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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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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | 140G MCB |
| Part Number | 140G-J6F3-D20 |
| UPC | 885630568683 |
| Weight | 4.38 lbs (1.98 kg) |
| Frame | J |
| Amps | 250 |
| Interrupting Rating | 65 kA |
| Protection Type | Adjust Thermal/ Adjust Magnetic |
| Current Range | 200 A |
| Rated Insulation Voltage | 1000V |
| Rated Impulse Withstand Voltage | 8 kV |
| Mechanical Life | 240 Operations/hr. |
| Electrical Life | 120 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 A | 140G-J6F3-D20/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
The Allen-Bradley 140G-J6F3-D20 Molded Case Circuit Breaker has a J Frame and 250 Amps. It also has a 65 kA Interrupting Rating and 3 Poles.