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Allen Bradley 140G MCB 140G-J6F4-D25

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140G-J6F4-D25

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The 140G-J6F4-D25 is a molded case circuit breaker from Allen-Bradley designed for robust performance. This unit is rated for a maximum current of 250 Amps and offers an interrupting capacity of 65 kA, making it suitable for various demanding 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-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6F4-D25
Weight12.00 lbs (5.44 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range250 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-J6F4-D25 is a dependable molded case circuit breaker recognized for its capability to protect crucial electrical circuits. It is classified under the J-frame design and can manage a substantial maximum current of 250 Amps. The device provides excellent overload protection with an interrupting rating of 65 kA, suitable for intensive electrical environments.

With four poles, this circuit breaker is versatile in various configurations, allowing for ease of installation in multi-phase applications. The adjustable thermal and magnetic protection mechanisms allow users to customize settings according to specific operational requirements. This enhances the effectiveness and reliability of the device in prominent applications.

Its rated insulation voltage reaches up to 1000 volts, indicating adequate performance in high-voltage environments. Additionally, the rated impulse withstand voltage is 8 kV, which ensures resilience against electrical surges. Weighing 7.72 pounds, the 140G-J6F4-D25 balances performance and practicality in design.

This model also boasts a mechanical life of 240 operations per hour and an electrical life rating of 120 operations per hour, underlining its longevity and suitability for continuous usage in various settings. Overall, the 140G-J6F4-D25 circuit breaker is designed to provide reliable protection in challenging electrical applications.

Revision Part #Also known as
140G-J6F4-D25 Ser A140G-J6F4-D25/A, Series A, Rev A
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