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Allen Bradley 140G MCB 140G-J2I4-D15

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140G-J2I4-D15

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The 140G-J2I4-D15 is a molded case circuit breaker manufactured by Allen-Bradley, part of Rockwell Automation. This breaker model features a 250-amp maximum current capacity and a 25 kA interrupting rating. It is designed for reliable protection in various applications.

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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-J2I4-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2I4-D15
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSIG
Poles4
Current Range150 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2I4-D15 is a molded-case circuit breaker under the Allen-Bradley brand from Rockwell Automation. Built for heavy-duty applications, this device operates at a rated voltage of 150 amps and a maximum voltage of 250 amps. It provides an interrupting capacity of 25 kA, ensuring effective fault current management. Its protection mechanism utilizes electronic LSIG technology, which enhances the safety features against overloads and short circuits.

This model is configured with four poles, making it suitable for three-phase and neutral applications. It accommodates rated insulation voltages of up to 1000 volts for compatibility with higher voltage systems.

Additionally, the 140G-J2I4-D15 can handle impulse withstand voltages of 8 kV for transient protection. At 7.72 pounds, this circuit breaker is designed for ease of installation and use.

Its mechanical life is rated at 240 mechanical operations per hour, which indicates its durability and reliability in regular usage scenarios. Furthermore, its electrical life is rated at 120 operations per hour, ensuring sustained performance in electrical applications over time.

Revision Part #Also known as
140G-J2I4-D15 Ser A140G-J2I4-D15/A, Series A, Rev A
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