProcess plant and manufacturing facility power distribution\u003c\/li\u003e\n\u003cli\u003eOil, gas, and petrochemical facility electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is the Square D HJA36150U44X?\u003c\/h3\u003e\u003cp\u003eThe HJA36150U44X is a 150-amp, 3-pole, 600V solid-state I-Line plug-in MCCB from Square D. It provides adjustable overcurrent and short-circuit protection for feeder and main circuits in three-phase 600V industrial and commercial electrical systems.\u003c\/p\u003e\u003ch3\u003eWhat does the U44X suffix mean on the HJA36150U44X?\u003c\/h3\u003e\u003cp\u003eThe U44X suffix on Square D solid-state MCCBs typically indicates the trip unit rating plug configuration, which sets the adjustable current range of the electronic trip unit. This affects minimum and maximum current trip settings available on the breaker.\u003c\/p\u003e\u003ch3\u003eIs the HJA36150U44X compatible with Square D I-Line panels?\u003c\/h3\u003e\u003cp\u003eYes. The HJA36150U44X features I-Line plug-in mounting compatible with Square D I-Line switchboards and panelboards designed for HJ-frame breakers. Confirm bus rating and frame compatibility before installation.\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48395675336952,"sku":"HJA36150U44X-N","price":3499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/CB-HJA36150U44X_1d77f426-f1bf-4715-83cb-d8da32258102.jpg?v=1778786519","url":"https:\/\/alphabreakersandcontrols.com\/products\/hja36150u44x-square-d-150a-3-pole-600v-iline-solid-state-mccb","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}