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Allen Bradley 140U MCB 140U-H2C3-C80

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140U-H2C3-C80

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The 140U-H2C3-C80 from Allen Bradley functions as a molded case circuit breaker that provides robust current protection and management. With a strong current rating of 125 amps, it ensures reliable operation in various electrical systems, featuring both fixed thermal and magnetic protection.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-H2C3-C80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-H2C3-C80
UPC611320842685
Weight14.00 lbs (6.35 kg)
Current Rating125 A
Breaking Capacity20 to 29 kA
Thermal Protection TypeFixed Thermal
Magnetic Protection TypeFixed Magnetic
Number of Poles3 Poles
Rated Current80 A
Thermal Trip Rating80 A
Magnetic Trip Rating800 A
Breaking Capacity (50 Hz)35 kA @ 220 to 240 VAC, 25 kA @ 380 to 415 VAC, 2-17 kA @ 500 VAC and 3 kA @ 690 VAC
Interrupting Rating (60 Hz)35 kA @ 240 V, 25 kA @ 480 V and 18 kA @ 600/347 V AC
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The Allen Bradley 140U-H2C3-C80 is a high-performance molded case circuit breaker designed for reliable electrical protection. This unit is capable of handling a current rating of 125 amps, making it suitable for various applications. It comprises three poles, enhancing its functionality in diverse electrical systems.

This circuit breaker integrates fixed thermal and magnetic trip mechanisms, ensuring effective protection against overload and short-circuit scenarios. The rated current stands at 80 amps, with a corresponding thermal trip rating of the same. In terms of magnetic trip protection, it is rated to handle up to 800 amps.

For breaking capacities, the 140U-H2C3-C80 demonstrates impressive ratings, achieving 35 kA at operating conditions between 220 to 240 VAC and 25 kA at 380 to 415 VAC. In addition, it accommodates a range of breaking capacities that includes 2-17 kA at 500 VAC and 3 kA at 690 VAC, which allows it to suit various circuit configurations.

When evaluated under a 60 Hz frequency, the interrupting ratings are consistently high, reaching 35 kA at 240 V, 25 kA at 480 V, and 18 kA at 600/347 V AC. This degree of performance indicates robust capabilities in maintaining system integrity while handling fault conditions. The 140U-H2C3-C80 is a reliable solution for safeguarding electrical circuits in numerous industrial applications.