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Allen Bradley 140G MCB 140G-K6K4-D40

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140G-K6K4-D40

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The 140G-K6K4-D40 is a robust molded case circuit breaker from Allen-Bradley, part of the Rockwell Automation series. Equipped to handle 400 amps of maximum current, it features an interrupting capacity rated at 65 kA. This model utilizes electronic LSIG and MM protection and offers a four-pole configuration for versatile applications.

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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-K6K4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6K4-D40
Weight32.00 lbs (14.51 kg)
FrameK
Amps400
Interrupting Rating65 kA
Protection TypeElectronic LSIG
Poles4
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-K6K4-D40 circuit breaker is designed for durability and high-capacity performance. This molded-case circuit breaker, made by Rockwell Automation, operates at a maximum current of 400 amps and features a robust interrupting rating of 65 kA, making it suitable for protecting circuits in demanding environments.

With a frame designation of size K, this model is configured with four poles, ensuring compatibility with various electrical setups. The electronic LSIG and MM protection technology enhances its capability to manage overload and fault conditions effectively. Ensuring safety in critical operations, it supports a rated insulation voltage of 1000 volts, which is essential for high-voltage applications.

The TLY-A230T-HJ64AA's impulse withstand voltage is rated at 8 kV, providing additional security against transient voltages. Weighing 9.15 pounds, it is manageable for easy installation. This circuit breaker boasts a mechanical operational life rated at 120 operations per hour, indicating a robust design suitable for frequent use, while its electrical life stands at 60 operations per hour, reflecting dependable long-term functionality. Overall, the 140G-K6K4-D40 circuit breaker is built to perform under rigorous electrical demands, ensuring operational integrity.

Revision Part #Also known as
140G-K6K4-D40 Ser A140G-K6K4-D40/A, Series A, Rev A
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