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Allen Bradley 140G MCB 140G-M5I3-D63

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140G-M5I3-D63

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The Allen-Bradley 140G-M5I3-D63 is a molded case circuit breaker designed for heavy-duty applications. Operating at 800 Amps, it fulfills significant electrical load requirements. With an interrupting rating of 50 kA, this device is engineered for reliable performance.

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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-M5I3-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5I3-D63
Weight20.00 lbs (9.07 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Current Range630 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5I3-D63 by Allen-Bradley, under Rockwell Automation, stands as a robust solution in the realm of molded case circuit breakers. This model is adept at handling a maximum load of 800 Amps. It is equipped with an electronic LSIG protection system which enhances its functionality in various applications. The circuit breaker boasts a significant interrupting capacity of 50 kA, providing the necessary safeguards for electrical circuits.

Designed specifically for demanding environments, this breaker operates in a current range of up to 630 A. It maintains a rated insulation voltage of 1000 volts, making it suitable for high-voltage applications. Additionally, the 140G-M5I3-D63 can endure impulse withstand voltages rated at 8 kV, which is crucial for protecting against transient voltage spikes.

The weight of the breaker is 26.68 pounds, ensuring that it remains durable yet manageable for installation. Its mechanical life spans 120 operations per hour, affirming its reliability in extended use. The electrical life is rated at 60 operations per hour, demonstrating the performance consistency expected from the 140G-M5I3-D63 circuit breaker. This unit is designed to handle rigorous requirements while ensuring efficiency and safety in electrical systems.

Revision Part #Also known as
140G-M5I3-D63 Ser A140G-M5I3-D63/A, Series A, Rev A
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