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Allen Bradley 140G MCB 140G-J6H3-C40

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140G-J6H3-C40

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The 140G-J6H3-C40 is a molded case circuit breaker created by Allen-Bradley. This unit has a J-frame design and operates at a maximum of 250 Amps. With an interrupting rating of 65 kA, it ensures reliable performance under fault conditions. This breaker features electronic LSI protection, providing precise trip settings for overload scenarios.

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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-J6H3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6H3-C40
Weight12.00 lbs (5.44 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeElectronic LSI
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-J6H3-C40 is a high-capacity molded case circuit breaker, part of the Allen-Bradley lineup designed for robust electrical protection. This device can accommodate a maximum current of 250 Amps, making it suitable for substantial load applications. It is engineered with an interrupting capacity of 65 kA, offering reliable fault protection in a variety of scenarios.

Incorporating electronic LSI protection features, this circuit breaker ensures fast, accurate responses to irregular current conditions. This feature provides enhanced safety and improved operational efficiency in any connected system. The current range spans 40 Amps, allowing for flexibility within its operational parameters.

This model is capable of handling a rated insulation voltage of 1000 volts, which ensures its reliability in high-voltage environments. Additionally, it is designed to endure impulse withstand voltages up to 8 kV, providing further resilience against transient surges.

With a compact weight of 5.51 pounds, the 140G-J6H3-C40 is designed for straightforward installation while maintaining a mechanical life of 240 operations per hour, and its electrical life is rated at 120 operations per hour, allowing for consistent performance during regular use. This molded case circuit breaker is a vital component in managing electrical systems safely and effectively.

Revision Part #Also known as
140G-J6H3-C40 Ser A140G-J6H3-C40/A, Series A, Rev A
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