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Allen Bradley 140U MCB 140U-J6D3-D20-A-MU

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140U-J6D3-D20-A-MU

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The 140U-J6D3-D20-A-MU is a molded case circuit breaker from Allen Bradley's 140U MCB series, featuring a J frame design. This unit has a continuous current rating of 200 A and operates at a voltage of 480 VAC. It is designed for robust applications with an interrupting capacity of 65 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-J6D3-D20-A-MU

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J6D3-D20-A-MU
Weight20.00 lbs (9.07 kg)
Frame SizeJ Frame
Number of Poles3 Poles
Continuous Current Rating200 A
Rated Operating Voltage480 VAC
Interrupting Rating65 kA
Trip Unit TypeThermal-Magnetic
Thermal TripFixed
Magnetic TripAdjustable
Mounting TypeBolt on Mount
Operating Temperature40 °C
Installation Altitude1000 m
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Part number 140U-J6D3-D20-A-MU is designed by Allen Bradley and belongs to the 140U MCB series. This molded case circuit breaker is built to deliver dependable protection in electric circuits. It features a frame size labeled as J, which accommodates its robust construction tailored for industrial use.

This breaker operates with a continuous current rating of 200 amperes, and its rated operating voltage stands at an impressive 480 VAC. It is equipped with an interrupting rating capable of handling up to 65 kA, thus ensuring protection against critical fault conditions in electrical circuits.

A thermal-magnetic trip unit manages protective functions in this circuit breaker, where the thermal trip is fixed while the magnetic trip is adjustable. The capabilities of this breaker allow for customization according to specific operational needs, making this model versatile for different applications.

Installation requires a bolt-on mounting method, and the 140U-J6D3-D20-A-MU operates optimally at an altitude of up to 1000 meters. It can work efficiently in environments with temperatures reaching 40 °C. This combination of specifications ensures that the 140U-J6D3-D20-A-MU circuit breaker meets rigorous standards for safety and performance in various industrial scenarios.