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Allen Bradley 140G MCB 140G-J2I4-D25

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140G-J2I4-D25

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The 140G-J2I4-D25 from Allen-Bradley is a robust molded-case circuit breaker designed for substantial electrical protection. It has a current capacity of 250 Amps. This unit is equipped with electronic LSIG protection and a high interrupting capacity of 25 kA that is suitable for various applications.

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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-J2I4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2I4-D25
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSIG
Poles4
Current Range250 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2I4-D25 is a molded case circuit breaker by Allen-Bradley under the Rockwell Automation brand. This breaker manages a high current capacity of 250 Amps, making it suitable for demanding applications. It is equipped with electronic LSIG protection technology, ensuring reliable functionality during overload, short circuit, and ground fault events. The modular design features four poles, facilitating multiple connectivity options for various configurations.

Its interrupting capacity is rated at 25 kA, providing assurance in critical fault conditions. The device supports a rated insulation voltage of 1000 volts, making it appropriate for high-voltage environments. Additionally, it withstands impulse voltages of up to 8 kV, safeguarding internal components against voltage spikes.

The unit weighs 7.72 pounds, offering a durable yet manageable design for installation purposes. Its mechanical lifespan is rated for 240 operations per hour and its electrical lifespan is 120 operations per hour, reflecting its endurance during frequent operation. In summary, the 140G-J2I4-D25 has the essential features necessary for effective electric circuit management, delivering reliability and protection across various industrial sectors.

Revision Part #Also known as
140G-J2I4-D25 Ser A140G-J2I4-D25/A, Series A, Rev A
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