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140G-J3H4-D10

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The Allen-Bradley 140G-J3H4-D10 is engineered as a molded case circuit breaker, ensuring reliable performance in electrical distribution systems. It has a frame size classified as J and operates at a maximum current rating of 250 Amps, capable of interrupting up to 35 kA.

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Technical specifications for 140G-J3H4-D10

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-J3H4-D10
Product Type	Molded Case Circuit Breaker
Frame	J
Amps	250
Interrupting Rating	35 kA
Protection Type	Electronic LSI
Poles	4
Current Range	100 A
Rated Insulation Voltage	1000V
Rated Impulse Withstand Voltage	8 kV
Weight	7.72 lb
Mechanical Life	240 Operations/hr.
Electrical Life	120 Operations/hr.

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.

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The 140G-J3H4-D10 from Allen-Bradley functions as a molded case circuit breaker designed to deliver dependable electrical protection. Manufactured by Rockwell Automation, this device operates under a maximum current limit of 250 Amps. It features a significant interrupting capability of 35 kA, which is crucial for safeguarding against short circuits and overloads. The unit's frame is designated as J, accommodating various installation needs.

This model is equipped with electronic LSI protection, which provides the advantage of precise trip settings for long time, short time, and instantaneous responses. It is configured with four poles, making it suitable for three-phase applications or situations requiring split-phase configurations. The rated insulation voltage of 1000 volts allows for its use in high-voltage environments, adding to its versatility. Impulse withstand voltage is rated at 8 kV, ensuring protection against voltage spikes and surges.

The 140G-J3H4-D10 has a weight of 7.72 pounds, reflecting its robust construction while remaining manageable for installation. It achieves a mechanical life expectancy of 240 operations per hour, indicating durability in rigorous conditions. Its electrical life is rated at 120 operations per hour, making it suitable for continuous operation across various applications. This circuit breaker combines advanced features with reliability, essential for modern electrical systems.