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The 140G-R12I4-E25-Z1 by Allen-Bradley is a robust molded case circuit breaker with a large capacity. Designed for high current applications, it has a rating of 2500 to 3000 Amps and features electronic LSIG protection.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | 140G MCB |
| Part Number | 140G-R12I4-E25-Z1 |
| Weight | 32.00 lbs (14.51 kg) |
| Frame | R |
| Amps | 2500-3000 |
| Interrupting Rating | 125 kA |
| Protection Type | Electronic LSIG |
| Poles | 4 |
| Current Range | 2500 A |
| Rated Insulation Voltage | 1000 V |
| Rated Impulse Withstand Voltage | 12 kV |
| Mechanical Life | 60 Operations/hr. |
| Electrical Life | 60 Operations/hr. |
The Allen-Bradley 140G-R12I4-E25-Z1 is engineered as a heavy-duty molded case circuit breaker suitable for demanding industrial environments. Its design accommodates substantial current loads, with an operational range extending from 2500 Amps to 3000 Amps. This circuit breaker features a frame size defined as R, providing a stable and robust setup for electrical distribution requirements.
The interrupting capacity of the 140G-R12I4-E25-Z1 reaches 125 kA, effectively safeguarding electrical systems from potentially damaging fault currents. Additionally, it incorporates electronic LSIG protection, which allows for accurate monitoring and response to load conditions, enhancing the safety and reliability of the setup. The configuration consists of four poles, supporting multi-phase installations effectively.
With a rated insulation voltage of 1000 volts, the unit is designed to handle high-voltage environments, while the rated impulse withstand voltage reaches 12 kV, providing an extra layer of defense against transient voltage spikes. Weighing around 175 pounds, this circuit breaker is built to endure rigorous mechanical use, featuring a mechanical life estimated at 60 operations per hour. The electrical life is similarly rated at 60 operations per hour, ensuring dependable performance within various operational contexts.
| Revision Part # | Also known as | |
|---|---|---|
| 140G-R12I4-E25-Z1 Ser A | 140G-R12I4-E25-Z1/A, Series A, Rev A | |
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