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140G-J3F4-C90

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The 140G-J3F4-C90 is a molded case circuit breaker developed by Allen-Bradley, part of Rockwell Automation. Rated for 250 amps, it offers adjustable thermal and magnetic protection, making it adaptable for various applications. It boasts a significant interrupting capacity of 35 kA and is suitable for 90 A current range operations.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.

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Technical specifications for 140G-J3F4-C90

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-J3F4-C90
Product Type	Molded Case Circuit Breaker
Frame	J
Amps	250
Interrupting Rating	35 kA
Protection Type	Adjust Thermal/ Adjust Magnetic
Poles	4
Current Range	90 A
Rated Insulation Voltage	1000 V
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-C90 molded case circuit breaker, manufactured by Allen-Bradley under Rockwell Automation, is designed for reliable circuit protection. It operates effectively with a maximum current rating of 250 amps. This unit is equipped with an interrupting rating of 35 kA, providing strong protection against electrical faults. It incorporates adjustable thermal and magnetic trip mechanisms, enabling precise settings to match specific application requirements.

This model features four poles, ensuring versatility for three-phase configurations. With a current range of 90 A, it has the capability to provide effective protection across various circuit conditions. The rated insulation voltage stands at 1000 volts, suitable for high-voltage applications, while it can also handle impulse withstand voltages reaching up to 8 kV.

Weighing in at 7.72 pounds, the breaker is manageable for installation in standard panels. The 140G-J3F4-C90 also features impressive operational reliability, capable of achieving 240 mechanical operations per hour along with an electrical lifespan of 120 operations per hour. This combination of features and specifications makes the 140G-J3F4-C90 an ideal choice for ensuring safe and effective electrical protection.