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Allen Bradley 140G MCB 140G-J2H4-D10

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

140G-J2H4-D10

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The 140G-J2H4-D10 is a molded-case circuit breaker capable of handling demanding electrical tasks. It has a type J frame and supports a maximum current rating of 250 Amps. Its rated current is 100 A, and it includes electronic LSI protection technology for efficient functionality.

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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-J2H4-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2H4-D10
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSI
Poles4
Current Range100 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.

The 140G-J2H4-D10 breaker model from Allen-Bradley and Rockwell Automation is a high-capacity molded case circuit breaker tailored for rigorous electronic applications. It features a robust frame classified as a type J frame. It is designed to support a rated current of 100 Amps and a maximum current of up to 250 Amps. This circuit breaker incorporates an interrupting capacity of 25 kA, ensuring it can effectively manage fault conditions without failure.

The breaker's protection mechanism includes electronic LSI technology, which enhances its accuracy and efficiency. This circuit breaker has a four-pole configuration, allowing versatile usage in various systems. It can provide tailored protection for a significant load.

With a rated insulation voltage of 1000 volts, the 140G-J2H4-D10 ensures reliable performance in high-voltage applications. Additionally, it can withstand impulse voltages of up to 8 kV, safeguarding against sudden surges that can negatively affect electrical components.

Weighing 7.72 lbs., this circuit breaker is designed to be easy to install. Its mechanical life is rated at 240 operations per hour, indicating durability during frequent mechanical actuation. Furthermore, its electrical life rating is 120 operations per hour, emphasizing its dependable nature in continuous service applications. Overall, this circuit breaker is engineered to provide critical protection and operational reliability for extensive electrical systems.

Revision Part #Also known as
140G-J2H4-D10 Ser A140G-J2H4-D10/A, Series A, Rev A
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