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Allen Bradley 140G MCB 140G-M0X3
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140G-M0X3

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The Allen-Bradley 140G-M0X3 frame is a circuit breaker frame from the Allen-Bradley/Rockwell Automation Bulletin 140G series. It is manufactured as a frame for trip modules from the Bulletin 140G series. A complete Bulletin 140G series circuit breaker includes a frame like the 140G-M0X3 circuit breaker frame and a trip module. It supports 800 Amps of rated current during operation. The 140G-M0X3 circuit breaker frame is designed to tolerate ambient operating temperatures between 0 and 40 degrees Celsius or 32 and 104 degrees Fahrenheit.

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Technical specifications for 140G-M0X3

ManufacturerEaton Cutler-Hammer
BrandEaton Cutler-Hammer
Part Number/Catalog No.140G-M0X3
Product TypeMolded Case Circuit Breaker
FrameM
Amps800
Interrupting Rating100 kA
Protection TypeBreaker Frame
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Weight26.68 lb
Mechanical Life120 Operations/ hr.
Electrical Life60 Operations/ hr.
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.

The 140G-M0X3 breaker frame by Allen-Bradley is a breaker frame for the M Frame circuit breaker family. The 140G-M0X3 breaker frame is a factory-supplied M Frame circuit breaker frame that provides overcurrent protection and thermal overload protection, and it can also be used as a switching device. The 140G-M0X3 breaker frame is suitable for 480 Volts AC applications/circuit, and it has a maximum operating voltage rating of 600 to 690 Volts AC per the UL, CSA, and IEC standard ratings. This circuit breaker frame has 3-pole wiring, with both line and load side bolt-on standard terminals for easy field installation. The 140G-M0X3 breaker frame has a maximum current rating of 800 Amps, and a maximum breaking capacity of 65 kA at 480 Volts AC.

The Allen-Bradley 140G-M0X3 breaker frame has a voltage withstand rating of 8 KiloVolts, and an insulation voltage rating of 1000 Volts AC. The 140G-M0X3 breaker frame has a mechanical lifetime rating of around 20,000 operations, and it also has an electrical lifespan rating of about 5000 operations at 415 Volts AC. The 140G-M0X3 breaker frame comes as a frame only, but it has snap-in accessory slots for various internal accessories like the auxiliary alarm, the auxiliary contact that can be used for indicating if the breaker is ON or OFF, and the shunt trip that allows for remote tripping. It provides a 1-meter-long pigtail wiring that provides simplified termination to internal accessories as a standard feature. The 140G-M0X3 breaker frame has an 80% efficient continuous load rating at 40 degrees Celsius, and it can be stored within a temperature range of -40 to 80 degrees Celsius. It has mounting dimensions of 210 x 103.5 x 268 millimeters, and an average shipping weight of 12.1 kilograms.

Revision Part #Also known as
140G-M0X3 Ser A140G-M0X3/A, Series A, Rev A
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