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Allen Bradley 140G MCB 140G-J3C3-C25

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140G-J3C3-C25

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The 140G-J3C3-C25 is a molded case circuit breaker manufactured by Allen-Bradley, under the Rockwell Automation brand. It is designed with a size J frame, and it has a maximum rated current of 250 amps and an interrupting capacity of 35 kA.

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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-J3C3-C25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3C3-C25
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range25 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-J3C3-C25 is a molded case circuit breaker notable for its substantial current handling capabilities. Its frame is a size J frame, and it is rated for 250 amps of maximum current. This circuit breaker ensures protection against electrical faults with an interrupting rating of 35 kA.

The design includes fixed thermal and fixed magnetic protection options, providing robust and reliable circuit management. It is tailored for 25 A of rated current. Its rated insulation voltage is 1000 volts, making it suitable for high-voltage operations. Additionally, it has rated impulse withstand voltage capabilities of up to 8 kV, enhancing its resilience in dynamic electrical environments.

Weighing 5.51 pounds, the unit is designed for practical installation while maintaining durability. It features a mechanical life rating of 240 operations per hour, alongside an electrical life rating of 120 operations per hour, assuring longevity and performance in various operational conditions. The 140G-J3C3-C25 circuit breaker thus provides dependable protection for electrical systems, ensuring operational safety and reliability.

Revision Part #Also known as
140G-J3C3-C25 Ser A140G-J3C3-C25/A, Series A, Rev A
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