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Allen Bradley 140G MCB 140G-M5K4-D60

Product image is representative; revision or series may vary. Contact us to request a specific version.

140G-M5K4-D60

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The 140G-M5K4-D60 is a heavy-duty molded case circuit breaker developed by Allen-Bradley. This component is rated at 800 Amps and features an interrupting capacity of 50 kA. It employs electronic LSIG protection, providing enhanced fault management in various 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-D60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5K4-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.

Part of the Rockwell Automation portfolio, the Allen-Bradley 140G-M5K4-D60 is designed as a molded case circuit breaker ideal for demanding electrical environments. Engineered with an impressive amperage rating of 800 Amps, it manages significant electrical loads while ensuring safety. The breaker integrates electronic LSIG protection, adding precision in response to current variations and enhancing overall system reliability.

Constructed with a frame type M, this model is capable of handling an interrupting rating of 50 kA, crucial for protecting against overcurrents and minimizing damage during fault conditions. Featuring four poles, it efficiently accommodates a current range of 600 A, confirming its applicability in various industrial setups.

This unit is rated for insulation at 1000 volts, allowing it to function safely in environments with high voltage requirements. It is also designed to withstand impulse voltages of up to 8 kV, thereby safeguarding critical components against potential surges.

The 140G-M5K4-D60 weighs 33.29 lb, making it a robust option for circuit protection installations. It boasts a mechanical life of 120 operations per hour and an electrical life rated at 60 operations per hour, illustrating its durability for ongoing industrial applications. Overall, this circuit breaker represents a well-rounded solution for maintaining electrical safety and efficiency across multiple types of equipment.

Revision Part #Also known as
140G-M5K4-D60 Ser A140G-M5K4-D60/A, Series A, Rev A
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