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Allen Bradley 140G MCB 140G-J3F4-C80

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140G-J3F4-C80

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The 140G-J3F4-C80 is a molded case circuit breaker manufactured by Allen-Bradley, part of Rockwell Automation. This unit takes advantage of a four-pole configuration and can handle a maximum load of 250 Amps. With an interrupting capacity of 35 kA, it is tailored for protecting electrical circuits against fault conditions.

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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-J3F4-C80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F4-C80
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range80 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-J3F4-C80, part of the molded case circuit breaker series, offers critical protection for electrical systems. This device is rated for a maximum capacity of 250 Amps, ensuring effective circuit management and reliability. It possesses an interrupting capacity of 35 kA, which safeguards against short circuits and overloads.

This circuit breaker features a J-frame design and includes four poles, allowing for multi-phase operation. The adjustable thermal and magnetic protection types offer versatility in preventative measures against electrical faults. A current range of 80 A allows the breaker to be utilized in various applications requiring specific load management.

The rated insulation voltage of the 140G-J3F4-C80 reaches up to 1000 volts, indicating its suitability for high-voltage environments. Additionally, its impulse withstand voltage rating of 8 kV enhances its capability to handle unexpected electrical surges. Weighing 7.72 pounds, this unit is manageable for integration into existing setups.

This model ensures a dependable lifecycle, with a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour. The Allen-Bradley 140G-J3F4-C80 is built to operate efficiently and safely, aligning with various industrial needs.

Revision Part #Also known as
140G-J3F4-C80 Ser A140G-J3F4-C80/A, Series A, Rev A
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