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Allen Bradley 140G MCB 140G-J3F3-D22

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140G-J3F3-D22

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The 140G-J3F3-D22 is a molded case circuit breaker manufactured by Allen-Bradley, a division of Rockwell Automation. This device supports a maximum current rating of 250 amps and features an interrupting capacity of 35 kA. Its design includes both adjustable thermal and magnetic protection for enhanced operational safety.

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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 140G-J3F3-D22

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F3-D22
Weight12.00 lbs (5.44 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range220 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J3F3-D22 is an advanced molded case circuit breaker developed by Allen-Bradley, a brand under Rockwell Automation. With a rated maximum current of 250 amps, this breaker is designed to manage significant electrical loads effectively. It has an interrupting rating of 35 kA, ensuring robust performance during fault conditions.

In terms of protective features, this model utilizes adjustable thermal and magnetic technologies, which allow for various configurations according to application needs. The device operates within a current range of 220 A and has a rated insulation voltage of 1000 volts, making it suitable for high-voltage environments. Additionally, the breaker can withstand impulse voltages of up to 8 kV, providing further durability against transient electrical surges.

The unit's physical weight stands at 5.51 pounds, contributing to its sturdy yet manageable installation. With a mechanical life of 240 operations per hour and an electrical lifespan rated at 120 operations per hour, the 140G-J3F3-D22 is engineered for reliable and consistent performance in demanding applications.

Revision Part #Also known as
140G-J3F3-D22 Ser A140G-J3F3-D22/A, Series A, Rev A
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