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Allen Bradley 140G MCB 140G-J3I4-C40

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140G-J3I4-C40

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The 140G-J3I4-C40 is an advanced molded case circuit breaker by Allen-Bradley, part of the ControlLogix series. Featuring four poles, it is rated for a maximum current of 250 Amps and an interrupting capacity of 35 kA. The breaker uses electronic LSIG protection.

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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-J3I4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3I4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSIG
Poles4
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Allen-Bradley's 140G-J3I4-C40 is a molded case circuit breaker that provides crucial electrical protection. This unit operates in environments requiring dependable performance. It features a frame type categorized as J and can handle a maximum current of 250 Amps. With an interrupting capacity of 35 kA, this device is engineered to effectively manage electrical faults.

Incorporating electronic LSIG protection, the 140G-J3I4-C40 offers advanced circuit management. It operates with a current range of 40 A, making it adaptable for various applications. The rated insulation voltage of this breaker is 1000 volts, indicating its suitability for high-voltage scenarios. It also has a rated impulse withstand voltage of 8 kV, enhancing its durability in unexpected surges.

The device weighs 7.72 pounds, allowing for straightforward installation in different setups. It demonstrates a mechanical life expectancy rated at 240 operations per hour, ensuring reliability over time. Additionally, the electrical life is rated for 120 operations per hour, providing a solid option for environments requiring consistent and prolonged operation. Overall, the 140G-J3I4-C40 stands as a critical component for ensuring the safety and stability of electrical systems.

Revision Part #Also known as
140G-J3I4-C40 Ser A140G-J3I4-C40/A, Series A, Rev A
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