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Allen Bradley 140G MCB 140G-J6F3-D25

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

140G-J6F3-D25

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The 140G-J6F3-D25 molded case circuit breaker is an Allen-Bradley Bulletin 140G series circuit breaker with 3 poles and a Size J frame. It supports thermal and magnetic tripping, it supports adjustable trip ratings, and it supports mounting on a DIN Rail in any required position. The 140G-J6F3-D25 circuit breaker has a thermal trip range from 175 to 250 Amps and a magnetic trip range from 1250 to 2500 Amps. If it needs to be protected from dust and water or other liquids, it can be installed inside a cabinet. The ambient operating temperature range supported by the 140G-J6F3-D25 circuit breaker is from 0 to 40 degrees Celsius.

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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-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6F3-D25
UPC885630568676
Weight5.00 lbs (2.27 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range250 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/ hr.

The 140G-J6F3-D25 circuit breaker is an adjustable magnetic and adjustable thermal circuit breaker manufactured by Allen-Bradley. Circuit breakers like this one are used as protective units in any machine system or as a way to stop the operation of specific equipment. It can also be attached to and operate as the disconnect device of any control panel. These circuit breakers are usually included in closed-loop systems where the current tends to vary. The installation place of the Allen-Bradley 140G-J6F3-D25 adjustable magnetic and adjustable thermal circuit breaker must be a clean location with the right amount of ventilation, and without high amounts of dust and dirt. If it is used in a place with an altitude higher than 1000 meters above sea level, the 140G-J6F3-D25 circuit breaker will not operate at its maximum efficiency rating. The breaker will need to be derated for every 1000 meters of additional elevation. The temperature should not exceed 40 degrees Celsius.

The Allen-Bradley 140G-J6F3-D25 adjustable magnetic and adjustable thermal circuit breaker has a quick recovery process, meaning that after an interrupting mechanism has been activated, it can be put back into operation immediately, although it is recommended to perform periodic inspections to determine whether the breaker is in good enough condition to keep operating or if it needs to be replaced. The Allen-Bradley 140G-J6F3-D25 adjustable magnetic and adjustable thermal circuit breaker employs mechanical elements that get heated up by the current and thus perform a movement. The magnets are specially used to detect short circuit currents. The poles present in the circuit breaker are in charge of performing the interrupting action when necessary.

Revision Part #Also known as
140G-J6F3-D25 Ser A140G-J6F3-D25/A, Series A, Rev A
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