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Allen Bradley 140G MCB 140G-J3I3-C40

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140G-J3I3-C40

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The 140G-J3I3-C40 is a molded case circuit breaker manufactured by Allen-Bradley. Operating at a maximum of 250 Amps, this unit provides essential electrical protection with a 35 kA interrupting rating. The electronic LSIG protection enhances operational safety across 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-J3I3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3I3-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 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-J3I3-C40 circuit breaker serves as a vital component in electrical control systems. This molded case circuit breaker is characterized by a 250 Amp maximum operational capacity and a significant interrupting rating of 35 kA, which assures protection during overload conditions.

As an electronic LSIG model, it integrates advanced protection features to safeguard equipment from overcurrent scenarios. The current range for this device is 40 Amps, making it suitable for various applications requiring precise and reliable current management.

The unit supports a rated insulation voltage of 1000 volts, enhancing its versatility across high-voltage environments. Additionally, it can endure impulse voltages of up to 8 kV, allowing it to maintain operational integrity against electrical disturbances.

With an overall weight of 5.51 pounds, the design promotes ease of installation and efficiency in space-constrained setups. The cyclomatic specifications indicate a mechanical life of 240 operations per hour and an electrical life expectancy of 120 operations per hour, ensuring that the 140G-J3I3-C40 is well-equipped for continuous use in demanding operational settings.

Revision Part #Also known as
140G-J3I3-C40 Ser A140G-J3I3-C40/A, Series A, Rev A
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