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Allen Bradley 140G MCB 140G-J6F3-D20

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

140G-J6F3-D20

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The 140G-J6F3-D20 molded case circuit breaker is an Allen-Bradley/Rockwell Automation molded case circuit breaker from the Bulletin 140G series. It is equipped with 3 poles, a Size J frame, and adjustable thermal and magnetic tripping options. The 140G-J6F3-D20 molded case circuit breaker’s thermal trip range is between 140 and 200 Amps and its magnetic trip range is between 1000 and 2000 Amps. This circuit breaker can be mounted on a DIN Rail and it can be mounted in almost any position. The 140G-J6F3-D20 molded case circuit breaker is rated for ambient operating temperatures between 32 and 104 degrees Fahrenheit.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-J6F3-D20

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6F3-D20
UPC885630568683
Weight4.38 lbs (1.98 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range200 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/ hr.

The 140G-J6F3-D20 circuit breaker is an Allen-Bradley circuit breaker that is employed in automatic machine systems as a protective unit. Circuit breakers have the ability to regenerate from each tripping action that has been performed previously. It comes with 3 poles connected to it that react once an abnormal condition had been detected. When the breaker has been operating for a while, it is recommended to perform inspections in order to determine whether the breaker is still in good enough condition to continue operating. This inspection can be done through the system and the breaker can be set in a maintenance mode while it is still on. It is important to try to resolve any fault that is present and reset the breaker for regular operations after it performs an interrupting action.

The Allen-Bradley 140G-J6F3-D20 circuit breaker operates with a current rating of 200 Amps and it operates with a frequency of 50 to 60 Hertz and a voltage that starts off at 200 Volts AC and can reach up to 600 Volts AC. One of the disadvantages of thermal circuit breakers is that they are highly affected by high temperatures. The 140G-J6F3-D20 circuit breaker should not, under any circumstances, be exposed to temperatures higher than 50 degrees Celsius without proper ventilation. Also, when operating at temperatures below 0 degrees Celsius, the users need to know that it can be affected by possible ice formations around it. The Allen-Bradley 140G-J6F3-D20 circuit breaker can be equipped with accessories such as shunt trips, trip units, and alarm contacts. These tools can contribute positively and improve the performance of the circuit breaker.

Revision Part #Also known as
140G-J6F3-D20 Ser A140G-J6F3-D20/A, Series A, Rev A
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