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Allen Bradley 140G MCB 140G-J6F4-D11

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140G-J6F4-D11

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The 140G-J6F4-D11 is a high-capacity molded case circuit breaker designed by Allen-Bradley. It operates with a current rating of 250 amps and has an interrupting capacity of 65 kA. This circuit breaker features both adjustable thermal and magnetic protection, making it versatile for various applications.

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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-J6F4-D11

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6F4-D11
Weight12.00 lbs (5.44 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range110 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J6F4-D11 is a robust component categorized as a molded case circuit breaker within the Rockwell Automation family. It is designed with a frame type J, supporting a maximum current of 250 amps. The device can interrupt fault currents rated at 65 kA, which aids in safeguarding electrical systems.

Incorporating adjustable thermal and magnetic trip mechanisms, this breaker allows fine-tuning for specific operational needs. The four-pole configuration offers flexibility for various circuit designs, making it suitable for a range of applications. The operational limits extend to a current range of 110 A, ensuring ample headroom for varying demands.

Rated for insulation up to 1000 volts, the 140G-J6F4-D11 is capable of withstanding impulse voltages of 8 kV. Weighing in at 7.72 pounds, it is designed for convenient installation. The mechanical life expectancy of this circuit breaker is rated at 240 operations per hour, while it has an electrical life of 120 operations per hour, providing longevity and reliability in active service.

Revision Part #Also known as
140G-J6F4-D11 Ser A140G-J6F4-D11/A, Series A, Rev A
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