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Allen Bradley 140G MCB 140G-J6H4-C40

Product image is representative; revision or series may vary. Contact us to request a specific version.

140G-J6H4-C40

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The 140G-J6H4-C40 circuit breaker from Allen-Bradley is a robust molded case device designed for reliability. It operates at a maximum rating of 250 Amps, ensuring strong performance in demanding applications. This model features an interrupting capacity of 65 kA and is equipped with electronic LSI protection to enhance safety during operation.

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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-J6H4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6H4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeElectronic LSI
Poles4
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-J6H4-C40, a molded case circuit breaker by Allen-Bradley, is engineered for comprehensive protection in electrical systems. With a frame designated as J, this breaker has a rated current of 250 Amps, making it fit for heavy-load situations. An impressive interrupting rating of 65 kA allows it to effectively manage fault conditions without compromising safety.

The protection offered by this breaker utilizes an electronic LSI design, providing robust defense against overloads. It features four poles, giving it versatility in various configurations. The circuit breaker operates within a thermal current range of 40 Amps, ensuring it meets specific application needs. Additionally, it supports a rated insulation voltage of 1000V, rendering this device appropriate for industrial environments.

For surge protection, the 140G-J6H4-C40 maintains a rated impulse withstand voltage of 8 kV, enhancing its reliability against transient surges. The unit weighs 7.72 lbs, allowing for straightforward installation in systems. Its mechanical life is rated for 240 operations per hour, while the electrical life is 120 operations per hour, ensuring durable performance during extended use. This combination of features makes the 140G-J6H4-C40 a trusted component in modern electrical infrastructure.

Revision Part #Also known as
140G-J6H4-C40 Ser A140G-J6H4-C40/A, Series A, Rev A
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