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Allen Bradley 140G MCB 140G-KC6X3

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140G-KC6X3

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The 140G-KC6X3 is a robust molded case circuit breaker designed by Allen-Bradley, part of Rockwell Automation. It is rated for 400 Amps and has a 65 kA interrupting capacity, making it suitable for substantial fault management.

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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-KC6X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KC6X3
Weight10.00 lbs (4.54 kg)
FrameKC
Amps400
Interrupting Rating65 kA
Protection TypeBreaker Frame
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-KC6X3 from Allen-Bradley is specifically engineered as a molded case circuit breaker within the Rockwell Automation range. It operates efficiently at a current capacity of 400 Amps. The breaker’s interrupting rating reaches 65 kA, ensuring that it can handle substantial surge events effectively. The breaker also has a breaking frame and current limiting features that provide essential safeguards when operating under set specifications.

Designed for demanding environments, the product supports a rated insulation voltage of up to 1000 volts, allowing for applications in high-voltage scenarios. Additionally, the rated impulse withstand voltage of 8 kV provides an extra layer of protection against sudden voltage spikes.

With a total weight of 7.17 pounds, this unit is lightweight, facilitating easy installation processes. The 140G-KC6X3's mechanical life is rated at 120 operations per hour, indicating consistent reliability over its operational lifespan. Its electrical life rating of 60 operations per hour further accentuates its durability, making it a dependable choice for circuit protection in various industrial applications.

Revision Part #Also known as
140G-KC6X3 Ser A140G-KC6X3/A, Series A, Rev A
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