Description
Overview
The Allen-Bradley 140G-H2F3-D10 Motor Protection Circuit Breaker delivers dependable performance, precision, and safety in industrial power systems. Designed by Rockwell Automation, it provides superior protection across a wide range of fault conditions while maintaining simple integration into control panels and MCCs.
Performance and Protection
With fault interruption ratings ranging from 25kA to 200kA, this breaker handles diverse industrial applications confidently. Whether in manufacturing, utilities, or processing plants, it ensures motors and connected circuits remain safe from overloads, short circuits, and phase failures. Moreover, it maintains consistent operation even under fluctuating voltages, protecting valuable equipment from potential damage.
Design and Compatibility
The 140G series offers MCCB sizes from 16A to 3000A, giving engineers flexibility to design scalable systems. Since it uses common frames and accessories, installation becomes faster and more cost-effective. Furthermore, customer-fit accessories allow quick configuration, reducing setup time and improving project adaptability.
Control and Flexibility
To accommodate varied requirements, this model supports Basic or Advanced Overcurrent Releases (OCRs), including AC/DC thermal magnetic and AC electronic versions. This adaptability ensures compatibility with both standard and specialised installations. Additionally, engineers can fine-tune protection settings to match system loads, improving precision and operational safety.
Global Reliability
Supported worldwide by Rockwell Automation and Allen-Bradley, the 140G-H2F3-D10 adheres to IEC and UL standards, guaranteeing compliance for global projects. This international support ensures access to parts, documentation, and technical expertise wherever operations are located.
Key Features
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Fault interruption ratings: 25kA–200kA
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MCCB sizes: 16A–3000A
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Configurable accessories for quick setup
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AC/DC thermal, magneti,c and electronic OCR options
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Global IEC/UL compliance and support
Conclusion
In essence, the 140G-H2F3-D10 combines reliability, adaptability, and global service, making it an indispensable solution for modern motor protection systems.





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