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Allen Bradley 140G MCB 140G-J0I3-C40

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140G-J0I3-C40

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The 140G-J0I3-C40 is a molded case circuit breaker from Allen-Bradley that is engineered for operational efficiency. This device handles a maximum current rating of 250 Amps and features a high interrupting capacity of 100 kA, making it suitable for demanding electrical 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-J0I3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0I3-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeElectronic LSIG
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J0I3-C40 is a molded case circuit breaker designed to deliver reliable performance in a variety of electrical systems. Rated for a maximum of 250 amps, this unit is part of the 140G series and is built to meet rigorous industrial demands. Its maximum interrupting rating is 100 kA, allowing it to effectively mitigate many kinds of fault conditions.

This circuit breaker model features a J frame construction, which enhances its operational capabilities. It integrates electronic LSIG protection technology that provides precise control in long-time, short-time, instantaneous, and ground fault conditions. This circuit breaker also supports a rated current of up to 40 A to ensure adaptable performance across multiple applications.

The unit is rated for insulation voltages up to 1000 volts, ensuring safe operation in high-voltage environments. Additionally, it can handle impulse withstand voltages of 8 kV, making it resilient against transient surges. Weighing 5.51 pounds, the 140G-J0I3-C40 is designed for installation in compact systems without sacrificing robustness.

In terms of lifecycle, this circuit breaker has a mechanical life rating of 240 operations per hour, which indicates that it can reliably perform in high-utilization applications. Additionally, the breaker's electrical life is rated at 120 operations per hour, and it is designed to be durable and reliable in scenarios of continuous use.

Revision Part #Also known as
140G-J0I3-C40 Ser A140G-J0I3-C40/A, Series A, Rev A
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