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140G-J3F4-D16

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The 140G-J3F4-D16 from Allen-Bradley is an adjustable molded case circuit breaker designed for robust performance. This device is rated for 250 Amps and boasts a significant interrupting capacity of 35 kA.

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Technical specifications for 140G-J3F4-D16

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-J3F4-D16
Product Type	Molded Case Circuit Breaker
Frame	J
Amps	250
Interrupting Rating	35 kA
Protection Type	Adjust Thermal/ Adjust Magnetic
Poles	4
Current Range	160 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-J3F4-D16 molded case circuit breaker, manufactured by Allen-Bradley under Rockwell Automation, is engineered for high-efficiency electrical applications. This unit is appointed with a J-frame and handles a maximum rating of 250 Amps. Its interrupting capability is substantial at 35 kA, making it suitable for high-load scenarios and ensuring effective protection during fault conditions.

Equipped with four poles, the breaker operates with adjustable thermal and magnetic protection, allowing for configuration according to specific system demands. The current handling capability extends to 160 A, providing flexibility across diverse applications. Rated insulation voltage stands at 1000V, suitable for various industrial environments, while the rated impulse withstand voltage of 8 kV adds resilience against spikes.

This model weighs 7.72 pounds, making it manageable for various installation scenarios. The mechanical life of the device is rated for 240 operations per hour, promoting longevity and reliability under operational stresses. Meanwhile, an electrical lifespan of 120 operations per hour ensures consistent performance over time, optimizing the effectiveness of the 140G-J3F4-D16 in deployment.