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Allen Bradley 140G MCB 140G-M5K4-D80

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140G-M5K4-D80

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The 140G-M5K4-D80 by Allen-Bradley is a robust molded case circuit breaker designed for applications requiring significant power management. With an ampacity of 800 amps, it effectively handles demanding operational loads while providing enhanced 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-M5K4-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5K4-D80
Weight10.00 lbs (4.54 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Poles4
Current Range800 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-M5K4-D80 molded case circuit breaker offers a comprehensive solution for protecting electrical systems. Operating under a frame type designated as M, this unit can handle up to 800 amps, making it suitable for heavy-duty applications. It supports a four-pole design, allowing for flexibility in installation within various electrical setups. The electronic LSIG protection type incorporated into this module provides precise trip features, enhancing safety and operational efficiency.

The interrupting capacity of 50 kA enables this circuit breaker to manage fault conditions effectively, promoting system reliability. It is rated for insulation voltages reaching 1000 volts, ensuring it can handle high-voltage environments safely. The impulse withstand voltage rating of 8 kV enhances its resilience against voltage spikes, contributing to stable operation in unpredictable situations.

The device has a net weight of 33.29 pounds. Its mechanical lifecycle allows for up to 120 operations every hour, contributing to its durability in demanding scenarios. Additionally, it maintains an electrical life expectancy of 60 operations per hour. Overall, the 140G-M5K4-D80 represents a solid choice for a molded case circuit breaker, providing vital protection and operational integrity in various industrial applications.

Revision Part #Also known as
140G-M5K4-D80 Ser A140G-M5K4-D80/A, Series A, Rev A
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