{"product_id":"allen-bradley-140g-k3f3-d40-mccb-400a-3-pole-35ka-thermal-magnetic","title":"Allen-Bradley 140G-K3F3-D40","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 140G-K3F3-D40 is a robust and essential molded case circuit breaker (MCCB) engineered to provide superior protection and reliable performance in demanding industrial power distribution environments. Designed for efficiency and safety, this 400A, 3-pole MCCB ensures the continuous operation of critical systems by safeguarding against damaging overloads and short circuits. Its K frame design signifies its suitability for heavy-duty applications where steadfast electrical management is paramount. With a formidable 35kA interrupt rating, the 140G-K3F3-D40 is built to handle significant fault currents, ensuring the integrity and longevity of your industrial electrical infrastructure. The integrated thermal magnetic protection mechanism offers a dual layer of defense, reacting swiftly to both sustained overcurrents and instantaneous short-circuit conditions, making it an indispensable component for any high-performance industrial setup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh 400A Rated Current (80% Rated):\u003c\/strong\u003e Delivers exceptional power handling capabilities, making it perfectly suited for high-current industrial machinery and demanding electrical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable 3-Pole Configuration:\u003c\/strong\u003e Provides comprehensive and simultaneous protection across all three phases of your electrical system, crucial for three-phase industrial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable K Frame Design:\u003c\/strong\u003e Engineered with a robust K frame, ensuring enhanced mechanical strength and improved current-carrying capacity for rigorous industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpressive 35kA Interrupt Rating:\u003c\/strong\u003e Offers a high level of short-circuit protection, capable of safely interrupting large fault currents to prevent catastrophic equipment damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Thermal Magnetic Protection (T\/M):\u003c\/strong\u003e Combines thermal overload protection for sustained overcurrents and magnetic protection for instantaneous short circuits, ensuring comprehensive circuit safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Construction:\u003c\/strong\u003e Built by Allen-Bradley, a leader in industrial automation, guaranteeing a high level of quality, durability, and long-term operational reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Power Distribution:\u003c\/strong\u003e Specifically designed to excel in challenging industrial power distribution and protection applications, promoting uptime and operational efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 140G-K3F3-D40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e 140G Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 400A (80% Rated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Type:\u003c\/strong\u003e K Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt Rating:\u003c\/strong\u003e 35kA @ 480V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Type:\u003c\/strong\u003e Thermal Magnetic (T\/M)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e Designed for common industrial voltage standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Standard industrial mounting (details available in technical documentation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 140G-K3F3-D40 MCCB is a versatile protective device suitable for a wide array of industrial applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Industrial Power Distribution:\u003c\/strong\u003e Ideal for safeguarding incoming power lines and main distribution panels in factories, plants, and large commercial facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Electrical Panels \u0026amp; Switchgear:\u003c\/strong\u003e Provides crucial overcurrent and short-circuit protection within complex electrical switchgear assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Control \u0026amp; Overload Protection:\u003c\/strong\u003e Ensures the safe operation of large industrial motors by providing reliable protection against overloads and fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Fault Current Environments:\u003c\/strong\u003e Essential for installations where significant fault currents are a risk, requiring reliable and rapid circuit interruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial and Institutional Buildings:\u003c\/strong\u003e Applicable in large-scale commercial and institutional settings requiring robust electrical protection for critical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Protection:\u003c\/strong\u003e Protects valuable industrial machinery and processing equipment from electrical damage, extending their operational lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose This Model?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnparalleled Protection:\u003c\/strong\u003e With a 35kA interrupt rating and advanced thermal magnetic trip unit, the 140G-K3F3-D40 offers superior protection against both sustained overloads and abrupt short circuits, ensuring maximum safety for your operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Industrial Durability:\u003c\/strong\u003e Constructed from high-quality materials and engineered to Allen-Bradley's stringent standards, this MCCB is built to withstand the harsh conditions of industrial environments, providing long-lasting, reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Performance:\u003c\/strong\u003e The 400A rated current and K frame design make it an excellent choice for demanding industrial applications requiring high current capacity and robust mechanical integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced System Reliability:\u003c\/strong\u003e By effectively preventing electrical faults from escalating, this circuit breaker helps to maintain system uptime, reduce costly downtime, and protect critical equipment from damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted Brand Quality:\u003c\/strong\u003e As an Allen-Bradley product, the 140G-K3F3-D40 comes with the assurance of a global leader in industrial automation, known for its innovation, reliability, and support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Solution:\u003c\/strong\u003e This MCCB acts as a foundational component for securing your electrical infrastructure, providing peace of mind through its integrated and effective protection capabilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate the safety and reliability of your industrial electrical systems with the Allen-Bradley 140G-K3F3-D40 Molded Case Circuit Breaker. Invest in proven protection and ensure the uninterrupted operation of your vital equipment. For further information on the 140G series or to explore our complete range of Allen-Bradley Industrial Automation Products, including PLCs, HMIs, drives, and sensors, please browse our inventory.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45182763925557,"sku":"140G-K3F3-D40","price":4699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/140g-k3f3-d40_png.webp?v=1777407157","url":"https:\/\/djer6s-ji.myshopify.com\/products\/allen-bradley-140g-k3f3-d40-mccb-400a-3-pole-35ka-thermal-magnetic","provider":"PLCReadyparts","version":"1.0","type":"link"}