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

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140U-J6D3-D20-A

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The 140U-J6D3-D20-A from Allen Bradley is a molded case circuit breaker designed for efficient current protection. This device operates with a rated current of 200 amps and offers versatility across different voltage levels, specifically rated for 480/600 VAC.

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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

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J6D3-D20-A
Weight20.00 lbs (9.07 kg)
Frame SizeJ-Frame
Number of Poles3 Poles
Rated Current200 A
Interrupting Rating at 480 V AC65 KA
Voltage Rating480/600 VAC
Trip Unit TypeThermal-Magnetic
Thermal ProtectionFixed Thermal
Magnetic ProtectionAdjustable Magnetic Trip
Current LimitingYes
Minimum Frequency50 Hz
Maximum Frequency60 Hz
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The 140U-J6D3-D20-A molded case circuit breaker by Allen Bradley is integral in electrical systems for providing an effective means of protecting against overloads and short circuits. This model features a robust design, classified under the 140U MCB series, and is built with a J-frame size that supports three poles.

It is suitable for applications requiring a rated current of 200 A and has the capacity to handle voltage ratings of 480/600 VAC. This circuit breaker stands out with an interrupting rating of 65 KA at 480 V AC, enabling it to safely disconnect power during fault conditions.

At the core of its protective capability is a thermal-magnetic trip unit, offering fixed thermal protection to prevent overheating. Additionally, the adjustable magnetic trip feature allows for user customization based on specific application needs. The unit is capable of current limiting, helping to manage fault currents effectively.

Operating across a frequency range from 50 Hz to 60 Hz, the 140U-J6D3-D20-A is designed for a wide array of industrial settings. Its sturdy construction and advanced protective features make it a reliable choice for maintaining electrical system integrity.