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Allen Bradley 140G MCB 140G-J6I4-C40

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140G-J6I4-C40

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The 140G-J6I4-C40 is a reliable molded case circuit breaker from Allen-Bradley, capable of handling a maximum of 250 Amps. This device features an interrupting rating of 65 kA and is equipped with advanced electronic LSIG protection for effective fault management.

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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-J6I4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6I4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 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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Engineered for performance, the Allen-Bradley 140G-J6I4-C40 molded case circuit breaker provides effective circuit protection. This model operates within a J frame and supports a current handling capacity of 250 Amps. It boasts an interrupting rating of 65 kA, indicating its capability to manage substantial fault currents efficiently.

This circuit breaker is made with electronic LSIG protection, which enhances its ability to detect and respond to fault conditions promptly. Designed with four poles, it supports a current range of 40 Amps, making it suitable for various applications.

The 140G-J6I4-C40 is rated for an insulation voltage of 1000 volts, ensuring it can operate in high-voltage settings. Additionally, it withstands impulse voltages of up to 8 kV, highlighting its robustness against transient surges. Weighing approximately 7.72 pounds, it strikes a balance between performance and handling ease.

For operational longevity, this unit has a mechanical endurance rated at 240 operations per hour, while its electrical functionality is rated for 120 operations per hour. This combination of features makes the 140G-J6I4-C40 a dependable choice for maintaining electrical safety in industrial environments.

Revision Part #Also known as
140G-J6I4-C40 Ser A140G-J6I4-C40/A, Series A, Rev A
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