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Allen Bradley 140G MCB 140G-J2I4-C40

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140G-J2I4-C40

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The Allen-Bradley 140G-J2I4-C40 molded case circuit breaker efficiently protects industrial electrical systems. With a current rating 40 amps and a maximum current of 250 amps, this device supports an interrupting capacity of 25 kA. It utilizes electronic LSIG protection and features four poles for versatile 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-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2I4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSIG
Poles4
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2I4-C40 from Allen-Bradley, under Rockwell Automation, is a robust molded-case circuit breaker designed for demanding electrical environments. This unit is characterized by its current rating of 40 amps and its substantial current-carrying capacity of 250 amps, making it suitable for a variety of industrial applications. It provides reliable performance with an interrupting rating of 25 kA, helping to protect equipment from damage during fault conditions.

Featuring electronic LSIG protection technology, the 140G-J2I4-C40 enhances circuit management by guarding against overloads and short circuits. Its four-pole configuration allows for versatile integration into multi-phase systems.

The device is rated to handle insulation voltages of up to 1000 Volts, ensuring safety in high-voltage applications. Additionally, it withstands impulse voltages rated at 8 kV, emphasizing its durability against transient events.

Weighing 7.72 pounds, the unit is lightweight enough to be manageable for installation while remaining sturdy. Its mechanical life rating is 240 operations per hour, and its electrical life rating is 120 operations per hour. Overall, the 140G-J2I4-C40 is a reliable choice for enhancing circuit protection and efficiency in various electrical installations.

Revision Part #Also known as
140G-J2I4-C40 Ser A140G-J2I4-C40/A, Series A, Rev A
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