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Allen Bradley 140G MCB 140G-J2C3-C40

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140G-J2C3-C40

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The 140G-J2C3-C40 is a molded case circuit breaker from Allen-Bradley featuring a robust J-frame design. It operates at a maximum current of 250 Amps and provides an interrupting capacity of 25 kA, ensuring effective fault protection in various systems.

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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-J2C3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2C3-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range40 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2C3-C40 circuit breaker, a product of Allen-Bradley under Rockwell Automation, is engineered for dependable operation in electrical systems. This breaker has a molded case design. It offers a maximum current capability of 250 Amps and a rated current capability of 40 Amps. The device is also equipped with an interrupting rating of 25 kA to ensure safe interruption under fault conditions in a variety of environments.

This circuit breaker model comes with fixed thermal and fixed magnetic protection options that provide reliable operational safety and make it versatile for use in different applications. With a rated insulation voltage of 1000 volts, this breaker provides effective protection against electrical stress. Furthermore, it withstands an impulse voltage rating of up to 8 kV to manage voltage transients effectively.

At 5.51 pounds, the 140G-J2C3-C40 is designed for straightforward installation within existing electrical systems. This circuit breaker's mechanical life is rated for 240 operations per hour, while its electrical life is rated for 120 operations per hour, demonstrating its durability and reliable performance under continuous use. Overall, the 140G-J2C3-C40 circuit breaker is well-suited for industries that demand reliable circuit protection.

Revision Part #Also known as
140G-J2C3-C40 Ser A140G-J2C3-C40/A, Series A, Rev A
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