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Allen Bradley 140G MCB 140G-R12I4-E25

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140G-R12I4-E25

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Model 140G-R12I4-E25 is a high-capacity molded case circuit breaker from Allen-Bradley. This device is designed for substantial loads, accommodating currents of 2500 to 3000 amps. It features an interrupting rating of 125 kA that ensures effective circuit protection under fault conditions.

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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-R12I4-E25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-R12I4-E25
Weight32.00 lbs (14.51 kg)
FrameR
Amps2500-3000
Interrupting Rating125 kA
Protection TypeElectronic LSIG
Poles4
Current Range2500 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage12 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-R12I4-E25 molded case circuit breaker is engineered for high-performance applications. It supports a large current capacity ranging from 2500 to 3000 amps. This breaker provides reliable protection through its electronic LSIG mechanism, designed to identify overloads and short circuits.

With an interrupting capacity of 125 kA, the 140G-R12I4-E25 offers robust performance in fault situations, ensuring that the circuit is promptly disconnected to prevent damage. Rated for a voltage insulation level of 1000 volts, it is suitable for demanding electrical environments. Additionally, it can endure impulse withstand voltages of up to 12 kV, making it resilient against transient surges.

The unit's construction features a four-pole configuration, allowing it to be effectively used in three-phase electrical systems. Weighing in at 175 pounds, the breaker is designed for durability and stable mounting. It promises a mechanical and electrical life of 60 operations per hour, delivering consistent performance across various industrial applications. The 140G-R12I4-E25 is a prime choice for industries requiring dependable, high-capacity circuit protection.

Revision Part #Also known as
140G-R12I4-E25 Ser A140G-R12I4-E25/A, Series A, Rev A
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