{"product_id":"lja36400u31x","title":"LJA36400U31X - 400A PowerPacT Micrologic LI Circuit Breaker","description":"\u003cp\u003e\u003cstrong\u003eLJA36400U31X - 400A PowerPacT Micrologic LI Circuit Breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe LJA36400U31X is a 400-amp, 3-pole molded-case circuit breaker designed for three-phase electrical distribution systems requiring dependable overcurrent protection. With an interrupting rating of 65kA at 480VAC, it's a practical choice for installations where available fault current is higher and reliable protection is critical.\u003c\/p\u003e\n\u003cp\u003eIn many commercial and industrial facilities, circuit breakers like the LJA36400U31X quietly do one of the most important jobs in the electrical system—protecting equipment from overloads and short circuits before costly damage can occur. Whether you installed it in a switchboard, panelboard, or motor control center, this breaker is designed to help keep electrical systems operating safely while reducing unnecessary downtime. Its Type LJA design makes it suitable for a variety of compatible power distribution applications, especially where a 400 Amp, 3-pole breaker is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e400 Amp Continuous Current Rating: 400 Amp continuous current rating for demanding power distribution systems.\u003c\/li\u003e\n\u003cli\u003e3-Pole Configuration: 3-pole configuration for three-phase electrical applications.\u003c\/li\u003e\n\u003cli\u003e65 kA Interrupting Capacity: 65 kA interrupting capacity at 480 VAC helps protect equipment during high-fault-current events.\u003c\/li\u003e\n\u003cli\u003eType LJA Molded Case Design: Type LJA molded case design for compatible commercial and industrial installations.\u003c\/li\u003e\n\u003cli\u003eOvercurrent Protection: Helps reduce the risk of damage caused by overloads and electrical faults.\u003c\/li\u003e\n\u003cli\u003eReplacement and Upgrade Applications: Suitable for replacement projects, system upgrades, and routine maintenance.\u003c\/li\u003e\n\u003cli\u003eCompact Dimensions: Compact dimensions make it easier to fit into compatible electrical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LJA36400U31X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e LJA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 Amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 65kA @ 480VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 13.4 in.\u003c\/li\u003e\n\u003cli\u003eWidth: 5.5 in.\u003c\/li\u003e\n\u003cli\u003eDepth: 4.3 in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation Requirements: The LJA36400U31X should be installed by qualified electrical professionals and used in accordance with applicable local and national electrical codes.\u003c\/li\u003e\n\u003cli\u003eCompliance Information: Compliance markings and certifications can vary based on the manufacturing date and production run. Always verify the product label and manufacturer documentation for information specific to the individual breaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial buildings\u003c\/li\u003e\n\u003cli\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial plants\u003c\/li\u003e\n\u003cli\u003ePower distribution switchboards\u003c\/li\u003e\n\u003cli\u003ePanelboards\u003c\/li\u003e\n\u003cli\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli\u003eHVAC equipment\u003c\/li\u003e\n\u003cli\u003eInstitutional and municipal facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen dependable circuit protection is essential, the LJA36400U31X delivers the electrical ratings needed for demanding three-phase systems. Its 400 Amp capacity, 3-pole configuration, and 65kA interrupting rating at 480VAC make it a solid fit for a wide range of commercial and industrial power distribution applications.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eSquare D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Schneider Electric or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SQUARE D","offers":[{"title":"New In Box","offer_id":54222416249131,"sku":"LJA36400U31X","price":4799.0,"currency_code":"USD","in_stock":false},{"title":"New Takeout","offer_id":54222416281899,"sku":"LJA36400U31X [NTO]","price":2950.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":54222416314667,"sku":"LJA36400U31X [R]","price":2800.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/lja36400u31x","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}