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Allen Bradley 140G MCB 140G-KC0F3-D40

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140G-KC0F3-D40

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The 140G-KC0F3-D40 is a molded case circuit breaker manufactured by Allen-Bradley, a division of Rockwell Automation. It operates within a maximum current range of 400 Amps and features an interrupting capacity of 100 kA. This circuit breaker utilizes adjustable thermal and magnetic protection for enhanced reliability.

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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-KC0F3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KC0F3-D40
Weight10.00 lbs (4.54 kg)
FrameKC
Amps400
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-KC0F3-D40 is a carefully engineered molded case circuit breaker from Allen-Bradley's 140G series. Suitable for use in various industrial environments, this unit is designed to accommodate a maximum current of 400 Amps. It holds an interrupting rating of 100 kA, providing effective protection against circuit faults. The KC frame provides a sturdy construction that is essential in demanding applications.

Incorporating adjustable thermal and magnetic protection mechanisms, the 140G-KC0F3-D40 ensures operational flexibility tailored to different load requirements. It can manage rated insulation voltages of up to 1000V, making it resistant to high voltage conditions. Additionally, its capacity for withstanding impulse overloads is rated at 8 kV.

Weighing 7.17 lbs., this model is designed for easy handling and installation. The breaker's mechanical life is calculated at 120 operations per hour, while its electrical life is rated at 60 operations per hour, confirming its durability under typical usage scenarios. The combination of these specifications makes the 140G-KC0F3-D40 a reliable option for users requiring robust circuit protection and management.

Revision Part #Also known as
140G-KC0F3-D40 Ser A140G-KC0F3-D40/A, Series A, Rev A
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