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Allen Bradley 140G MCB 140G-M5K3-D80

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140G-M5K3-D80

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The 140G-M5K3-D80 is an advanced molded case circuit breaker by Allen-Bradley within the Rockwell Automation portfolio. This robust device handles a substantial maximum current of 800 Amps and integrates electronic LSIG protection, ensuring reliability during electrical malfunctions.

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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-M5K3-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5K3-D80
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSIG
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-M5K3-D80 circuit breaker is designed for high-performance applications. It features an M frame construction, which is ideal for environments requiring robust electrical protection. This molded case circuit breaker can manage a maximum load of 800 Amps, making it suitable for demanding industrial scenarios.

The unit’s interrupting capacity is rated at 50 kA, facilitating effective operation under short circuit conditions. It employs electronic LSIG protection technology, which enhances reliability and ensures adequate response to overload and fault conditions. The breaker supports a rated insulation voltage of 1000 volts and can handle impulse withstand voltages reaching 8 kV, ensuring its resilience in challenging electrical environments.

At a weight of 26.68 pounds, the 140G-M5K3-D80 is manageable for installation and maintenance. The device is designed for a mechanical life expectancy of 120 operations per hour, in addition to an electrical life rating of 60 operations per hour, assuring longevity for continuous use across various applications.

Revision Part #Also known as
140G-M5K3-D80 Ser A140G-M5K3-D80/A, Series A, Rev A
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