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Allen-Bradley 140G-K3F3-D40

by Allen-Bradley

OverviewThe Allen-Bradley 140G-K3F3-D40 is a highly reliable molded case circuit breaker (MCCB) engineered to deliver exceptional safeguarding and consistent performance within demanding industrial electrical distribution systems. This 400A, three-pole MCCB guarantees uninterrupted operation of vital equipment by defending against detrimental overcurrents and sudden short circuits. Its K-frame design highlights its suitability for rigorous applications where steadfast electrical management is essential. Featuring an impressive 35kA interrupt rating, the 140G-K3F3-D40 is built to manage significant fault currents, preserving the integrity and longevity of your industrial electrical infrastructure. The integrated thermal magnetic protection mechanism provides a dual defense, reacting instantly to both prolonged overloads and instantaneous short-circuit events, making it an indispensable element for any high-performance industrial setup.Key Features High 400A Current Rating (80% Rated): Provides abundant power handling capabilities, making it ideal for high-current industrial machinery and substantial electrical loads. Dependable 3-Pole Construction: Offers comprehensive, simultaneous defense across all three phases of your electrical network, critical for three-phase industrial applications. Robust K Frame Design: Developed with a sturdy K frame, ensuring enhanced mechanical resilience and improved current-carrying capacity for challenging industrial settings. Excellent 35kA Interrupt Rating: Delivers a high level of short-circuit defense, capable of safely interrupting large fault currents to prevent catastrophic equipment damage. Precise Thermal Magnetic Safeguard (T/M): Combines thermal overload defense for sustained overcurrents and magnetic protection for instantaneous short circuits, ensuring thorough circuit safety. Industrial-Grade Build Quality: Manufactured by Allen-Bradley, a leader in industrial automation, guaranteeing superior quality, durability, and long-term operational dependability. Optimized for Power Distribution: Specifically designed to excel in challenging industrial power distribution and protection uses, enhancing uptime and operational efficiency. Technical Specifications Model: 140G-K3F3-D40 Series: 140G Molded Case Circuit Breaker Rated Current: 400A (80% Rated) Number of Poles: 3 Frame Type: K Frame Interrupt Rating: 35kA @ 480V AC Protection Type: Thermal Magnetic (T/M) Voltage Rating: Compatible with standard industrial voltage requirements Mounting: Standard industrial mounting (refer to technical documentation for specifics) ApplicationsThe Allen-Bradley 140G-K3F3-D40 MCCB is a versatile protective device suitable for various industrial applications, including: Primary Industrial Power Distribution: Perfect for protecting incoming power lines and main distribution panels in factories, manufacturing plants, and large commercial facilities. Heavy-Duty Electrical Panels & Switchgear: Provides essential overcurrent and short-circuit protection within complex electrical switchgear assemblies. Motor Control & Overload Defense: Ensures the safe operation of large industrial motors by providing reliable protection against overloads and fault conditions. High-Fault Current Environments: Crucial for setups where significant fault currents are a risk, demanding dependable and rapid circuit interruption. Commercial and Institutional Structures: Applicable in large-scale commercial and institutional environments requiring robust electrical protection for critical systems. Equipment Protection: Safeguards valuable industrial machinery and processing equipment from electrical harm, extending their operational lifespan. Why Choose?Boasting a 35kA interrupt rating and advanced thermal magnetic trip unit, the 140G-K3F3-D40 delivers exceptional defense against both prolonged overloads and sudden short circuits, ensuring maximum safety for your industrial operations. This device is engineered for resilience, guaranteeing long-term reliability and reducing the need for frequent replacements. Its precise protection mechanisms help prevent equipment damage and minimize downtime, leading to increased productivity and cost savings. Choosing this Allen-Bradley MCCB means investing in a solution that consistently performs under pressure, providing peace of mind in the most challenging industrial settings.Order NowSecure your industrial operations with the Allen-Bradley 140G-K3F3-D40 MCCB. Contact us today to place your order or request a quote for this essential component.FAQWhat is the primary function of the Allen-Bradley 140G-K3F3-D40?Its primary function is to protect electrical circuits and equipment from damage caused by overloads and short circuits in industrial power distribution systems.What is the interrupt rating of this MCCB?The 140G-K3F3-D40 has an impressive 35kA interrupt rating, meaning it can safely interrupt very high fault currents.Is this MCCB suitable for three-phase applications?Yes, with its 3-pole configuration, it is specifically designed to provide comprehensive protection for three-phase industrial electrical systems.What type of protection does the 140G-K3F3-D40 offer?It provides thermal magnetic protection, which combines thermal overload protection for sustained overcurrents and magnetic protection for instantaneous short circuits.Where are the ideal applications for this MCCB?It is ideally suited for primary industrial power distribution, heavy-duty electrical panels, motor control, and high-fault current environments, as well as commercial and institutional buildings.

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