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Allen Bradley 140G MCB 140G-K0X3

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140G-K0X3

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The 140G-K0X3 is a robust molded case circuit breaker engineered by Allen-Bradley. It has a frame size classified as K and can handle a maximum current rating of 400 amps. This breaker boasts an impressive interrupting capacity of 100 kA, making it suitable for high-demand applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-K0X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0X3
Weight15.00 lbs (6.80 kg)
FrameK
Amps400
Interrupting Rating100 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 Allen-Bradley 140G-K0X3 molded case circuit breaker is designed to ensure effective circuit protection. This device operates with a maximum current capacity rated at 400 amps. It falls under the K frame category, which is optimized for various electrical systems.

This breaker provides an interrupting rating of 100 kA and is capable of managing large fault currents efficiently. The protection option associated with this model is a breaker frame option, which guarantees reliable performance under different load conditions. The rated current option for the 140G-K0X3 is a frame-only option, allowing for focused applications.

Further enhancing its capabilities, the 140G-K0X3 features a rated insulation voltage of 1000V, which suits it for installation in industrial settings where high voltage occurs. Moreover, it withstands impulse voltages of up to 8 kV, providing an additional layer of safety against voltage surges.

Weighing 7.17 pounds, this molded-case circuit breaker is manageable while maintaining its robust specifications. It exhibits a mechanical life rating of 120 operations per hour and an electrical life rating of 60 operations per hour, ensuring durable operation over an extended period. The 140G-K0X3 is a reliable protective component for industrial electrical systems.

Revision Part #Also known as
140G-K0X3 Ser A140G-K0X3/A, Series A, Rev A
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