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Allen Bradley 140G MCB 140G-J2F4-D20

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140G-J2F4-D20

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The 140G-J2F4-D20 is an Allen-Bradley molded case circuit breaker from Rockwell Automation. It is engineered for superior reliability in electrical systems. With a current rating of 200 Amps, a maximum current capacity of 250 Amps, and an interrupting capability of 25 kA, it is designed to effectively protect against overloads and short circuits.

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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-J2F4-D20

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2F4-D20
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range200 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2F4-D20 circuit breaker was manufactured by Allen-Bradley under Rockwell Automation and is a high-performance molded case type of breaker. It is designed to accommodate a rated current of 200 Amps and a robust current capacity of 250 Amps, ensuring it can handle substantial electrical loads. It also has an interrupting rating of 25 kA to provide essential protection against excessive fault currents.

It includes four poles for versatile applications in multi-phase environments. This breaker's rated insulation voltage is 1000V, suitable for high-voltage scenarios. Furthermore, it can endure impulse withstand voltages of 8 kV, offering additional resilience in demanding electrical conditions.

At 7.72 pounds, the 140G-J2F4-D20 balances durability with ease of installation. Additionally, the device boasts a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour, making it a reliable choice for ongoing use in various industrial applications.

Revision Part #Also known as
140G-J2F4-D20 Ser A140G-J2F4-D20/A, Series A, Rev A
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