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Allen Bradley 140U MCB 140U-J6X3

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140U-J6X3

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The 140U-J6X3 from Allen Bradley is a molded case circuit breaker designed for effective current management. It is rated for 250 amperes and capable of handling interrupting ratings from 60 kA up to 69 kA depending on system requirements.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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-J6X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J6X3
UPC611320843361
Weight5.25 lbs (2.38 kg)
Current Rating250 A
Minimum Interrupting Rating60 kA
Maximum Interrupting Rating69 kA
Protection TypeFrame Only
Pole Type3 Poles
Minimum Operating Temperature-25°C
Maximum Operating Temperature70°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature80°C
Installation Altitude1000 m
Relative Humidity5 to 95% (non-condensing)
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The Allen Bradley 140U-J6X3 is classified as a molded case circuit breaker, which serves as a crucial component for electrical protection in various systems. It carries a current rating of 250 A, allowing for effective management of large loads. With a minimum interrupting capacity of 60 kA and a maximum of 69 kA, this circuit breaker is reliable under fault conditions, ensuring safe operation.

The device employs a three-pole setup, which aids in versatile applications. The design offers frame-only protection, which should be considered when assessing installation needs. Ideal operational performance is achievable in temperatures ranging from -25°C to 70°C, aiding deployment in diverse environments. Further, the unit remains robust and functional even when stored at temperatures ranging from -40°C to 80°C.

Furthermore, the 140U-J6X3 can be installed at altitudes of up to 1000 meters, catering to various facility requirements. It also supports relative humidity levels between 5 to 95%, ensuring operational integrity under a multitude of environmental conditions. This molded case circuit breaker combines durability and flexibility, making it a reliable choice for effective electrical circuit management.