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Allen Bradley 140G MCB 140G-M5I4-D80

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140G-M5I4-D80

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The 140G-M5I4-D80 is a robust molded case circuit breaker from Allen-Bradley, designed to provide advanced protection in electrical applications. This model supports a substantial current capacity of 800 Amps and features an interrupting rating of 50 kA.

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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-M5I4-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5I4-D80
Weight32.00 lbs (14.51 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-M5I4-D80 molded case circuit breaker is an integral part of electrical protection systems. Operating at a maximum capacity of 800 Amps, this model effectively handles high electrical loads. It is constructed within an M-frame and designed to deliver reliable operation in demanding environments.

This circuit breaker has an interrupting rating of 50 kA, making it suitable for high fault current situations. Incorporating advanced electronic LSIG protection, it intelligently monitors and manages electrical currents, enhancing overall system safety. Crafted with four poles, it facilitates versatile applications and connections.

The rated insulation voltage for the 140G-M5I4-D80 stands at 1000 volts, ensuring its effectiveness in high-voltage setups. It can endure impulse withstand voltages of 8 kV, providing additional resilience against transient disturbances. The unit weighs 33.29 pounds, presenting an adequate yet manageable option for installation. With a mechanical life expectation of 120 operations per hour and an electrical life of 60 operations per hour, this circuit breaker is designed for durability and continuous operation in various settings.

Revision Part #Also known as
140G-M5I4-D80 Ser A140G-M5I4-D80/A, Series A, Rev A
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