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Allen Bradley 140G MCB 140G-M5I4-D60

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140G-M5I4-D60

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The 140G-M5I4-D60 is an Allen-Bradley molded case circuit breaker designed for high-capacity applications. With a robust amperage rating of 800 Amps, it features an interrupting rating of 50 kA and includes four poles. This model is equipped with electronic LSIG protection, ensuring effective circuit management.

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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-D60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5I4-D60
Weight10.00 lbs (4.54 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Poles4
Current Range600 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5I4-D60 from Allen-Bradley stands as part of the renowned 140G series of molded case circuit breakers. This particular model is engineered with a maximum current rating of 800 Amps, facilitating its use in demanding electrical environments. The unit features a frame classification of M, ensuring durability and compatibility for various installations.

With an interrupting rating of 50 kA, the breaker is capable of handling severe fault conditions, providing safety for connected equipment. For protection, the 140G-M5I4-D60 is designed with electronic LSIG functionality, allowing for precise monitoring and trip characteristics.

This device incorporates four poles, supporting complex circuit arrangements and delivering dependable performance. It can endure a current range of 600 A, which aligns well with industrial requirements. The proven insulation capability reaches up to 1000 volts and it withstands impulse voltages rated at 8 kV, underscoring its reliability.

Weighing 33.29 pounds, the unit is robust yet manageable for installation purposes. The mechanical endurance is rated at 120 operations per hour, ensuring longevity under typical usage conditions, while the electrical life is specified at 60 operations per hour. The 140G-M5I4-D60 is thus a critical component for effective circuit protection and management in various applications.

Revision Part #Also known as
140G-M5I4-D60 Ser A140G-M5I4-D60/A, Series A, Rev A
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