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Allen Bradley 140G MCB 140G-M5X3

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140G-M5X3

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The 140G-M5X3 frame is an Allen-Bradley/Rockwell Automation Bulletin 140G series circuit breaker frame. It does not come with a trip unit, but it can be connected to a compatible trip unit to create a complete circuit breaker. The 140G-M5X3 circuit breaker frame is a Size M circuit breaker frame and it has 3 poles. It supports different voltage ratings in different systems and applications. The 140G-M5X3 circuit breaker frame is designed to be used at ambient temperatures between 0 and 40 degrees Celsius or 32 and 104 degrees Fahrenheit.

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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-M5X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5X3
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeBreaker Frame
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/ hr.
Electrical Life60 Operations/ hr.

The 140G-M5X3 circuit breaker is a product from Allen-Bradley/Rockwell Automation. This unit forms part of the 140G series of molded case circuit breakers and it is one of the most sought-after circuit breakers under the Allen-Bradley brand name. It is also designed to run on a voltage of 600 Volts AC, and it weighs approximately 14.1 kilograms, with a rebuilt surplus of repair options. This unit comes with a 3-pole configuration and a current rating of 800 Amps and it fits in an M frame. It also comes with an interrupting rating of 50 kA at 480 Volts AC. It also features the bolt-on connectivity type. With this high interrupt capacity, this product has a competitive edge in the electronic accessories market. It also has thermal, magnetic, and electronic protection.

The 140G-M5X3 circuit breaker is designed to withstand an IEC breaking capacity of 50 kA at 415 Volts AC. It also features a frame-only current range with a frequency of 50 to 60 Hertz. The 140G-M5X3 circuit breaker has a variety of mounting options for enhancing convenience and ease of use. The product is manufactured to meet the IEC 60947-2, UL489, and the CSA22.2, No. 5 standards. It is also CE marked, CSA certified, and UL Listed. The circuit breaker has 3 operating phases and it also provides long-time and instantaneous power breakages and this makes it useful in situations that require speed and longevity. The 140G-M5X3 circuit breaker can be customized to suit different customer specifications. This circuit breaker is known for its quality and versatility in the protection of the branch and feeder circuits in industrial control applications.

Revision Part #Also known as
140G-M5X3 Ser A140G-M5X3/A, Series A, Rev A
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