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Allen Bradley 140G MCB 140G-K6K3-D40

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140G-K6K3-D40

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The 140G-K6K3-D40 from Allen-Bradley is a robust molded-case circuit breaker with a current rating of 400 amps. Engineered for high-performance applications, it provides an interrupting capacity of 65 kA and operates under electronic LSIG and MM protection.

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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-K6K3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6K3-D40
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating65 kA
Protection TypeElectronic LSIG
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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Allen-Bradley's 140G-K6K3-D40 is a molded-case circuit breaker ideal for commercial and industrial environments. The device can handle currents up to 400 Amps, making it suitable for applications with significant power requirements. With a 65 kA interrupting rating, it effectively safeguards connected circuits during overload situations.

This model features a K frame tailored to accommodate rigorous functionality. Protection is provided via electronic LSIG and MM mechanisms, enhancing the breaker's capability to react to disturbances in the electrical supply. The 140G-K6K3-D40 circuit breaker's rated insulation voltage is set at 1000 volts, ensuring it meets demanding voltage specifications while maintaining operational integrity. The rated impulse withstand voltage of 8 kV aids in protecting against voltage surges.

Weighing 7.17 pounds, this breaker is designed for straightforward installations and long-term operations. It has a mechanical lifespan of 120 operations per hour along with an electrical lifespan of 60 operations per hour, confirming its reliability over extended use in various environments.

Revision Part #Also known as
140G-K6K3-D40 Ser A140G-K6K3-D40/A, Series A, Rev A
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