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Allen Bradley 140U MCB 140U-H6C3-C20-A-MT

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140U-H6C3-C20-A-MT

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The Allen Bradley 140U-H6C3-C20-A-MT serves as a reliable molded case circuit breaker with a 125 A frame rating. Its performance is secured with a fixed thermal and magnetic protection mechanism, alongside an interrupting rating providing for fault currents up to 69 kA.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140U-H6C3-C20-A-MT

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-H6C3-C20-A-MT
Weight10.00 lbs (4.54 kg)
Frame Rating125 A
Interrupting Rating60 to 69 kA
Protection TypeFixed Thermal/Fixed Magnetic
Pole Type3 Poles
Number of Auxiliary Contacts1 Auxiliary Contact
Min. Operating Temperature-20°C
Max. Operating Temperature70°C
Min. Storage Temperature-40°C
Max. Storage Temperature80°C
Installation Altitude1000 m
Relative Humidity5 to 95% (non-condensing)
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The 140U-H6C3-C20-A-MT circuit breaker from Allen Bradley is engineered for efficient electrical protection. Rated for a maximum current of 125 A, this molded case circuit breaker features a robust interrupting capability ranging from 60 to 69 kA, essential for safeguarding circuits during fault conditions.

Utilizing a thermal-magnetic protection system, this device provides reliable operational security. It comprises three poles to facilitate diverse circuit configurations and includes one auxiliary contact for extended functionality. The circuit breaker can withstand operating temperatures within -20°C to 70°C, ensuring effective performance in challenging conditions.

When considering storage conditions, it accommodates an expansive temperature range from -40°C to 80°C. Its construction supports installation at altitudes of up to 1000 meters, making it versatile for various applications. Additionally, it is designed to function in relative humidity levels of 5 to 95% without condensation, adding to its suitability for various environments. Overall, the Allen Bradley 140U-H6C3-C20-A-MT is crafted to meet the demands of modern electrical systems, ensuring safety and reliability.