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Allen Bradley 140G MCB 140G-KC6F3-D40

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140G-KC6F3-D40

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The 140G-KC6F3-D40 is an advanced molded case circuit breaker from Allen-Bradley, designed for robust electrical applications. It handles a maximum current rating of 400 Amps and features an interrupting rating of 65 kA, allowing it to manage substantial fault conditions efficiently.

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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-KC6F3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KC6F3-D40
Weight10.00 lbs (4.54 kg)
FrameKC
Amps400
Interrupting Rating65 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-KC6F3-D40 molded case circuit breaker by Allen-Bradley is engineered for effective electrical system protection. Operating in the KC frame, it manages current loads of up to 400 Amps. With a high interrupting rating of 65 kA, it efficiently addresses potential overcurrent scenarios.

This model features both adjustable thermal and magnetic protection mechanisms, allowing customization based on application requirements. The rated insulation voltage is 1000 volts, paired with an impulse withstand voltage rating of 8 kV, ensuring resilience under transient conditions.

Weighing 7.17 pounds, the 140G-KC6F3-D40 is designed to be both functional and durable. It supports a mechanical life of 120 operations per hour, accommodating frequent cycling needs, while its electrical life is rated at 60 operations per hour, making it suitable for industrial applications where reliability is crucial.

Revision Part #Also known as
140G-KC6F3-D40 Ser A140G-KC6F3-D40/A, Series A, Rev A
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