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Allen Bradley 140G MCB 140G-J3H3-D10

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

140G-J3H3-D10

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Designed for reliability, the 140G-J3H3-D10 from Allen-Bradley is a highly capable molded case circuit breaker. It operates at 250 amps and features an electronic LSI protection type, making it suitable for advanced electrical 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-J3H3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3H3-D10
Weight15.00 lbs (6.80 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSI
Current Range100 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J3H3-D10 is engineered as a molded case circuit breaker tailored for demanding electrical environments. With a J frame designation, this breaker is rated at 250 Amps, providing substantial current handling capabilities. It achieves an interrupting rating of 35 kA, ensuring it can effectively manage fault currents. Also, it utilizes electronic LSI protection technology to enhance circuit reliability.

The 140G-J3H3-D10 accommodates a current range of up to 100 A and operates at a rated insulation voltage of 1000 volts. It can endure impulse withstand voltages rating at 8 kV, contributing to its durability in volatile electrical conditions. With a weight of 5.51 pounds, this component is designed for ease of installation and integration into existing panel setups.

Regarding its operational longevity, the molded case circuit breaker features a mechanical life expectancy of 240 operations per hour. Additionally, it is rated for an electrical life of 120 operations per hour, affirming its reliability for continuous use in various industrial applications. Overall, the 140G-J3H3-D10 is a robust choice for safeguarding electrical installations.

Revision Part #Also known as
140G-J3H3-D10 Ser A140G-J3H3-D10/A, Series A, Rev A
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