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Allen Bradley 140G MCB 140G-M5H4-D80

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140G-M5H4-D80

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Designed for robust applications, the 140G-M5H4-D80 molded case circuit breaker from Allen-Bradley features advanced electronic LSI protection. This device is rated for 800 Amps and has a substantial interrupting capacity of 50 kA, addressing high fault conditions effectively.

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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-M5H4-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5H4-D80
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSI
Poles4
Current Range800 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5H4-D80 product from Allen-Bradley is a molded case circuit breaker structured for reliable protection in electrical systems. With a frame designated as M, this model has a remarkable capabilities rating of 800 Amps, allowing it to manage significant electrical loads. The interruption capacity is rated at 50 kA, which is essential for safeguarding against fault currents that could potentially harm equipment.

Equipped with electronic LSI protection, the circuit breaker enhances system reliability and response accuracy to electrical anomalies. The device features four poles, making it versatile for various configurations in industrial settings. It operates effectively with a rated insulation voltage of 1000V, providing safe isolation in high-voltage applications. Additionally, the 140G-M5H4-D80 can withstand impulse voltage levels of up to 8 kV, safeguarding it against transient surges.

Weighing approximately 33.29 pounds, this molded case circuit breaker is substantial yet manageable during installation and maintenance. It is rated for a mechanical life of 120 operations per hour and an electrical life rating of 60 operations per hour, demonstrating its capacity for prolonged use in dynamic environments. The 140G-M5H4-D80 is thus well-suited for applications requiring robust and effective circuit protection.

Revision Part #Also known as
140G-M5H4-D80 Ser A140G-M5H4-D80/A, Series A, Rev A
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