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Allen Bradley 140G MCB 140G-M6X4

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140G-M6X4

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The 140G-M6X4 molded case circuit breaker by Allen-Bradley is suitable for demanding electrical environments. Designed with an 800 Amp capacity, it possesses an interrupting rating of 60 kA, ensuring reliable operation for safety protection.

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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-M6X4

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M6X4
Weight15.00 lbs (6.80 kg)
FrameM
Amps800
Interrupting Rating60 kA
Protection TypeBreaker Frame
Poles4
Current RangeFrame Only
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M6X4 from Allen-Bradley is a robust molded case circuit breaker intended for industrial applications. Operating at a significant capacity of 800 Amps, it effectively manages current and protects connected systems. Its interrupting capacity is rated at 60 kA, ensuring that it can handle fault conditions without failure.

This circuit breaker is classified under frame type M, which indicates its suitability for various mounting configurations. Featuring four poles, it allows for versatile circuit protection setups. With a rated insulation voltage of 1000 V, this device is capable of functioning reliably in high-voltage situations. Additionally, the rated impulse withstand voltage of 8 kV adds a crucial line of defense against transient voltages.

Weighing 33.29 pounds, the 140G-M6X4 is substantial but manageable for installation and maintenance. Its mechanical life estimation of 120 operations per hour indicates its durability, while the electrical life is rated at 60 operations per hour, reflecting its reliability for frequent use in challenging environments.

Revision Part #Also known as
140G-M6X4 Ser A140G-M6X4/A, Series A, Rev A
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