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Allen Bradley 140G MCB 140G-R12I3-E25

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140G-R12I3-E25

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The 140G-R12I3-E25 is a high-capacity molded case circuit breaker from Allen-Bradley. It is designed to handle loads ranging from 2500 to 3000 Amps and has an impressive interrupting capacity of 125 kA. The protective features include electronic LSIG control to ensure operational safety.

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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-R12I3-E25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-R12I3-E25
Weight32.00 lbs (14.51 kg)
FrameR
Amps2500-3000
Interrupting Rating125 kA
Protection TypeElectronic LSIG
Current Range2500 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage12 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-R12I3-E25 circuit breaker is engineered for robust performance in demanding electrical environments. This molded case circuit breaker features a frame size labeled R, tailoring it for applications needing higher current handling capabilities. It is rated for a current range of 2500 to 3000 Amps, allowing for adaptability across various systems requiring significant load management.

An interrupting rating of 125 kA positions this breaker as a reliable option for protecting against severe electrical faults. To enhance safety, the device incorporates electronic LSIG protection, effectively managing overloads, short circuits, and ground faults.

Rated insulation voltage stands at 1000 volts, confirming its suitability for high-power applications. Additionally, it exhibits a rated impulse withstand voltage of 12 kV, contributing further reliability during voltage spikes.

Weighing 175 pounds, the 140G-R12I3-E25's design ensures durability while maintaining ease of integration into existing systems. The circuit breaker features a mechanical life of 60 operations per hour, which aligns with its electrical life expectancy. This combination of features makes the 140G-R12I3-E25 a critical component in comprehensive electrical protection solutions.

Revision Part #Also known as
140G-R12I3-E25 Ser A140G-R12I3-E25/A, Series A, Rev A
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