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Allen Bradley 140G MCB 140G-M5H4-D63

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140G-M5H4-D63

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The 140G-M5H4-D63 is designed as a molded case circuit breaker under Allen-Bradley's brand. Rated at 800 amps with a robust interrupting capacity of 50 kA, it ensures reliable operation. This circuit breaker operates with an electronic LSI protection system and features four poles, making it suitable for various electrical systems.

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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-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5H4-D63
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSI
Poles4
Current Range630 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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Model 140G-M5H4-D63 from Allen-Bradley is an advanced molded case circuit breaker capable of managing significant electrical demands. Designed to handle a maximum current rating of 800 Amps, it is suitable for demanding applications.

This unit incorporates an interrupting rating of 50 kA which ensures it can withstand and react promptly during fault conditions. It features a modern electronic LSI protection type, optimizing performance and reliability. With four poles, this circuit breaker is versatile for various configurations.

The device can handle a current range up to 630 A and operates at a rated insulation voltage of 1000 volts, making it fit for high-voltage environments. Additionally, it withstands impulse voltages rated up to 8 kV. This enhances the breaker’s resilience during electrical disturbances.

At a weight of 33.29 pounds, the 140G-M5H4-D63 can be easily handled and installed. It has an expected mechanical life of 120 operations per hour and an electrical life of 60 operations per hour, confirming its durability for long-term use in industrial settings. This circuit breaker plays a crucial role in maintaining operational safety and efficiency.

Revision Part #Also known as
140G-M5H4-D63 Ser A140G-M5H4-D63/A, Series A, Rev A
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