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The Allen-Bradley 140G-H2C3-C20 circuit breaker is a molded case circuit breaker from the Bulletin 140G product line. It is a thermal/magnetic type of molded case circuit breaker that supports fixed thermal and magnetic trip ratings. The 140G-H2C3-C20 molded case circuit breaker specifically supports a thermal trip rating of 20 Amps and a magnetic trip rating of 400 Amps. This device comes with 3 poles, a Size H frame, end cap terminals, and back plates. The 140G-H2C3-C20 molded case circuit breaker also supports DIN Rail mounting, installation in a protective cabinet, and an ambient operating temperature range from 32 to 104 degrees Fahrenheit.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | 140G MCB |
| Part Number | 140G-H2C3-C20 |
| UPC | 885630445885 |
| Weight | 3.25 lbs (1.47 kg) |
| Frame | H |
| Amps | 125 |
| Interrupting Rating | 25 kA |
| Protection Type | Fixed Thermal/ Fixed Magnetic |
| Current Range | 20 A |
| Rated Insulation Voltage | 1000 V |
| Rated Impulse Withstand Voltage | 8 kV |
| Mechanical Life | 240 Operations/hr. |
| Electrical Life | 120 Operations/ hr. |
The 140G-H2C3-C20 circuit breaker is an Eaton Cutler-Hammer molded case circuit breaker featuring an H frame. The 140G-H2C3-C20 circuit breaker is classified under the 140G series and it features an interrupting rating 25 kA. The Eaton Cutler-Hammer circuit breaker comes with an easy installation process. The unit features a shipping weight of 2.65 pounds and small shipping dimensions that allow for space-saving benefits. The 140G-H2C3-C20 circuit breaker supports optional enclosures. The unit comes with a mechanical lifespan of 240 operations per hour while the rated electrical lifespan is 120 operations per hour. The 140G-H2C3-C20 circuit breaker also comes with a rated impulse withstand voltage of 8 kV, and the rated insulation voltage is at 1000 Volts. The Eaton Cutler-Hammer molded case circuit breaker features a current range of 20 Amps. The unit comes with a current rating of 125 amperes.
The Eaton Cutler-Hammer molded case circuit breakers are designed to function without suffering any damage. However, the users should ensure that the unit is properly applied within the recommended environmental ratings. The 140G-H2C3-C20 circuit breaker supports the non-automatic operation approach that is designed to open and close the circuit to provide protection against overcurrent or short circuits. The Eaton Cutler-Hammer circuit breakers feature the reverse loop design that uses the magnetic forces that are created by the current that is flowing in the opposite direction and that let the contacts open when there is a short-circuit. The 140G-H2C3-C20 circuit breaker features thermal protection that is used for guarding the control panel. The thermal protection is achieved through the bimetallic heater elements.
| Revision Part # | Also known as | |
|---|---|---|
| 140G-H2C3-C20 Ser A | 140G-H2C3-C20/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
The Allen-Bradley 140G-H2C3-C20 Molded Case Circuit Breaker has a H Frame and 125 Amps. It also has a 25 kA Interrupting Rating and 3 Poles.