{"product_id":"allen-bradley-140g-j3h4-d25","title":"140G-J3H4-D25","description":"\u003ch2\u003eOverview of Allen Bradley 140G-J3H4-D25\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 140G-J3H4-D25 is a 250 Amp Molded Case Circuit Breaker (MCCB) in the J frame series, engineered for industrial power distribution and protection. Featuring 4 poles and an electronic LSI (Long time, Short time, Instantaneous) trip unit, it offers reliable trip performance customized via DIP switches for flexible protection settings. The breaker supports a high interrupt rating of 35 kA, suitable for demanding three-phase electrical systems. It combines compact design with robust switching capabilities, making it ideal for use in low voltage power systems to safeguard equipment and personnel from overloads and short circuits.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen Bradley 140G-J3H4-D25\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e250 Amp rated current with 4-pole configuration for comprehensive circuit protection.\u003c\/li\u003e\n  \u003cli\u003eElectronic LSI trip unit for adjustable protection settings optimized via DIP switches.\u003c\/li\u003e\n  \u003cli\u003eHigh interrupt rating of 35 kA at 480V AC, ensuring safety under fault conditions.\u003c\/li\u003e\n  \u003cli\u003eJ frame compact design enables installation in space-constrained panels.\u003c\/li\u003e\n  \u003cli\u003eIncludes auxiliary contacts: 1 Normally Open and 1 Normally Closed, plus an alarm contact rated at 250V.\u003c\/li\u003e\n  \u003cli\u003eSuitable for both three-phase and single-phase systems with neutral connections.\u003c\/li\u003e\n  \u003cli\u003eCan protect equipment against overload, short circuit, and ground faults.\u003c\/li\u003e\n  \u003cli\u003eCompatible with various terminal lugs available as accessories for flexible wiring.\u003c\/li\u003e\n  \u003cli\u003eTested and certified for industrial reliability and electrical compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 140G-J3H4-D25\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetails\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e250 A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterrupt Rating\u003c\/td\u003e\n\u003ctd\u003e35 kA (at 480V AC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTrip Unit Type\u003c\/td\u003e\n\u003ctd\u003eElectronic LSI (Long, Short, Instantaneous)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e1 NO, 1 NC + Alarm (250V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 600V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eUL listed, IEC compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 140G-J3H4-D25 is widely used in industrial and commercial electrical distribution systems requiring reliable overload and short circuit protection. Its 4-pole design makes it suitable for three-phase power systems with a neutral conductor, providing isolation and protection across all conductors. Typical applications include motor control centers, machinery control panels, HVAC systems, and power distribution units. This breaker enhances system safety by minimizing downtime and preventing damage due to electrical faults. Its adjustable electronic trip settings allow customization for varying load characteristics, making it ideal for facilities with diverse equipment and power needs.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eView All Allen Bradley Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/top-plc-brands-compared-siemens-allen-bradley-mitsubishi\" target=\"_blank\"\u003eTop PLC Brands Compared: Siemens, Allen Bradley \u0026amp; Mitsubishi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1756-en2tr\" target=\"_blank\"\u003eAllen Bradley 1756-EN2TR EtherNet\/IP Module\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-194e-sy\" target=\"_blank\"\u003eAllen Bradley 194E-SY Disconnect Switch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870736990507,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_72c77951-7a36-48f3-b407-d3360465a18c.png?v=1723533376","url":"https:\/\/leadtime.ca\/products\/allen-bradley-140g-j3h4-d25","provider":"LEADTIME","version":"1.0","type":"link"}