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The 140G-H2C3-C30 circuit breaker is a thermal/magnetic circuit breaker with a molded case. It has been designed and manufactured by Allen-Bradley/Rockwell Automation in the Bulletin 140G series as a fixed thermal and fixed magnetic type of circuit breaker. The 140G-H2C3-C30 thermal/magnetic circuit breaker is designed to trip at a thermal rating of 30 Amps and at a magnetic rating of 400 Amps. It can be used as the main circuit protector or as a branch circuit protector for a control panel. The 140G-H2C3-C30 thermal/magnetic circuit breaker can be mounted in any required position and it supports DIN Rail mounting and mounting inside a protective cabinet.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | 140G MCB |
| Part Number | 140G-H2C3-C30 |
| Weight | 3.00 lbs (1.36 kg) |
| Frame | H |
| Amps | 125 |
| Interrupting Rating | 25 kA |
| Protection Type | Fixed Thermal/ Fixed Magnetic |
| Current Range | 30 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-C30 circuit breaker is a molded case circuit breaker manufactured by Eaton Cutler-Hammer. The molded case circuit breaker is classified under the 140G series of circuit breakers and comes with up to 3 poles. The unit features an H frame size and it has a rated current of 30 Amps. The Eaton Cutler-Hammer molded case circuit breakers feature the thermal protection options with an alternative for fixed magnetic protection. The 140G-H2C3-C30 circuit breaker features a current range of 30 Amps. The rated insulation voltage is 1000 Volts. While installing or servicing the 140G-H2C3-C30 circuit breaker, ensure that the power supply is properly disconnected from the unit. If servicing or installation is done with the power supply connected, there is a risk of electric shock. In addition, during installation and throughout the life of the unit, ensure that a proper enclosure is used.
The enclosure also provides the 140G-H2C3-C30 circuit breaker with adequate protection from any environmental contaminants. When installing the 140G-H2C3-C30 circuit breaker, use the insulated busbars for performing specific type tests on the unit. Before the adjustments of the magnetic settings, trip the breaker manually. The 140G-H2C3-C30 circuit breaker comes with diagnostics LEDs, and it supports the “last trip” indicator. These features enable an easy troubleshooting experience, and they help to achieve optimal functionality. The 140G-H2C3-C30 circuit breaker should be used within all the recommended environmental conditions. The Eaton molded case circuit breakers feature thermal overcurrent protection and they also provide short circuit protection. These features help the users to adjust the thermal trip rating and to shape the trip curve.
| Revision Part # | Also known as | |
|---|---|---|
| 140G-H2C3-C30 Ser A | 140G-H2C3-C30/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
The Allen-Bradley 140G-H2C3-C30 Molded Case Circuit Breaker has a H Frame and 125 Amps. It also has a 25 kA Interrupting Rating and 3 Poles.