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Allen Bradley 140G MCB 140G-M5K4-D63

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140G-M5K4-D63

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The 140G-M5K4-D63 model from Allen-Bradley is a high-performance molded case circuit breaker. It operates at a substantial current rating of 800 Amps and is capable of handling an interrupting capacity of 50 kA, making it suitable for critical applications.

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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-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5K4-D63
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Poles4
Current Range630 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5K4-D63 by Allen-Bradley is engineered as a molded case circuit breaker specifically designed for robust applications. With its frame type designated as M, it supports an impressive current capacity of 800 Amps, ensuring stability in demanding electrical environments. This circuit breaker boasts an interrupting rating of 50 kA, providing essential protection against short circuits and overload conditions.

This unit employs electronic LSIG protection, offering advanced safety features that enhance overall system reliability. The breaker configuration includes four poles, making it adaptable for multiple-phase systems. A current range of 630 Amps allows for a broader application spectrum.

Rated for insulation voltages of up to 1000 volts, it is capable of enduring high-stress scenarios. The unit can also withstand impulse voltages of 8 kV, contributing to its operational reliability during transient events.

Weighing in at 33.29 pounds, the 140G-M5K4-D63 offers a substantial build, ensuring durability even in challenging conditions. Its mechanical life is rated at 120 operations per hour, while the electrical life stands at 60 operations per hour, providing solid performance metrics for prolonged use in industrial environments.

Revision Part #Also known as
140G-M5K4-D63 Ser A140G-M5K4-D63/A, Series A, Rev A
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