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Allen Bradley 140G MCB 140G-JTF3-D10

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

140G-JTF3-D10

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The 140G-JTF3-D10, manufactured by Allen-Bradley under Rockwell Automation, is designed for electrical safety and reliability. As a molded case circuit breaker, it features a JC frame and supports a substantial current rating of 250 Amps. The breaker incorporates adjustable thermal and magnetic protection systems for enhanced circuit management.

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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-JTF3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTF3-D10
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Current Range100 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-JTF3-D10 molded case circuit breaker is a critical component for electrical protection. It is manufactured by Rockwell Automation and features a robust JC frame construction. With a rated current of 250 Amps, this breaker ensures optimal performance for demanding electrical systems. Its adjustable thermal and magnetic trip functions allow for precise customization to suit various operational needs.

The current operating range of this unit extends up to 100 Amps, providing flexibility in diverse applications. It also offers a rated insulation voltage of 1000 V, ensuring safe operation even in high-voltage contexts. This device withstands impulse voltages rated at 8 kV, enhancing its durability against transient surge events.

Weighing 5.51 pounds, the 140G-JTF3-D10 is designed for ease of installation. The mechanical life spans 240 operations per hour, while the electrical life is rated at 120 operations per hour, which suggests a reliable performance in continuous operations. Overall, this circuit breaker is suitable for both general purpose and specific feeder applications.

Revision Part #Also known as
140G-JTF3-D10 Ser A140G-JTF3-D10/A, Series A, Rev A
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