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Allen Bradley 140G MCB 140G-K6I4-D40

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140G-K6I4-D40

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The 140G-K6I4-D40 is a molded case circuit breaker designed for high-performance applications. Rated for 400 Amps and equipped with an interrupting capacity of 65 kA, it effectively ensures electrical safety in various systems.

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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-K6I4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6I4-D40
Weight32.00 lbs (14.51 kg)
FrameK
Amps400
Interrupting Rating65 kA
Protection TypeElectronic LSIG
Poles4
Current Range400 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-K6I4-D40 from Allen-Bradley is a sturdy molded-case circuit breaker intended for robust electrical protection. It is manufactured by Rockwell Automation and is rated for a maximum current of 400 Amps. The device's K-frame allows for versatile installation in various environments. This model includes an interrupting rating of 65 kA, which is crucial for managing high fault currents.

This unit operates with four poles, providing effective protection in multi-phase circuits. It utilizes electronic LSIG protection mechanisms, ensuring reliable performance against overloads and short circuits. Designed for high-voltage applications, it supports a rated insulation voltage of 1000 V, enhancing its safety in demanding setups. Additionally, the breaker is capable of withstanding impulse voltages of up to 8 kV, allowing it to endure transient voltage spikes.

The total weight of this unit is 9.15 lbs., facilitating ease of installation. The breaker's mechanical life is rated at 120 operations per hour, while it supports an electrical life of 60 operations per hour. Together, these characteristics make the 140G-K6I4-D40 a dependable component in industrial and commercial electrical systems.

Revision Part #Also known as
140G-K6I4-D40 Ser A140G-K6I4-D40/A, Series A, Rev A
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