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Allen Bradley 140G MCB 140G-JC6X3

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140G-JC6X3

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The 140G-JC6X3 is a molded case circuit breaker from Allen-Bradley, part of the Rockwell Automation line. This breaker is designed with a JC frame and is rated for a peak current of 250 Amps. It can handle an interrupting rating of up to 65 kA, providing robust protection for electrical systems.

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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-JC6X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JC6X3
Weight5.00 lbs (2.27 kg)
FrameJC
Amps250
Interrupting Rating65 kA
Protection TypeBreaker Frame
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JC6X3 model is an effective molded case circuit breaker manufactured by Allen-Bradley and incorporated into the Rockwell Automation product family. Capable of managing a maximum current of 250 Amps, this unit emphasizes safety and operational efficiency in demanding environments. With an impressive interrupting capacity of 65 kA, it ensures reliable performance during fault conditions.

The breaker is configured within a JC frame type, supporting robust designs tailored for high-performance needs. It operates efficiently at a rated insulation voltage of 1000 volts, necessary for various applications requiring durability against electrical stress. Additionally, it withstands impulse voltages of up to 8 kV, minimizing risks against transient voltage spikes.

Weighing in at 5.51 pounds, the unit is compact while remaining easy to install and manage. The 140G-JC6X3 is designed for longevity with a mechanical life rated at 240 operations per hour, and an electrical life estimated at 120 operations per hour, which illustrates its ability to function optimally in continuous operational settings. Overall, this molded case circuit breaker serves as a critical component for industrial systems, ensuring reliable electrical power management.

Revision Part #Also known as
140G-JC6X3 Ser A140G-JC6X3/A, Series A, Rev A
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